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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/upgrade.md | 10 | ||||
| -rw-r--r-- | docs/usage/configuration/config_documentation.md | 19 |
2 files changed, 29 insertions, 0 deletions
diff --git a/docs/upgrade.md b/docs/upgrade.md index 3aaeb499ce..2c7c258909 100644 --- a/docs/upgrade.md +++ b/docs/upgrade.md @@ -104,6 +104,16 @@ minimum, a `notif_from` setting.) Specifying an `email` setting under `account_threepid_delegates` will now cause an error at startup. +## Changes to the event replication streams + +Synapse now includes a flag indicating if an event is an outlier when +replicating it to other workers. This is a forwards- and backwards-incompatible +change: v1.63 and workers cannot process events replicated by v1.64 workers, and +vice versa. + +Once all workers are upgraded to v1.64 (or downgraded to v1.63), event +replication will resume as normal. + # Upgrading to v1.62.0 ## New signatures for spam checker callbacks diff --git a/docs/usage/configuration/config_documentation.md b/docs/usage/configuration/config_documentation.md index 5fe502e33a..be272a400c 100644 --- a/docs/usage/configuration/config_documentation.md +++ b/docs/usage/configuration/config_documentation.md @@ -1472,6 +1472,25 @@ rc_joins: burst_count: 12 ``` --- +### `rc_joins_per_room` + +This option allows admins to ratelimit joins to a room based on the number of recent +joins (local or remote) to that room. It is intended to mitigate mass-join spam +waves which target multiple homeservers. + +By default, one join is permitted to a room every second, with an accumulating +buffer of up to ten instantaneous joins. + +Example configuration (default values): +```yaml +rc_joins_per_room: + per_second: 1 + burst_count: 10 +``` + +_Added in Synapse 1.64.0._ + +--- ### `rc_3pid_validation` This option ratelimits how often a user or IP can attempt to validate a 3PID. |