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* Maybe not catch all errors to avoid things in the nature-of CancelledError
See https://github.com/matrix-org/synapse/pull/13815#discussion_r983384698
* Remove general exception tracking
* Add changelog
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(#13960)
Spawning from looking into `get_users_in_room` while investigating https://github.com/matrix-org/synapse/issues/13942#issuecomment-1262787050.
See https://github.com/matrix-org/synapse/pull/13575#discussion_r953023755 for the original exploration around finding `get_users_in_room` mis-uses.
Related to the following PRs where we also cleaned up some `get_users_in_room` mis-uses:
- https://github.com/matrix-org/synapse/pull/13605
- https://github.com/matrix-org/synapse/pull/13608
- https://github.com/matrix-org/synapse/pull/13606
- https://github.com/matrix-org/synapse/pull/13958
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Spawned while working on [`get_users_in_room` mis-uses](https://github.com/matrix-org/synapse/pull/13958#discussion_r984074897) and thinking we could use `get_local_users_in_room` here but we can't.
From first glance, it seemed like this was only using local users from all of the `is_mine_id(user_id)` checks but I see that it does actually use remote users. Just making things a little more clear here what it does and mentions remote users so maybe that will be more obvious in the future.
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Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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This reverts commit 6d543d6d9f56e39199b7e460d0081b02d61f12be.
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* Update mypy and mypy-zope
* Unignore assigning to LogRecord attributes
Presumably https://github.com/python/typeshed/pull/8064 makes this ok
Cherry-picked from #13521
* Remove unused ignores due to mypy ParamSpec fixes
https://github.com/python/mypy/pull/12668
Cherry-picked from #13521
* Remove additional unused ignores
* Fix new mypy complaints related to `assertGreater`
Presumably due to https://github.com/python/typeshed/pull/8077
* Changelog
* Reword changelog
Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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We move the expensive check of visibility to after calculating push actions, avoiding the expensive check for users who won't get pushed anyway.
I think this should have a big impact on rooms with large numbers of local users that have pushed disabled.
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Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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Fixes #13942. Introduced in #13575.
Basically, let's only get the ordered set of hosts out of the DB if we need an ordered set of hosts. Since we split the function up the caching won't be as good, but I think it will still be fine as e.g. multiple backfill requests for the same room will hit the cache.
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* Reproduce bug
* Compute `least_function` first
* Substitute `least_function` with an f-string
* Bugfix: avoid overflow
Co-authored-by: Eric Eastwood <erice@element.io>
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used (using MSC3866) (#13556)
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By renaming it and updating the docstring.
Additionally, refactors a method which is used only by tests.
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Co-authored-by: Eric Eastwood <erice@element.io>
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There is no need to grab thousands of backfill points when we only need 5 to make the `/backfill` request with. We need to grab a few extra in case the first few aren't visible in the history.
Previously, we grabbed thousands of backfill points from the database, then sorted and filtered them in the app. Fetching the 4.6k backfill points for `#matrix:matrix.org` from the database takes ~50ms - ~570ms so it's not like this saves a lot of time 🤷. But it might save us more time now that `get_backfill_points_in_room`/`get_insertion_event_backward_extremities_in_room` are more complicated after https://github.com/matrix-org/synapse/pull/13635
This PR moves the filtering and limiting to the SQL query so we just have less data to work with in the first place.
Part of https://github.com/matrix-org/synapse/issues/13356
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(#13933)" (#13935)
This reverts commit 7766bd5b354cd4ea1a33351ba320e54a14d3aeac (#13933).
The unused column is actually used, but much further down in the function.
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c.f. #12993 (comment), point 3
This stores all device list updates that we receive while partial joins are ongoing, and processes them once we have the full state.
Note: We don't actually process the device lists in the same ways as if we weren't partially joined. Instead of updating the device list remote cache, we simply notify local users that a change in the remote user's devices has happened. I think this is safe as if the local user requests the keys for the remote user and we don't have them we'll simply fetch them as normal.
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This PR begins work on batching up events during the creation of a room. The PR splits out the creation and sending/persisting of the events. The first three events in the creation of the room-creating the room, joining the creator to the room, and the power levels event are sent sequentially, while the subsequent events are created and collected to be sent at the end of the function. This is currently done by appending them to a list and then iterating over the list to send, the next step (after this PR) would be to send and persist the collected events as a batch.
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Fix https://github.com/matrix-org/synapse/issues/13856
Fix https://github.com/matrix-org/synapse/issues/13865
> Discovered while trying to make Synapse fast enough for [this MSC2716 test for importing many batches](https://github.com/matrix-org/complement/pull/214#discussion_r741678240). As an example, disabling the `have_seen_event` cache saves 10 seconds for each `/messages` request in that MSC2716 Complement test because we're not making as many federation requests for `/state` (speeding up `have_seen_event` itself is related to https://github.com/matrix-org/synapse/issues/13625)
>
> But this will also make `/messages` faster in general so we can include it in the [faster `/messages` milestone](https://github.com/matrix-org/synapse/milestone/11).
>
> *-- https://github.com/matrix-org/synapse/issues/13856*
### The problem
`_invalidate_caches_for_event` doesn't run in monolith mode which means we never even tried to clear the `have_seen_event` and other caches. And even in worker mode, it only runs on the workers, not the master (AFAICT).
Additionally there was bug with the key being wrong so `_invalidate_caches_for_event` never invalidates the `have_seen_event` cache even when it does run.
Because we were using the `@cachedList` wrong, it was putting items in the cache under keys like `((room_id, event_id),)` with a `set` in a `set` (ex. `(('!TnCIJPKzdQdUlIyXdQ:test', '$Iu0eqEBN7qcyF1S9B3oNB3I91v2o5YOgRNPwi_78s-k'),)`) and we we're trying to invalidate with just `(room_id, event_id)` which did nothing.
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Since MSC3715 has passed FCP, the stable parameter can be used.
This currently falls back to the unstable parameter if the stable
parameter is not provided (and MSC3715 support is enabled in
the configuration).
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Otherwise device list changes for large accounts can temporarily delay to-device messages.
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Since #11482, we're saving sessions IDs from upstream IdPs, but we've been losing them when the user goes through a user mapping session on account registration.
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(#13885)
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During a `lazy_load_members` `/sync`, we look through auth events in
rooms with partial state to find prior membership events. When such a
membership is not found, an error is logged.
Since the first join event for a user never has a prior membership event
to cite, the error would always be logged when one appeared in the room
timeline.
Avoid logging errors for such events.
Introduced in #13477.
Signed-off-by: Sean Quah <seanq@matrix.org>
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This should mean that logs from worker processes are flushed before shutdown.
When a test completes, Complement stops the docker container, which means that
synapse will receive a SIGTERM. Currently, the `complement_fork_starter` exits
immediately (without notifying the worker processes), which means that the
workers never get a chance to flush their logs before the whole container is
vaped. We can fix this by propagating the SIGTERM to the children.
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* Adds a docstring.
* Reduces a small amount of duplicated code.
* Improves tests.
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Including another batch of fixes to the schema dump script
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This is also using the partial state approximation if needed so we do
not block here during a fast join.
Signed-off-by: Mathieu Velten <mathieuv@matrix.org>
Co-authored-by: Sean Quah <8349537+squahtx@users.noreply.github.com>
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This moves all the invalidations into a single place and de-duplicates
the code involved in invalidating caches for a given event by using
the base class method.
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* Lockfile: update canonicaljson 1.6.0 -> 1.6.3
* Fix mypy errors with latest canonicaljson
The change to `_encode_json_bytes` definition wasn't sufficient:
```
synapse/http/server.py:751: error: Incompatible types in assignment (expression has type "Callable[[Arg(object, 'json_object')], bytes]", variable has type "Callable[[Arg(object, 'data')], bytes]") [assignment]
```
Which I think is mypy warning us that the two functions accept different
sets of kwargs. Fair enough!
* Changelog
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Only try to backfill event if we haven't tried before recently (exponential backoff). No need to keep trying the same backfill point that fails over and over.
Fix https://github.com/matrix-org/synapse/issues/13622
Fix https://github.com/matrix-org/synapse/issues/8451
Follow-up to https://github.com/matrix-org/synapse/pull/13589
Part of https://github.com/matrix-org/synapse/issues/13356
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Part of the work for #12993.
Once #12993 is fully resolved, we expect `/keys/changes` to behave
sensibly when joined to a room with partial state.
Signed-off-by: Sean Quah <seanq@matrix.org>
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This can happen specifically with an application service `/transactions/10722?access_token=leaked` request
Fix https://github.com/matrix-org/synapse/issues/13010
---
Saw an example leak in https://github.com/matrix-org/synapse/issues/13423#issuecomment-1205348482
```
2022-08-04 14:47:57,925 - synapse.http.client - 401 - DEBUG - as-sender-signal-1 - Sending request PUT http://localhost:29328/transactions/10722?access_token=<redacted>
2022-08-04 14:47:57,926 - synapse.http.proxyagent - 223 - DEBUG - as-sender-signal-1 - Requesting b'http://localhost:29328/transactions/10722?access_token=leaked' via <HostnameEndpoint localhost:29328>
```
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Updates the `/receipts` endpoint and receipt EDU handler to parse a
`thread_id` from the body and insert it in the database.
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Use the provided list of servers in the room from the `/send_join`
response, since we will not know which users are in the room. This
isn't sufficient to ensure that all remote servers receive the right
device list updates, since the `/send_join` response may be inaccurate
or we may calculate the membership state of new users in the room
incorrectly.
Signed-off-by: Sean Quah <seanq@matrix.org>
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authorise them if they query a room which has partial state on our server. (#13823)
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This fixes a bug where the `/relations` API with `dir=f` would
skip the first item of each page (except the first page), causing
incomplete data to be returned to the client.
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* Validation for `/add_threepid/msisdn/submit_token`
* Don't validate deprecated endpoint
* Changelog
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Second half of the MSC3881 implementation
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Partial implementation of MSC3881
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Signed-off-by: Mathieu Velten <mathieuv@matrix.org>
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(#13836)
Co-authored-by: David Robertson <davidr@element.io>
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deprecated in Synapse 1.13.0. (#13843)
Signed-off-by: Quentin Gliech <quenting@element.io>
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* Generate separate snapshots for sqlite, postgres and common
* Cleanup postgres dbs in the TRAP
* Say which logical DB we're applying updates to
* Run background updates on the state DB
* Add new option for accepting a SCHEMA_NUMBER
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(#13825)
`event_failed_pull_attempts` added in https://github.com/matrix-org/synapse/pull/13589
MSC2716 related tables added in:
- https://github.com/matrix-org/synapse/pull/10245/files#diff-3d42dfb44d02f7de3aada105e0bdc1cc9dd7f953cbf0f36c5d0f50827bf0320aR1
- Renamed in https://github.com/matrix-org/synapse/pull/10838/files#diff-2730bfbe9e688b55e46f9371aefe67dac2bd2b2b7d9d6b92774eea1fcfae156dR1
- https://github.com/matrix-org/synapse/pull/10498/files#diff-c52bbfbb5921a3f6f023b24343668479d966fac164f13b7c39d2197ce3afa7a5R1
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The error message introduced in #13749 has turned out to be very spammy.
Remove it for now.
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provider. (#13810)
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Signed-off-by: Sean Quah <seanq@matrix.org>
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(pull request ID from header) (#13801)
Fix https://github.com/matrix-org/synapse/issues/13685
New config:
```diff
listeners:
- port: 8008
tls: false
type: http
x_forwarded: true
+ request_id_header: "cf-ray"
bind_addresses: ['::1', '127.0.0.1', '0.0.0.0']
```
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Part of https://github.com/matrix-org/synapse/issues/13700 and https://github.com/matrix-org/synapse/issues/13356
Follow-up to https://github.com/matrix-org/synapse/pull/13589
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This is useful to upsert against a table which has a unique
partial index while avoiding conflicts.
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We can follow-up this PR with:
1. Only try to backfill from an event if we haven't tried recently -> https://github.com/matrix-org/synapse/issues/13622
1. When we decide to backfill that event again, process it in the background so it doesn't block and make `/messages` slow when we know it will probably fail again -> https://github.com/matrix-org/synapse/issues/13623
1. Generally track failures everywhere we try and fail to pull an event over federation -> https://github.com/matrix-org/synapse/issues/13700
Fix https://github.com/matrix-org/synapse/issues/13621
Part of https://github.com/matrix-org/synapse/issues/13356
Mentioned in [internal doc](https://docs.google.com/document/d/1lvUoVfYUiy6UaHB6Rb4HicjaJAU40-APue9Q4vzuW3c/edit#bookmark=id.qv7cj51sv9i5)
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Adds a `thread_id` column to the `event_push_actions`, `event_push_actions_staging`,
and `event_push_summary` tables. This will notifications to be segmented by the thread
in a future pull request. The `thread_id` column stores the root event ID or the special
value `"main"`.
The `thread_id` column for `event_push_actions` and `event_push_summary` is
backfilled with `"main"` for all existing rows. New entries into `event_push_actions`
and `event_push_actions_staging` will get the proper thread ID.
`receipts_linearized` and `receipts_graph` also gain a `thread_id` column, which is similar,
except `NULL` is a special value meaning the receipt is "unthreaded".
See MSC3771 and MSC3773 for where this data will be useful.
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Partial indices have been supported since SQLite 3.8, but Synapse
now requires >= 3.27, so we can enable support for them.
This requires rebuilding previous indices which were partial on
PostgreSQL, but not on SQLite.
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Clean-up from b19060a29b4f73897847db2aba5d03ec819086e0 (#13094)
and 73af10f419346a5f2d70131ac1ed8e69942edca0 (#13093) which removed
all callers.
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* Remove incorrect migration file from `state` logical DB
The table `ex_outlier_stream` is part of the `main` logical DB; it
should not have been created in the `state` logical DB. We remove this
migration now as a tidy-up.
Note: we cannot `DROP TABLE IF EXISTS ex_outlier_stream` in a new
migration, because some (most) instances of Synapse host both of these
logical DBs on the same DB cluster.
* Changelog
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When a remote user leaves the last room shared with the homeserver, we
have to mark their device list as unsubscribed, otherwise we would hold
on to a stale device list in our cache. Crucially, the device list would
remain cached even after the remote user rejoined the room, which could
lead to E2EE failures until the next change to the remote user's device
list.
Fixes #13651.
Signed-off-by: Sean Quah <seanq@matrix.org>
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trailing slash on the end of `/get_missing_events` federation requests. (#13789)
* Don't accept a trailing slash on the end of /get_missing_events
* Newsfile
Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>
Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>
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Signed-off-by: Mathieu Velten <mathieuv@matrix.org>
Co-authored-by: Sean Quah <8349537+squahtx@users.noreply.github.com>
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* Remove checks for membership column in current_state_events
* Add schema script to force through the
`current_state_events_membership` background job
Contributed by Nick @ Beeper (@fizzadar).
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This protects against the common mistake of failing to remember to rebuild Rust code after making changes.
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Most of the time this function is heavily cached, but when that isn't
the case fetching the counts room by room slows down push delivery on
users with many (thousands) of rooms.
Signed off by Nick @ Beeper.
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We tag the Synapse instance name so that it's an easy jumping off point into the logs. Can also be used to filter for an instance that is under load.
As suggested by @clokep and @reivilibre in,
- https://github.com/matrix-org/synapse/pull/13729#discussion_r964719258
- https://github.com/matrix-org/synapse/pull/13729#discussion_r964733578
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are spread over (#13729)
The problem with many services is that it makes it hard to find which service has the trace you want, see https://github.com/jaegertracing/jaeger-ui/issues/985
Previously, we split traces out into services based on their instance name like `matrix.org client_reader-1`, etc but there are many worker instances of the same `client_reader` so there is a lot to click through.
With this PR, all of the traces are just collected under the worker type like `client_reader`, `event_persister` 😇
Note: A Synapse worker instance name is an opaque string with the number convention only being our own thing for the `matrix.org` deployment. But seems pretty sensible to group things this way.
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Instead of a delete, then insert.
This was previously done for `receipts_linearized` in
2dc430d36ef793b38d6d79ec8db4ea60588df2ee (#7607).
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Signed-off-by: Sean Quah <seanq@matrix.org>
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Co-authored-by: reivilibre <olivier@librepush.net>
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Update the docstrings for `get_users_in_room` and
`get_current_hosts_in_room` to explain the impact of partial state.
Signed-off-by: Sean Quah <seanq@matrix.org>
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(#13748)
Handle malformed user IDs with no colons in `get_current_hosts_in_room`.
It's not currently possible for a malformed user ID to join a room, so
this error would never be hit.
Signed-off-by: Sean Quah <seanq@matrix.org>
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Previously, `is_mine_id` would raise an exception when passed an ID with
no colons. Return `False` instead.
Fixes #13040.
Signed-off-by: Sean Quah <seanq@matrix.org>
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module. (#13717)
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empty line. (#13738)
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When backfilling, `_get_state_ids_after_missing_prev_event` calls [`get_metadata_for_events`](https://github.com/matrix-org/synapse/blob/26bc26586b4b95d63ce7e453e9312469843f796e/synapse/handlers/federation_event.py#L1133). For `#matrix:matrix.org`, it's called with 77k `state_events` which means 77 calls to the database and takes 28 seconds.
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version numbers. (#13706)
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This adds two new admin APIs that allow us to fetch messages from a room within a particular time.
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This is a re-do of 57d334a13d983406ea452dfa203bbe4837509c4e (#13365),
which was backed out in 12abd724974a2311d5311272d26d2f8aa11734a9 (#13501).
The `room_id` field represented the parent space for each room
and was made redundant by changes in the API shape where the
`children_state` is now nested underneath each `room`.
The room ID of each child is in the `state_key` field and is still
available.
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Removes the ability to configure legacy direct TCP replication. Workers now require Redis to run.
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(#13671)
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Otherwise they'll be leaked due to the filtering code only respecting
the stable identifiers for private read receipts.
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This avoids doing work that will never be used (since the
resulting unread counts will never be sent in a /sync
response).
The negative of doing this is that unread counts will be
incorrect when the feature is initially enabled.
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Fixes #13613.
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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
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an `id_access_token` (#13241)
Fixes #13206
Signed-off-by: Jacek Kusnierz jacek.kusnierz@tum.de
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The method doesn't actually do any data fetching and the method that
does, `_get_joined_profile_from_event_id`, has its own cache.
Signed off by Nick @ Beeper (@Fizzadar).
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other than just servlet methods. (#13662)
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MSC3030 (#13658)
Discovered while working on https://github.com/matrix-org/synapse/pull/13589 and I had all the messages at the same timestamp in the tests.
Part of https://github.com/matrix-org/matrix-spec-proposals/pull/3030
Complement tests: https://github.com/matrix-org/complement/pull/457
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* Fix rate limit metrics registering twice and misreporting
Fix https://github.com/matrix-org/synapse/issues/13641
* Fix lints
* Add changelog
* Document `metrics_name=None`.
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We incorrectly didn't use the returned `Responder` if the client had
disconnected, which meant that the resource used by the Responder
wasn't correctly released.
In particular, this exhausted the thread pools so that *all* requests
timed out.
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Media downloaded as part of a URL preview is normally deleted after two days.
However, while a background database migration is running, the process is
stopped. A long-running database migration can therefore cause the media
store to fill up with old preview files.
This logic was added in #2697 to make sure that we didn't try to run the expiry
without an index on `local_media_repository.created_ts`; the original logic that
needs that index was added in #2478 (in `get_url_cache_media_before`, as
amended by 93247a424a5068b088567fa98b6990e47608b7cb), and is still present.
Given that the background update was added before Synapse v1.0.0, just drop
this check and assume the index exists.
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By using `execute_values` instead of `execute_batch`.
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Optimize how we calculate `likely_domains` during backfill because I've seen this take 17s in production just to `get_current_state` which is used to `get_domains_from_state` (see case [*2. Loading tons of events* in the `/messages` investigation issue](https://github.com/matrix-org/synapse/issues/13356)).
There are 3 ways we currently calculate hosts that are in the room:
1. `get_current_state` -> `get_domains_from_state`
- Used in `backfill` to calculate `likely_domains` and `/timestamp_to_event` because it was cargo-culted from `backfill`
- This one is being eliminated in favor of `get_current_hosts_in_room` in this PR 🕳
1. `get_current_hosts_in_room`
- Used for other federation things like sending read receipts and typing indicators
1. `get_hosts_in_room_at_events`
- Used when pushing out events over federation to other servers in the `_process_event_queue_loop`
Fix https://github.com/matrix-org/synapse/issues/13626
Part of https://github.com/matrix-org/synapse/issues/13356
Mentioned in [internal doc](https://docs.google.com/document/d/1lvUoVfYUiy6UaHB6Rb4HicjaJAU40-APue9Q4vzuW3c/edit#bookmark=id.2tvwz3yhcafh)
### Query performance
#### Before
The query from `get_current_state` sucks just because we have to get all 80k events. And we see almost the exact same performance locally trying to get all of these events (16s vs 17s):
```
synapse=# SELECT type, state_key, event_id FROM current_state_events WHERE room_id = '!OGEhHVWSdvArJzumhm:matrix.org';
Time: 16035.612 ms (00:16.036)
synapse=# SELECT type, state_key, event_id FROM current_state_events WHERE room_id = '!OGEhHVWSdvArJzumhm:matrix.org';
Time: 4243.237 ms (00:04.243)
```
But what about `get_current_hosts_in_room`: When there is 8M rows in the `current_state_events` table, the previous query in `get_current_hosts_in_room` took 13s from complete freshness (when the events were first added). But takes 930ms after a Postgres restart or 390ms if running back to back to back.
```sh
$ psql synapse
synapse=# \timing on
synapse=# SELECT COUNT(DISTINCT substring(state_key FROM '@[^:]*:(.*)$'))
FROM current_state_events
WHERE
type = 'm.room.member'
AND membership = 'join'
AND room_id = '!OGEhHVWSdvArJzumhm:matrix.org';
count
-------
4130
(1 row)
Time: 13181.598 ms (00:13.182)
synapse=# SELECT COUNT(*) from current_state_events where room_id = '!OGEhHVWSdvArJzumhm:matrix.org';
count
-------
80814
synapse=# SELECT COUNT(*) from current_state_events;
count
---------
8162847
synapse=# SELECT pg_size_pretty( pg_total_relation_size('current_state_events') );
pg_size_pretty
----------------
4702 MB
```
#### After
I'm not sure how long it takes from complete freshness as I only really get that opportunity once (maybe restarting computer but that's cumbersome) and it's not really relevant to normal operating times. Maybe you get closer to the fresh times the more access variability there is so that Postgres caches aren't as exact. Update: The longest I've seen this run for is 6.4s and 4.5s after a computer restart.
After a Postgres restart, it takes 330ms and running back to back takes 260ms.
```sh
$ psql synapse
synapse=# \timing on
Timing is on.
synapse=# SELECT
substring(c.state_key FROM '@[^:]*:(.*)$') as host
FROM current_state_events c
/* Get the depth of the event from the events table */
INNER JOIN events AS e USING (event_id)
WHERE
c.type = 'm.room.member'
AND c.membership = 'join'
AND c.room_id = '!OGEhHVWSdvArJzumhm:matrix.org'
GROUP BY host
ORDER BY min(e.depth) ASC;
Time: 333.800 ms
```
#### Going further
To improve things further we could add a `limit` parameter to `get_current_hosts_in_room`. Realistically, we don't need 4k domains to choose from because there is no way we're going to query that many before we a) probably get an answer or b) we give up.
Another thing we can do is optimize the query to use a index skip scan:
- https://wiki.postgresql.org/wiki/Loose_indexscan
- Index Skip Scan, https://commitfest.postgresql.org/37/1741/
- https://www.timescale.com/blog/how-we-made-distinct-queries-up-to-8000x-faster-on-postgresql/
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If things like the signing key file are missing, let's just try to generate
them on startup.
Again, this is useful for k8s-like deployments where we just want to generate
keys on the first run.
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Fixes #9927
Signed-off-by: Brad Murray brad@beeper.com
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A new `registration_shared_secret_path` option. This is kinda handy for k8s deployments and things.
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Fixes https://github.com/matrix-org/synapse/issues/3672:
`https://localhost:8448` is virtually never right.
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events (#13586)
Split off from https://github.com/matrix-org/synapse/pull/13561
Part of https://github.com/matrix-org/synapse/issues/13356
Mentioned in [internal doc](https://docs.google.com/document/d/1lvUoVfYUiy6UaHB6Rb4HicjaJAU40-APue9Q4vzuW3c/edit#bookmark=id.2tvwz3yhcafh)
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`get_current_hosts_in_room` (#13605)
See https://github.com/matrix-org/synapse/pull/13575#discussion_r953023755
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first (`get_users_in_room` mis-use) (#13608)
See https://github.com/matrix-org/synapse/pull/13575#discussion_r953023755
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and avoid errors caused by sorting alphabetical instance name which can be `null` (#13585)
When loading current ids, sort by stream ID so that we don't want to overwrite the `current_position` of an instance to a lower stream ID than we're actually at ([discussion](https://github.com/matrix-org/synapse/pull/13585#discussion_r951795379)). Previously, it sorted alphabetically by instance name which can be `null` and throw errors but more importantly, accomplishes nothing.
Fixes the following startup error which is why I started looking into this area:
```
$ poetry run synapse_homeserver --config-path homeserver.yaml
****************************************************************
Error during initialisation:
'<' not supported between instances of 'NoneType' and 'str'
There may be more information in the logs.
****************************************************************
```
Somehow my database ended up looking like the following, notice the `instance_name` is `null` in the db, and we can't sort `NoneType` things. Another question is why do we see the `instance_name` as `null` sometimes instead of `master` in monolith mode?
```
$ psql synapse
synapse=# SELECT * FROM stream_positions;
stream_name | instance_name | stream_id
-----------------+---------------+-----------
account_data | master | 1242
events | master | 1787
to_device | master | 58
presence_stream | master | 485638
receipts | master | 341
backfill | master | -139106
(6 rows)
synapse=# SELECT instance_name, stream_id FROM receipts_linearized;
instance_name | stream_id
---------------+-----------
| 211
| 3
| 4
| 212
| 213
| 224
| 228
| 164
| 313
| 253
| 38
| 321
| 324
| 189
| 192
| 193
| 194
| 195
| 197
| 198
| 275
| 79
| 339
| 340
| 82
| 341
| 84
| 85
| 91
| 119
```
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`join_authorised_via_users_server` of a `/make_join` request (#13606)
Use dedicated `get_local_users_in_room` to find local users when calculating `join_authorised_via_users_server` ("the authorising user for joining a restricted room") of a `/make_join` request.
Found while working on https://github.com/matrix-org/synapse/pull/13575#discussion_r953023755 but it's not related.
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metric names. (#13540)
Co-authored-by: David Robertson <davidr@element.io>
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question is a partial-stated room. (#13583)
Co-authored-by: Sean Quah <8349537+squahtx@users.noreply.github.com>
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concurrent calls (#13588)
Instrument `_check_sigs_and_hash_and_fetch` to trace time spent in child concurrent calls because I've see `_check_sigs_and_hash_and_fetch` take [10.41s to process 100 events](https://github.com/matrix-org/synapse/issues/13587)
Fix https://github.com/matrix-org/synapse/issues/13587
Part of https://github.com/matrix-org/synapse/issues/13356
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This speeds things up by ~2x.
The vast majority of the time is now spent in `LruCache` moving things around the linked lists.
We do this via two things:
1. Don't create a deferred per-key during bulk set operations in `DeferredCache`. Instead, only create them if a subsequent caller asks for the key.
2. Add a bulk lookup API to `DeferredCache` rather than use a loop.
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Broke in #13573.
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Synapse 1.66.0rc1 (2022-08-23)
==============================
This release removes the ability for homeservers to delegate email ownership
verification and password reset confirmation to identity servers. This removal
was originally planned for Synapse 1.64, but was later deferred until now.
See the [upgrade notes](https://matrix-org.github.io/synapse/v1.66/upgrade.html#upgrading-to-v1660) for more details.
Features
--------
- Improve validation of request bodies for the following client-server API endpoints: [`/account/password`](https://spec.matrix.org/v1.3/client-server-api/#post_matrixclientv3accountpassword), [`/account/password/email/requestToken`](https://spec.matrix.org/v1.3/client-server-api/#post_matrixclientv3accountpasswordemailrequesttoken), [`/account/deactivate`](https://spec.matrix.org/v1.3/client-server-api/#post_matrixclientv3accountdeactivate) and [`/account/3pid/email/requestToken`](https://spec.matrix.org/v1.3/client-server-api/#post_matrixclientv3account3pidemailrequesttoken). ([\#13188](https://github.com/matrix-org/synapse/issues/13188), [\#13563](https://github.com/matrix-org/synapse/issues/13563))
- Add forgotten status to [Room Details Admin API](https://matrix-org.github.io/synapse/latest/admin_api/rooms.html#room-details-api). ([\#13503](https://github.com/matrix-org/synapse/issues/13503))
- Add an experimental implementation for [MSC3852 (Expose user agents on `Device`)](https://github.com/matrix-org/matrix-spec-proposals/pull/3852). ([\#13549](https://github.com/matrix-org/synapse/issues/13549))
- Add `org.matrix.msc2716v4` experimental room version with updated content fields. Part of [MSC2716 (Importing history)](https://github.com/matrix-org/matrix-spec-proposals/pull/2716). ([\#13551](https://github.com/matrix-org/synapse/issues/13551))
- Add support for compression to federation responses. ([\#13537](https://github.com/matrix-org/synapse/issues/13537))
- Improve performance of sending messages in rooms with thousands of local users. ([\#13522](https://github.com/matrix-org/synapse/issues/13522), [\#13547](https://github.com/matrix-org/synapse/issues/13547))
Bugfixes
--------
- Faster room joins: make `/joined_members` block whilst the room is partial stated. ([\#13514](https://github.com/matrix-org/synapse/issues/13514))
- Fix a bug introduced in Synapse 1.21.0 where the [`/event_reports` Admin API](https://matrix-org.github.io/synapse/develop/admin_api/event_reports.html) could return a total count which was larger than the number of results you can actually query for. ([\#13525](https://github.com/matrix-org/synapse/issues/13525))
- Fix a bug introduced in Synapse 1.52.0 where sending server notices fails if `max_avatar_size` or `allowed_avatar_mimetypes` is set and not `system_mxid_avatar_url`. ([\#13566](https://github.com/matrix-org/synapse/issues/13566))
- Fix a bug where the `opentracing.force_tracing_for_users` config option would not apply to [`/sendToDevice`](https://spec.matrix.org/v1.3/client-server-api/#put_matrixclientv3sendtodeviceeventtypetxnid) and [`/keys/upload`](https://spec.matrix.org/v1.3/client-server-api/#post_matrixclientv3keysupload) requests. ([\#13574](https://github.com/matrix-org/synapse/issues/13574))
Improved Documentation
----------------------
- Add `openssl` example for generating registration HMAC digest. ([\#13472](https://github.com/matrix-org/synapse/issues/13472))
- Tidy up Synapse's README. ([\#13491](https://github.com/matrix-org/synapse/issues/13491))
- Document that event purging related to the `redaction_retention_period` config option is executed only every 5 minutes. ([\#13492](https://github.com/matrix-org/synapse/issues/13492))
- Add a warning to retention documentation regarding the possibility of database corruption. ([\#13497](https://github.com/matrix-org/synapse/issues/13497))
- Document that the `DOCKER_BUILDKIT=1` flag is needed to build the docker image. ([\#13515](https://github.com/matrix-org/synapse/issues/13515))
- Add missing links in `user_consent` section of configuration manual. ([\#13536](https://github.com/matrix-org/synapse/issues/13536))
- Fix the doc and some warnings that were referring to the nonexistent `custom_templates_directory` setting (instead of `custom_template_directory`). ([\#13538](https://github.com/matrix-org/synapse/issues/13538))
Deprecations and Removals
-------------------------
- Remove the ability for homeservers to delegate email ownership verification
and password reset confirmation to identity servers. See [upgrade notes](https://matrix-org.github.io/synapse/v1.66/upgrade.html#upgrading-to-v1660) for more details.
Internal Changes
----------------
- Update the rejected state of events during de-partial-stating. ([\#13459](https://github.com/matrix-org/synapse/issues/13459))
- Avoid blocking lazy-loading `/sync`s during partial joins due to remote memberships. Pull remote memberships from auth events instead of the room state. ([\#13477](https://github.com/matrix-org/synapse/issues/13477))
- Refuse to start when faster joins is enabled on a deployment with workers, since worker configurations are not currently supported. ([\#13531](https://github.com/matrix-org/synapse/issues/13531))
- Allow use of both `@trace` and `@tag_args` stacked on the same function. ([\#13453](https://github.com/matrix-org/synapse/issues/13453))
- Instrument the federation/backfill part of `/messages` for understandable traces in Jaeger. ([\#13489](https://github.com/matrix-org/synapse/issues/13489))
- Instrument `FederationStateIdsServlet` (`/state_ids`) for understandable traces in Jaeger. ([\#13499](https://github.com/matrix-org/synapse/issues/13499), [\#13554](https://github.com/matrix-org/synapse/issues/13554))
- Track HTTP response times over 10 seconds from `/messages` (`synapse_room_message_list_rest_servlet_response_time_seconds`). ([\#13533](https://github.com/matrix-org/synapse/issues/13533))
- Add metrics to track how the rate limiter is affecting requests (sleep/reject). ([\#13534](https://github.com/matrix-org/synapse/issues/13534), [\#13541](https://github.com/matrix-org/synapse/issues/13541))
- Add metrics to time how long it takes us to do backfill processing (`synapse_federation_backfill_processing_before_time_seconds`, `synapse_federation_backfill_processing_after_time_seconds`). ([\#13535](https://github.com/matrix-org/synapse/issues/13535), [\#13584](https://github.com/matrix-org/synapse/issues/13584))
- Add metrics to track rate limiter queue timing (`synapse_rate_limit_queue_wait_time_seconds`). ([\#13544](https://github.com/matrix-org/synapse/issues/13544))
- Update metrics to track `/messages` response time by room size. ([\#13545](https://github.com/matrix-org/synapse/issues/13545))
- Refactor methods in `synapse.api.auth.Auth` to use `Requester` objects everywhere instead of user IDs. ([\#13024](https://github.com/matrix-org/synapse/issues/13024))
- Clean-up tests for notifications. ([\#13471](https://github.com/matrix-org/synapse/issues/13471))
- Add some miscellaneous comments to document sync, especially around `compute_state_delta`. ([\#13474](https://github.com/matrix-org/synapse/issues/13474))
- Use literals in place of `HTTPStatus` constants in tests. ([\#13479](https://github.com/matrix-org/synapse/issues/13479), [\#13488](https://github.com/matrix-org/synapse/issues/13488))
- Add comments about how event push actions are rotated. ([\#13485](https://github.com/matrix-org/synapse/issues/13485))
- Modify HTML template content to better support mobile devices' screen sizes. ([\#13493](https://github.com/matrix-org/synapse/issues/13493))
- Add a linter script which will reject non-strict types in Pydantic models. ([\#13502](https://github.com/matrix-org/synapse/issues/13502))
- Reduce the number of tests using legacy TCP replication. ([\#13543](https://github.com/matrix-org/synapse/issues/13543))
- Allow specifying additional request fields when using the `HomeServerTestCase.login` helper method. ([\#13549](https://github.com/matrix-org/synapse/issues/13549))
- Make `HomeServerTestCase` load any configured homeserver modules automatically. ([\#13558](https://github.com/matrix-org/synapse/issues/13558))
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The profile objects are never used and increase cache size significantly.
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Indroduced in #11846.
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Fix:
- https://github.com/matrix-org/synapse/pull/13535#discussion_r949582508
- https://github.com/matrix-org/synapse/pull/13533#discussion_r949577244
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`Requester` instead of the `UserID` (#13024)
Part of #13019
This changes all the permission-related methods to rely on the Requester instead of the UserID. This is a first step towards enabling scoped access tokens at some point, since I expect the Requester to have scope-related informations in it.
It also changes methods which figure out the user/device/appservice out of the access token to return a Requester instead of something else. This avoids having store-related objects in the methods signatures.
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(#13574)
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(#13551)
Complement PR: https://github.com/matrix-org/complement/pull/450
As suggested in
https://github.com/matrix-org/matrix-spec-proposals/pull/2716#discussion_r941444525
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devices; also expose to Admin API (#13549)
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account or change their password. (#13563)
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Follow-up to https://github.com/matrix-org/synapse/pull/13533
Part of https://github.com/matrix-org/synapse/issues/13356
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Signed-off-by: Sean Quah <seanq@matrix.org>
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
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Track number of hosts affected by the rate limiter so we can differentiate one really noisy homeserver from a general ratelimit tuning problem across the federation.
Follow-up to https://github.com/matrix-org/synapse/pull/13534
Part of https://github.com/matrix-org/synapse/issues/13356
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Closes #13415.
Signed-off-by: Ayush Anand <iamayushanand@gmail.com>
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Use a state filter or accept partial state in a few places where we
request state, to avoid blocking.
To make lazy-loading `/sync`s work, we need to provide the memberships
of event senders, which are not guaranteed to be in the room state.
Instead we dig through auth events for memberships to present to
clients. The auth events of an event are guaranteed to contain a
passable membership event, otherwise the event would have been rejected.
Note that this only covers the common code paths encountered during
testing. There has been no exhaustive checking of all sync code paths.
Fixes #13146.
Signed-off-by: Sean Quah <seanq@matrix.org>
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(sleep/reject) (#13534)
Related to https://github.com/matrix-org/synapse/pull/13499
Part of https://github.com/matrix-org/synapse/issues/13356
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could be larger than the number of results you can actually query for. (#13525)
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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Broke by #13522
It looks like we have some rules in the DB with a priority class less
than 0 that don't override the base rules. Before these were just
dropped, but #13522 made that a hard error.
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Instrument the federation/backfill part of `/messages` so it's easier to follow what's going on in Jaeger when viewing a trace.
Split out from https://github.com/matrix-org/synapse/pull/13440
Follow-up from https://github.com/matrix-org/synapse/pull/13368
Part of https://github.com/matrix-org/synapse/issues/13356
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Synapse does not currently support faster room joins on deployments with
workers.
Signed-off-by: Sean Quah <seanq@matrix.org>
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stated. (#13514)
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This improves load times for push rules:
| Version | Time per user | Time for 1k users |
| -------------------- | ------------- | ----------------- |
| Before | 138 µs | 138ms |
| Now (with custom) | 2.11 µs | 2.11ms |
| Now (without custom) | 49.7 ns | 0.05 ms |
This therefore has a large impact on send times for rooms
with large numbers of local users in the room.
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`synapse.rest.client.account`. (#13188)
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Instrument FederationStateIdsServlet - `/state_ids` so it's easier to follow what's going on in Jaeger when viewing a trace.
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This reverts commit f383b9b3eceaa082d5ae690550fe41460b711779. Other PRs
were seeing mypy failures that looked to be related to mypy-zope.
Confusingly, we didn't see this on #13521.
Revert this for now and investigate later.
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* Clarifies comments.
* Fixes an erroneous comment (about return type) added in #13455
(ec24813220f9d54108924dc04aecd24555277b99).
* Clarifies the name of a variable.
* Simplifies logic of pulling out the latest join for the requesting user.
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time for clients to update. (#13501)
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Events can be un-rejected or newly-rejected during resync, so ensure we update
the database and caches when that happens.
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Add some miscellaneous comments to document sync, especially around
`compute_state_delta`.
Signed-off-by: Sean Quah <seanq@matrix.org>
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
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```py
@trace
@tag_args
async def get_oldest_event_ids_with_depth_in_room(...)
...
```
Before this PR, you would see a warning in the logs and the span was not exported:
```
2022-08-03 19:11:59,383 - synapse.logging.opentracing - 835 - ERROR - GET-0 - @trace may not have wrapped EventFederationWorkerStore.get_oldest_event_ids_with_depth_in_room correctly! The function is not async but returned a coroutine.
```
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In state res v2, we apply two passes of iterative auth checks. The first
pass replays power events and events in their auth chains, but only
those belonging to the full conflicted set. The source code as written
suggests that we want only those belonging to the auth difference (which
is a smaller set of events).
At runtime we were doing the correct thing anyway, because the only
callsite of `_reverse_topological_power_sort` passes in the
`full_conflicted_set`. So this really is just a rename.
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This adds support for the stable identifiers of MSC2285 while
continuing to support the unstable identifiers behind the configuration
flag. These will be removed in a future version.
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(#13441)
Co-authored-by: MattC <buffless-matt@users.noreply.github.com>
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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Fix @tag_args being off-by-one (ahead)
Example:
```
argspec.args=[
'self',
'room_id'
]
args=(
<synapse.storage.databases.main.DataStore object at 0x10d0b8d00>,
'!HBehERstyQBxyJDLfR:my.synapse.server'
)
```
---
The previous logic was also flawed and we can end up in a situation like this:
```
argspec.args=['self', 'dest', 'room_id', 'limit', 'extremities']
args=(<synapse.federation.federation_client.FederationClient object at 0x7f1651c18160>, 'hs1', '!jAEHKIubyIfuLOdfpY:hs1')
```
From this source:
```py
async def backfill(
self, dest: str, room_id: str, limit: int, extremities: Collection[str]
) -> Optional[List[EventBase]]:
```
And this usage:
```py
events = await self._federation_client.backfill(
dest, room_id, limit=limit, extremities=extremities
)
```
which would previously cause this error:
```
synapse_main | 2022-08-04 06:13:12,051 - synapse.handlers.federation - 424 - ERROR - GET-5 - Failed to backfill from hs1 because tuple index out of range
synapse_main | Traceback (most recent call last):
synapse_main | File "/usr/local/lib/python3.9/site-packages/synapse/handlers/federation.py", line 392, in try_backfill
synapse_main | await self._federation_event_handler.backfill(
synapse_main | File "/usr/local/lib/python3.9/site-packages/synapse/logging/tracing.py", line 828, in _wrapper
synapse_main | return await func(*args, **kwargs)
synapse_main | File "/usr/local/lib/python3.9/site-packages/synapse/handlers/federation_event.py", line 593, in backfill
synapse_main | events = await self._federation_client.backfill(
synapse_main | File "/usr/local/lib/python3.9/site-packages/synapse/logging/tracing.py", line 828, in _wrapper
synapse_main | return await func(*args, **kwargs)
synapse_main | File "/usr/local/lib/python3.9/site-packages/synapse/logging/tracing.py", line 827, in _wrapper
synapse_main | with wrapping_logic(func, *args, **kwargs):
synapse_main | File "/usr/local/lib/python3.9/contextlib.py", line 119, in __enter__
synapse_main | return next(self.gen)
synapse_main | File "/usr/local/lib/python3.9/site-packages/synapse/logging/tracing.py", line 922, in _wrapping_logic
synapse_main | set_attribute("ARG_" + arg, str(args[i + 1])) # type: ignore[index]
synapse_main | IndexError: tuple index out of range
```
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(#13455)
* Adds docstrings and inline comments.
* Formats SQL queries using triple quoted strings.
* Minor formatting changes.
* Avoid fetching `event_push_summary_stream_ordering` multiple times
in the same transactions.
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for a room which it has not fully joined yet. (#13416)
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Still maintains local in memory lookup optimisation, but does any external
lookup as part of the deferred that prevents duplicate lookups for the same
event at once. This makes the assumption that fetching from an external
cache is a non-zero load operation.
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Co-authored-by: MattC <buffless-matt@users.noreply.github.com>
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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In Jaeger:
- Before: huge list of uncategorized database calls
- After: nice and collapsible into units of work
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Signed-off-by: Andrew Doh <andrewddo@gmail.com>
Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
Co-authored-by: Andrew Morgan <andrewm@element.io>
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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Co-authored-by: MattC <buffless-matt@users.noreply.github.com>
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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so that we raise the intended error instead.
Signed-off-by: Sean Quah <seanq@matrix.org>
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fails. (#13403)
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#13404 removed an import of `Optional` which was still needed
due to #13413 added more usages.
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Previously, `_resolve_state_at_missing_prevs` returned the resolved
state before an event and a partial state flag. These were unwieldy to
carry around would only ever be used to build an event context. Build
the event context directly instead.
Signed-off-by: Sean Quah <seanq@matrix.org>
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Make sure that we re-check the auth rules during state resync, otherwise
rejected events get un-rejected.
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Synapse 1.64.0rc2 (2022-07-29)
==============================
This RC reintroduces support for `account_threepid_delegates.email`, which was removed in 1.64.0rc1. It remains deprecated and will be removed altogether in a future release. ([\#13406](https://github.com/matrix-org/synapse/issues/13406))
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Reverts commit fa71bb18b527d1a3e2629b48640ea67fff2f8c59, and tweaks documentation.
Signed-off-by: 3nprob <git@3n.anonaddy.com>
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(#13370)
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
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(#13343)
Implements MSC3848
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room via any server. (#13160)
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(#13346)
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The `room_id` field represented the parent space for each room
and was made redundant by changes in the API shape where the
`children_state` is now nested underneath each `room`.
The room ID of each child is in the `state_key` field and is still
available.
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Make sure that we only pull out events from the db once they have no
prev-events with partial state.
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(#13355)
Avoid blocking on full state in `_resolve_state_at_missing_prevs` and
return a new flag indicating whether the resolved state is partial.
Thread that flag around so that it makes it into the event context.
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
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registration. (#13350)
When registering a new account via SSO on iOS, the text field becomes pretty annoying as it autocapitalises and autocorrects your input. This PR fixes that (although I have only tested the raw HTML file on the simulator, I'm not sure how to get the complete setup available for testing in the flow).
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Previously, TLS could only be used with STARTTLS.
Add a new option `force_tls`, where TLS is used from the start.
Implicit TLS is recommended over STARTLS,
see https://datatracker.ietf.org/doc/html/rfc8314
Fixes #8046.
Signed-off-by: Jan Schär <jan@jschaer.ch>
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See #10826 and #10786 for context as to why we had to disable pruning on
those caches.
Now that `get_users_who_share_room_with_user` is called frequently only
for presence, we just need to make calls to it less frequent and then we
can remove the various levels of caching that is going on.
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(#13205)
Depends on https://github.com/matrix-org/synapse/pull/13320
Complement tests: https://github.com/matrix-org/complement/pull/406
We could use the same method to backfill for `/context` as well in the future, see https://github.com/matrix-org/synapse/issues/3848
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When a room has the partial state flag, we may not have an accurate
`m.room.member` event for event senders in the room's current state, and
so cannot perform soft fail checks correctly. Skip the soft fail check
entirely in this case.
As an alternative, we could block until we have full state, but that
would prevent us from receiving incoming events over federation, which
is undesirable.
Signed-off-by: Sean Quah <seanq@matrix.org>
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After this change `synapse.logging` is fully typed.
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This comes from two identical definitions in each of the base stores, and means the base slaved store is now empty and can be removed.
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Update `get_pdu` to return the untouched, pristine `EventBase` as it was originally seen over federation (no metadata added). Previously, we returned the same `event` reference that we stored in the cache which downstream code modified in place and added metadata like setting it as an `outlier` and essentially poisoned our cache. Now we always return a copy of the `event` so the original can stay pristine in our cache and re-used for the next cache call.
Split out from https://github.com/matrix-org/synapse/pull/13205
As discussed at:
- https://github.com/matrix-org/synapse/pull/13205#discussion_r918365746
- https://github.com/matrix-org/synapse/pull/13205#discussion_r918366125
Related to https://github.com/matrix-org/synapse/issues/12584. This PR doesn't fix that issue because it hits [`get_event` which exists from the local database before it tries to `get_pdu`](https://github.com/matrix-org/synapse/blob/7864f33e286dec22368dc0b11c06eebb1462a51e/synapse/federation/federation_client.py#L581-L594).
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(#13318)
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This can cause a lot of extra load on servers with lots of appservice users. Introduced in #13078
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Functions that are decorated with `trace` are now properly typed
and the type hints for them are fixed.
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Fix race conditions in the async cache invalidation logic, by separating
the async & local invalidation calls and ensuring any async call i
executed first.
Signed off by Nick @ Beeper (@Fizzadar).
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`_get_joined_profiles_from_event_ids`. (#13300)
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Signed-off-by: Sean Quah <seanq@matrix.org>
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This reverts commit 5d4028f217f178fcd384d5bfddd92225b4e78c51.
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To close: #10294.
Signed off by Nick @ Beeper.
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More prep work for asyncronous caching, also makes all process_replication_rows methods consistent (presence handler already is so).
Signed off by Nick @ Beeper (@Fizzadar)
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Fix https://github.com/matrix-org/synapse/issues/13016
## New error code and status
### Before
Previously, we returned a `404` for `/thumbnail` which isn't even in the spec.
```json
{
"errcode": "M_NOT_FOUND",
"error": "Not found [b'hs1', b'tefQeZhmVxoiBfuFQUKRzJxc']"
}
```
### After
What does the spec say?
> 400: The request does not make sense to the server, or the server cannot thumbnail the content. For example, the client requested non-integer dimensions or asked for negatively-sized images.
>
> *-- https://spec.matrix.org/v1.1/client-server-api/#get_matrixmediav3thumbnailservernamemediaid*
Now with this PR, we respond with a `400` when we don't have thumbnails to serve and we explain why we might not have any thumbnails.
```json
{
"errcode": "M_UNKNOWN",
"error": "Cannot find any thumbnails for the requested media ([b'example.com', b'12345']). This might mean the media is not a supported_media_format=(image/jpeg, image/jpg, image/webp, image/gif, image/png) or that thumbnailing failed for some other reason. (Dynamic thumbnails are disabled on this server.)",
}
```
> Cannot find any thumbnails for the requested media ([b'example.com', b'12345']). This might mean the media is not a supported_media_format=(image/jpeg, image/jpg, image/webp, image/gif, image/png) or that thumbnailing failed for some other reason. (Dynamic thumbnails are disabled on this server.)
---
We still respond with a 404 in many other places. But we can iterate on those later and maybe keep some in some specific places after spec updates/clarification: https://github.com/matrix-org/matrix-spec/issues/1122
We can also iterate on the bugs where Synapse doesn't thumbnail when it should in other issues/PRs.
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Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
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These columns were added back in Synapse 1.52, and have been populated for new
events since then. It's now (beyond) time to back-populate them for existing
events.
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There are two fixes here:
1. A long-standing bug where we incorrectly calculated `delta_ids`; and
2. A bug introduced in #13267 where we got current state incorrect.
|
