diff options
| -rw-r--r-- | CHANGES.md | 9 | ||||
| -rw-r--r-- | debian/changelog | 6 | ||||
| -rw-r--r-- | pyproject.toml | 2 | ||||
| -rw-r--r-- | synapse/replication/tcp/resource.py | 18 | ||||
| -rw-r--r-- | tests/replication/tcp/test_handler.py | 61 |
5 files changed, 95 insertions, 1 deletions
diff --git a/CHANGES.md b/CHANGES.md index f5c19bcb97..644ef6e036 100644 --- a/CHANGES.md +++ b/CHANGES.md @@ -1,3 +1,12 @@ +Synapse 1.78.0 (2023-02-28) +=========================== + +Bugfixes +-------- + +- Fix a bug introduced in Synapse 1.76 where 5s delays would occasionally occur in deployments using workers. ([\#15150](https://github.com/matrix-org/synapse/issues/15150)) + + Synapse 1.78.0rc1 (2023-02-21) ============================== diff --git a/debian/changelog b/debian/changelog index f9e95ee5e2..0f094308c1 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,3 +1,9 @@ +matrix-synapse-py3 (1.78.0) stable; urgency=medium + + * New Synapse release 1.78.0. + + -- Synapse Packaging team <packages@matrix.org> Tue, 28 Feb 2023 08:56:03 -0800 + matrix-synapse-py3 (1.78.0~rc1) stable; urgency=medium * Add `matrix-org-archive-keyring` package as recommended. diff --git a/pyproject.toml b/pyproject.toml index a48b35fa63..27785b6e13 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -89,7 +89,7 @@ manifest-path = "rust/Cargo.toml" [tool.poetry] name = "matrix-synapse" -version = "1.78.0rc1" +version = "1.78.0" description = "Homeserver for the Matrix decentralised comms protocol" authors = ["Matrix.org Team and Contributors <packages@matrix.org>"] license = "Apache-2.0" diff --git a/synapse/replication/tcp/resource.py b/synapse/replication/tcp/resource.py index 9d17eff714..347467d863 100644 --- a/synapse/replication/tcp/resource.py +++ b/synapse/replication/tcp/resource.py @@ -238,6 +238,24 @@ class ReplicationStreamer: except Exception: logger.exception("Failed to replicate") + # The last token we send may not match the current + # token, in which case we want to send out a `POSITION` + # to tell other workers the actual current position. + if updates[-1][0] < current_token: + logger.info( + "Sending position: %s -> %s", + stream.NAME, + current_token, + ) + self.command_handler.send_command( + PositionCommand( + stream.NAME, + self._instance_name, + updates[-1][0], + current_token, + ) + ) + logger.debug("No more pending updates, breaking poke loop") finally: self.pending_updates = False diff --git a/tests/replication/tcp/test_handler.py b/tests/replication/tcp/test_handler.py index bf927beb6a..bab77b2df7 100644 --- a/tests/replication/tcp/test_handler.py +++ b/tests/replication/tcp/test_handler.py @@ -141,3 +141,64 @@ class ChannelsTestCase(BaseMultiWorkerStreamTestCase): self.get_success(ctx_worker1.__aexit__(None, None, None)) self.assertTrue(d.called) + + def test_wait_for_stream_position_rdata(self) -> None: + """Check that wait for stream position correctly waits for an update + from the correct instance, when RDATA is sent. + """ + store = self.hs.get_datastores().main + cmd_handler = self.hs.get_replication_command_handler() + data_handler = self.hs.get_replication_data_handler() + + worker1 = self.make_worker_hs( + "synapse.app.generic_worker", + extra_config={ + "worker_name": "worker1", + "run_background_tasks_on": "worker1", + "redis": {"enabled": True}, + }, + ) + + cache_id_gen = worker1.get_datastores().main._cache_id_gen + assert cache_id_gen is not None + + self.replicate() + + # First, make sure the master knows that `worker1` exists. + initial_token = cache_id_gen.get_current_token() + cmd_handler.send_command( + PositionCommand("caches", "worker1", initial_token, initial_token) + ) + self.replicate() + + # `wait_for_stream_position` should only return once master receives a + # notification that `next_token2` has persisted. + ctx_worker1 = cache_id_gen.get_next_mult(2) + next_token1, next_token2 = self.get_success(ctx_worker1.__aenter__()) + + d = defer.ensureDeferred( + data_handler.wait_for_stream_position("worker1", "caches", next_token2) + ) + self.assertFalse(d.called) + + # Insert an entry into the cache stream with token `next_token1`, but + # not `next_token2`. + self.get_success( + store.db_pool.simple_insert( + table="cache_invalidation_stream_by_instance", + values={ + "stream_id": next_token1, + "instance_name": "worker1", + "cache_func": "foo", + "keys": [], + "invalidation_ts": 0, + }, + ) + ) + + # Finish the context manager, triggering the data to be sent to master. + self.get_success(ctx_worker1.__aexit__(None, None, None)) + + # Master should get told about `next_token2`, so the deferred should + # resolve. + self.assertTrue(d.called) |