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This makes it much easier to find where streams are referenced.
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fix a few things to make this pass mypy.
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State res v2 across large data sets can be very CPU intensive, and if
all the relevant events are in the cache the algorithm will run from
start to finish within a single reactor tick. This can result in
blocking the reactor tick for several seconds, which can have major
repercussions on other requests.
To fix this we simply add the occaisonal `sleep(0)` during iterations to
yield execution until the next reactor tick. The aim is to only do this
for large data sets so that we don't impact otherwise quick resolutions.=
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HTTP requires the response to contain a Content-Length header unless chunked encoding is being used.
Prometheus metrics endpoint did not set this, causing software such as prometheus-proxy to not be able to scrape synapse for metrics.
Signed-off-by: Christian Svensson <blue@cmd.nu>
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Fix unread counts in sync
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* Always return an unread_count in get_unread_event_push_actions_by_room_for_user
* Don't always expect unread_count to be there so we don't take out sync entirely if something goes wrong
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Older versions of `parameterized` package have no `parameterized_class` decorator. This decorator is used in tests.
Signed-off-by: Oleg Girko <ol@infoserver.lv>
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This requires a new config option to specify which media repo should be
responsible for running background jobs to e.g. clear out expired URL
preview caches.
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Implementation of https://github.com/matrix-org/matrix-doc/pull/2625
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This is a potential solution to https://github.com/vector-im/riot-web/issues/3374
and https://github.com/vector-im/riot-web/issues/5953
as raised by Mozilla at https://github.com/vector-im/riot-web/issues/10868.
This lets you define a push rule action which increases the badge count (unread notification)
count on a given room, but doesn't actually send a push for that notification via email or HTTP.
We might want to define this as the default behaviour for group chats in future
to solve https://github.com/vector-im/riot-web/issues/3268 at last.
This is implemented as a string action rather than a tweak because:
* Other pushers don't care about the tweak, given they won't ever get pushed
* The DB can store the tweak more efficiently using the existing `notify` table.
* It avoids breaking the default_notif/highlight_action optimisations.
Clients which generate their own notifs (e.g. desktop notifs from Riot/Web
would need to be aware of the new push action) to uphold it.
An alternative way to do this would be to maintain a `msg_count` alongside
`highlight_count` and `notification_count` in `unread_notifications` in sync responses.
However, doing this by counting the rows in `events` since the `stream_position`
of the user's last read receipt turns out to be painfully slow (~200ms), perhaps
due to the size of the events table. So instead, we use the highly optimised
existing event_push_actions (and event_push_actions_staging) table to maintain
the counts - using the code paths which already exist for tracking unread
notification counts efficiently. These queries are typically ~3ms or so.
The biggest issues I see here are:
* We're slightly repurposing the `notif` field on `event_push_actions` to
track whether a given action actually sent a `push` or not. This doesn't
seem unreasonable, but it's slightly naughty given that previously the
field explicitly tracked whether `notify` was true for the action (and
as a result, it was uselessly always set to 1 in the DB).
* We're going to put more load on the `event_push_actions` table for all the
random group chats which people had previously muted. In practice i don't
think there are many of these though.
* There isn't an MSC for this yet (although this comment could become one).
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The aim here is to make it easier to reason about when streams are limited and when they're not, by moving the logic into the database functions themselves. This should mean we can kill of `db_query_to_update_function` function.
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This ended up being a bit more invasive than I'd hoped for (not helped by
generic_worker duplicating some of the code from homeserver), but hopefully
it's an improvement.
The idea is that, rather than storing unstructured `dict`s in the config for
the listener configurations, we instead parse it into a structured
`ListenerConfig` object.
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Fixes https://github.com/matrix-org/synapse/issues/7683
Broke in: #7649
We had a `yield` acting on a coroutine. To be fair this one is a bit difficult to notice as there's a function in the middle that just passes the coroutine along.
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The spec [states](https://matrix.org/docs/spec/client_server/r0.6.1#phone-number) that `m.id.phone` requires the field `country` and `phone`.
In Synapse, we've been enforcing `country` and `number`.
I am not currently sure whether this affects any client implementations.
This issue was introduced in #1994.
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Just a simple typo fix.
Signed-off-by: wondratsch 28294257+wondratsch@users.noreply.github.com
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This should fix #7610.
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Fixes https://github.com/matrix-org/synapse/issues/2431
Adds config option `encryption_enabled_by_default_for_room_type`, which determines whether encryption should be enabled with the default encryption algorithm in private or public rooms upon creation. Whether the room is private or public is decided based upon the room creation preset that is used.
Part of this PR is also pulling out all of the individual instances of `m.megolm.v1.aes-sha2` into a constant variable to eliminate typos ala https://github.com/matrix-org/synapse/pull/7637
Based on #7637
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This reverts commit 8587b0426fa4e65992aaa47158e991fa1797d3fb.
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* Ensure account data stream IDs are unique.
The account data stream is shared between three tables, and the maximum
allocated ID was tracked in a dedicated table. Updating the max ID
happened outside the transaction that allocated the ID, leading to a
race where if the server was restarted then the same ID could be
allocated but the max ID failed to be updated, leading it to be reused.
The ID generators have support for tracking across multiple tables, so
we may as well use that instead of a dedicated table.
* Fix bug in account data replication stream.
If the same stream ID was used in both global and room account data then
the getting updates for the replication stream would fail due to
`heapq.merge(..)` trying to compare a `str` with a `None`. (This is
because you'd have two rows like `(534, '!room')` and `(534, None)` from
the room and global account data tables).
Fix is just to order by stream ID, since we don't rely on the ordering
beyond that. The bug where stream IDs can be reused should be fixed now,
so this case shouldn't happen going forward.
Fixes #7617
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Fixes https://github.com/matrix-org/synapse/issues/3177
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These things don't return Deferreds.
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active user limit has been reached (#7263)
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- Admin is able to
- change displaynames
- delete devices
- list devices
- get device informations
Fixes #7330
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Closes #4382
Signed-off-by: Maxim Plotnikov <wgh@torlan.ru>
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While working on https://github.com/matrix-org/synapse/issues/5665 I found myself digging into the `Ratelimiter` class and seeing that it was both:
* Rather undocumented, and
* causing a *lot* of config checks
This PR attempts to refactor and comment the `Ratelimiter` class, as well as encourage config file accesses to only be done at instantiation.
Best to be reviewed commit-by-commit.
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@uhoreg has confirmed these were both typos. They are only in comments and tests though, rather than anything critical.
Introduced in:
* https://github.com/matrix-org/synapse/pull/7157
* https://github.com/matrix-org/synapse/pull/5726
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docs, default configs, comments. Nothing very significant.
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Based on #7619
async's `get_user_id_by_threepid` and its call stack.
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flow (#7625)
This is so the user is warned about the username not being valid as soon as possible, rather than only once they've finished UIA.
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We already caught some exceptions, but not all.
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* Expose `return_html_error`, and allow it to take a Jinja2 template instead of a raw string
* Clean up exception handling in SAML2ResponseResource
* use the existing code in `return_html_error` instead of re-implementing it
(giving it a jinja2 template rather than inventing a new form of template)
* do the exception-catching in the REST layer rather than in the handler
layer, to make sure we catch all exceptions.
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It looks like `user_device_resync` was ignoring cross-signing keys from the results received from the remote server. This patch fixes this, by processing these keys using the same process `_handle_signing_key_updates` does (and effectively factor that part out of that function).
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The query keeps showing up in my slow query log.
This changes the plan under the top-level Sort node from
```
WindowAgg (cost=280335.88..292963.15 rows=561212 width=80) (actual time=138.651..160.562 rows=27112 loops=1)
-> Sort (cost=280335.88..281738.91 rows=561212 width=84) (actual time=138.597..140.622 rows=27112 loops=1)
Sort Key: state_groups_state.type, state_groups_state.state_key, state_groups_state.state_group
Sort Method: quicksort Memory: 4581kB
-> Nested Loop (cost=2.83..226745.22 rows=561212 width=84) (actual time=21.548..47.657 rows=27112 loops=1)
-> HashAggregate (cost=2.27..3.28 rows=101 width=8) (actual time=21.526..21.535 rows=20 loops=1)
Group Key: state.state_group
-> CTE Scan on state (cost=0.00..2.02 rows=101 width=8) (actual time=21.280..21.493 rows=20 loops=1)
-> Index Scan using state_groups_state_type_idx on state_groups_state (cost=0.56..2189.40 rows=5557 width=84) (actual time=0.005..0.991 rows=1356 loops=20)
Index Cond: (state_group = state.state_group)
```
to
```
Nested Loop (cost=2.83..226745.22 rows=561212 width=84) (actual time=24.194..52.834 rows=27112 loops=1)
-> HashAggregate (cost=2.27..3.28 rows=101 width=8) (actual time=24.130..24.138 rows=20 loops=1)
Group Key: state.state_group
-> CTE Scan on state (cost=0.00..2.02 rows=101 width=8) (actual time=23.887..24.113 rows=20 loops=1)
-> Index Scan using state_groups_state_type_idx on state_groups_state (cost=0.56..2189.40 rows=5557 width=84) (actual time=0.016..1.159 rows=1356 loops=20)
Index Cond: (state_group = state.state_group)
```
This cuts the execution time from ~190ms to ~130ms, i.e. a reduction
of ~30%.
The full plans are visualised at https://explain.depesz.com/s/WpbT and
https://explain.depesz.com/s/KlEk
Signed-off-by: Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>
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Without this patch, if an error happens which isn't caught by `user_device_resync`, then `_maybe_retry_device_resync` would fail, without retrying the next users in the iteration. This patch fixes this so that it now only logs an error in this case.
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Fixes #7469
Signed-off-by: Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>
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(#7599)
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Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
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Speed up processing of federation stream RDATA rows.
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Instead of storing and sending an ACK for every single row we send
synchronously, we instead do it asynchronously while batching up
updates.
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Signed-off-by: Christopher Cooper <cooperc@ocf.berkeley.edu>
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Synapse 1.14.0rc2 (2020-05-27)
==============================
Bugfixes
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- Fix cache config to not apply cache factor to event cache. Regression in v1.14.0rc1. ([\#7578](https://github.com/matrix-org/synapse/issues/7578))
- Fix bug where `ReplicationStreamer` was not always started when replication was enabled. Bug introduced in v1.14.0rc1. ([\#7579](https://github.com/matrix-org/synapse/issues/7579))
- Fix specifying individual cache factors for caches with special characters in their name. Regression in v1.14.0rc1. ([\#7580](https://github.com/matrix-org/synapse/issues/7580))
Improved Documentation
----------------------
- Fix the OIDC `client_auth_method` value in the sample config. ([\#7581](https://github.com/matrix-org/synapse/issues/7581))
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'client_auth_method' commented out value was erronously 'client_auth_basic',
when code and docstring says it should be 'client_secret_basic'.
Signed-off-by: Jason Robinson <jasonr@matrix.org>
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This mostly applise to `*stateGroupCache*` and co.
Broke in #6391.
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This is already correctly done when we instansiate the cache, but wasn't
when it got reloaded (which always happens at least once on startup).
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Fixes #7566.
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We were using `logger` syntax which isn't supported by `Exception`s.
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The bg update never managed to complete, because it kept being interrupted by
transactions which want to take a lock.
Just doing it in the foreground isn't that bad, and is a good deal simpler.
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Introduced in #7556
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A couple of changes of significance:
* remove the `_last_ack < federation_position` condition, so that
updates will still be correctly processed after restart
* Correctly wire up send_federation_ack to the right class.
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we can use `make_in_list_sql_clause` rather than doing our own half-baked
equivalent, which has the benefit of working just fine with empty lists.
(This has quite a lot of tests, so I think it's pretty safe)
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These are surprisingly expensive, and we only really need to do them at startup.
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Broke in #7534.
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The idea here is that if an instance persists an event via the replication HTTP API it can return before we receive that event over replication, which can lead to races where code assumes that persisting an event immediately updates various caches (e.g. current state of the room).
Most of Synapse doesn't hit such races, so we don't do the waiting automagically, instead we do so where necessary to avoid unnecessary delays. We may decide to change our minds here if it turns out there are a lot of subtle races going on.
People probably want to look at this commit by commit.
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Mainly because sometimes the email push code raises exceptions where the
stack traces have gotten lost, which is hopefully fixed by this.
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Instead of doing a complicated dance of deleting and moving aliases one
by one, which sends a canonical alias update into the old room for each
one, lets do it all in one go.
This also changes the function to move *all* local alias events to the new
room, however that happens later on anyway.
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These are business as usual errors, rather than stuff we want to log at
error.
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PyPy's gc.get_stats() returns an object containing detailed allocator statistics
which could be beneficial to collect as metrics.
Signed-off-by: Ivan Shapovalov <intelfx@intelfx.name>
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`Failure()` is more cunning than `Failure(e)`.
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consistency ftw
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When a call to `user_device_resync` fails, we don't currently mark the remote user's device list as out of sync, nor do we retry to sync it.
https://github.com/matrix-org/synapse/pull/6776 introduced some code infrastructure to mark device lists as stale/out of sync.
This commit uses that code infrastructure to mark device lists as out of sync if processing an incoming device list update makes the device handler realise that the device list is out of sync, but we can't resync right now.
It also adds a looping call to retry all failed resync every 30s. This shouldn't cause too much spam in the logs as this commit also removes the "Failed to handle device list update for..." warning logs when catching `NotRetryingDestination`.
Fixes #7418
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We don't really make any promises about returning accurate presence data when
presence is disabled, so we may as well just return a static response, rather
than making the master handle a request.
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`_is_server_still_joined` will throw if it is given state updates with non-user ID state keys with local user leaves. This is actually rarely a problem since local leaves almost always get persisted by themselves.
(I discovered this on a branch that was otherwise broken, so I haven't seen this in the wild)
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This now matches the logic of the registration process as modified in
56db0b1365965c02ff539193e26c333b7f70d101 / #7523.
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(#7497)
Per https://github.com/matrix-org/matrix-doc/issues/1436#issuecomment-410089470 they should be omitted instead of returning null or "". They aren't marked as required in the spec.
Fixes https://github.com/matrix-org/synapse/issues/7333
Signed-off-by: Aaron Raimist <aaron@raim.ist>
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Synapse 1.13.0rc3 (2020-05-18)
Bugfixes:
- Hash passwords as early as possible during registration. #7523
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This allows workers to talk to each other over HTTP replication.
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Kill off some old python 2 code
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this is no longer needed on python 3
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this is a no-op under python 3
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this is a no-op on python 3.
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this is a no-op on python 3.
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Make sure that the AccountDataStream presents complete updates, in the right
order.
This is much the same fix as #7337 and #7358, but applied to a different stream.
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This is required as both event persistence and the background update needs access to this function. It should be perfectly safe for two workers to write to that table at the same time.
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queries (#7465)
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This allows us to have the logic on both master and workers, which is necessary to move event persistence off master.
We also combine the instantiation of ID generators from DataStore and slave stores to the base worker stores. This allows us to select which process writes events independently of the master/worker splits.
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update_remote_profile_cache (#7511)
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In a new room version, the "notifications" key of power level events are
subject to restricted auth rules.
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This is so that the logic can happen on both master and workers when we move event persistence out.
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Synapse 1.13.0rc2 (2020-05-14)
==============================
Bugfixes
--------
- Fix a long-standing bug which could cause messages not to be sent over federation, when state events with state keys matching user IDs (such as custom user statuses) were received. ([\#7376](https://github.com/matrix-org/synapse/issues/7376))
- Restore compatibility with non-compliant clients during the user interactive authentication process, fixing a problem introduced in v1.13.0rc1. ([\#7483](https://github.com/matrix-org/synapse/issues/7483))
Internal Changes
----------------
- Fix linting errors in new version of Flake8. ([\#7470](https://github.com/matrix-org/synapse/issues/7470))
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Fix a bug where the `get_joined_users` cache could be corrupted by custom
status events (or other state events with a state_key matching the user ID).
The bug was introduced by #2229, but has largely gone unnoticed since then.
Fixes #7099, #7373.
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This backs out some of the validation for the client dictionary and logs if
this changes during a user interactive authentication session instead.
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This is a cherry-pick of 1a1da60ad2c9172fe487cd38a164b39df60f4cb5 (#7470)
to the release-v1.13.0 branch.
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This is safe as we can now write to cache invalidation stream on workers, and is required for when we move event persistence off master.
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Signed-off-by: Paul Tötterman <paul.totterman@iki.fi>
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The aim here is to get to a stage where we have a `PersistEventStore` that holds all the write methods used during event persistence, so that we can take that class out of the `DataStore` mixin and instansiate it separately. This will allow us to instansiate it on processes other than master, while also ensuring it is only available on processes that are configured to write to events stream.
This is a bit of an architectural change, where we end up with multiple classes per data store (rather than one per data store we have now). We end up having:
1. Storage classes that provide high level APIs that can talk to multiple data stores.
2. Data store modules that consist of classes that must point at the same database instance.
3. Classes in a data store that can be instantiated on processes depending on config.
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Before all streams were only written to from master, so only master needed to respond to `REPLICATE` commands.
Before all instances wrote to the cache invalidation stream, but didn't respond to `REPLICATE`. This was a bug, which could lead to missed rows from cache invalidation stream if an instance is restarted, however all the caches would be empty in that case so it wasn't a problem.
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Proactively send out `POSITION` commands (as if we had just received a `REPLICATE`) when we connect to Redis. This is important as other instances won't notice we've connected to issue a `REPLICATE` command (unlike for direct TCP connections). This is only currently an issue if master process reconnects without restarting (if it restarts then it won't have written anything and so other instances probably won't have missed anything).
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variables (#6391)
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* release-v1.13.0:
Don't UPGRADE database rows
RST indenting
Put rollback instructions in upgrade notes
Fix changelog typo
Oh yeah, RST
Absolute URL it is then
Fix upgrade notes link
Provide summary of upgrade issues in changelog. Fix )
Move next version notes from changelog to upgrade notes
Changelog fixes
1.13.0rc1
Documentation on setting up redis (#7446)
Rework UI Auth session validation for registration (#7455)
Fix errors from malformed log line (#7454)
Drop support for redis.dbid (#7450)
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Be less strict about validation of UI authentication sessions during
registration to match client expecations.
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Since we only use pubsub, the dbid is irrelevant.
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Add dummy_events_threshold which allows configuring the number of forward extremities a room needs for Synapse to send forward extremities in it.
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For the record, the reason we need this is as follows:
each RDATA command comes down the redis pipe as a subscription message. txredisapi as written needs at least three reactor ticks to read each subscription message from the tcp buffer. Hence, once the process gets loaded, it starts getting behind, and eventually redis knifes the connection. it then takes ages for the master to work its way through the backlog, before it reconnects again, during which any commands from any workers are dropped.
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Speed up fetching device lists changes in sync.
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Currently we copy `users_who_share_room` needlessly about three times,
which is expensive when the set is large (which it can easily be).
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... otherwise we can believe we're up to date when we're not.
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Make get_e2e_cross_signing_key delegate to get_e2e_cross_signing_keys_bulk
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... mostly because the latter has a cache.
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There's no point carefully dividing a list into batches, and then completely
ignoring the batches.
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This caused `prev_state_ids` to be incorrect if the state event was not
replacing an existing state entry.
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We're pretty close to having mypy working for `synapse.federation`, so let's
finish the job.
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looks like we managed to break this during the refactorathon.
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This will be used to coordinate stream IDs across multiple writers.
Functions as the equivalent of both `StreamIdGenerator` and
`SlavedIdTracker`.
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We forgot to set the password on the subscriber connection, as well as
not calling super methods for overridden connectionMade/connectionLost
functions.
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(#7387)
populate_stats_process_rooms was added in #5971 / v1.4.0; current_state_events_membership was added in #5706 / v1.3.0.
Fixes #7380.
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For in memory streams when fetching updates on workers we need to query the source of the stream, which currently is hard coded to be master. This PR threads through the source instance we received via `POSITION` through to the update function in each stream, which can then be passed to the replication client for in memory streams.
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We move the processing of typing and federation replication traffic into their handlers so that `Stream.current_token()` points to a valid token. This allows us to remove `get_streams_to_replicate()` and `stream_positions()`.
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which has it set to private (#7368)
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most of these params don't really need to be lists.
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Hopefully this is no worse than what we have on master...
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By persisting the user interactive authentication sessions to the database, this fixes
situations where a user hits different works throughout their auth session and also
allows sessions to persist through restarts of Synapse.
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This is primarily for allowing us to send those commands from workers, but for now simply allows us to ignore echoed RDATA/POSITION commands that we sent (we get echoes of sent commands when using redis). Currently we log a WARNING on the master process every time we receive an echoed RDATA.
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For direct TCP connections we need the master to relay REMOTE_SERVER_UP
commands to the other connections so that all instances get notified
about it. The old implementation just relayed to all connections,
assuming that sending back to the original sender of the command was
safe. This is not true for redis, where commands sent get echoed back to
the sender, which was causing master to effectively infinite loop
sending and then re-receiving REMOTE_SERVER_UP commands that it sent.
The fix is to ensure that we only relay to *other* connections and not
to the connection we received the notification from.
Fixes #7334.
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