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Synapse 1.18.0rc2 (2020-07-28)
============================== Bugfixes -------- - Fix an `AssertionError` exception introduced in v1.18.0rc1. ([\#7876](https://github.com/matrix-org/synapse/issues/7876)) - Fix experimental support for moving typing off master when worker is restarted, which is broken in v1.18.0rc1. ([\#7967](https://github.com/matrix-org/synapse/issues/7967)) Internal Changes ---------------- - Further optimise queueing of inbound replication commands. ([\#7876](https://github.com/matrix-org/synapse/issues/7876)) -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEv27Axt/F4vrTL/8QOSor00I9eP8FAl8f/f8ACgkQOSor00I9 eP8/Uwf8CiVWvrBsmFZMvxJDkUWm0/f1kN4IQdm8ibDtyNyvFUx+Y1K8KOQS+VwG a3bZqSC2Vv2sO9O9kR+V2tk831l+ujO0Nlaohuqyvhcl9lzh04rRYI9x9IHlAq2H WPb0NMLwMufL6YkXDBwZT/G9TVW1vLRGASu4f7X2rXqek34VNVgYbg1hB2dp4dDa wjKk3iBZ6h34IhKPgu0sLBUcyvX4U5xdOHjEG3HXvNnvDNO0HMD8rGB7065vFMD6 PH4nUK/h+RL0UBs2sJOMK1ZazFUODdURwANJQNAQ6pNvf9/RWgw2okka2bYIcmQQ UT7tiwMsBvKdy4PER5fcDX3COY16qw== =Q+bI -----END PGP SIGNATURE----- Merge tag 'v1.18.0rc2' into develop Synapse 1.18.0rc2 (2020-07-28) ============================== Bugfixes -------- - Fix an `AssertionError` exception introduced in v1.18.0rc1. ([\#7876](https://github.com/matrix-org/synapse/issues/7876)) - Fix experimental support for moving typing off master when worker is restarted, which is broken in v1.18.0rc1. ([\#7967](https://github.com/matrix-org/synapse/issues/7967)) Internal Changes ---------------- - Further optimise queueing of inbound replication commands. ([\#7876](https://github.com/matrix-org/synapse/issues/7876))
This commit is contained in:
Richard van der Hoff
commit
349119a340
16
CHANGES.md
16
CHANGES.md
@ -1,3 +1,19 @@
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Synapse 1.18.0rc2 (2020-07-28)
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==============================
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Bugfixes
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--------
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- Fix an `AssertionError` exception introduced in v1.18.0rc1. ([\#7876](https://github.com/matrix-org/synapse/issues/7876))
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- Fix experimental support for moving typing off master when worker is restarted, which is broken in v1.18.0rc1. ([\#7967](https://github.com/matrix-org/synapse/issues/7967))
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Internal Changes
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----------------
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- Further optimise queueing of inbound replication commands. ([\#7876](https://github.com/matrix-org/synapse/issues/7876))
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Synapse 1.18.0rc1 (2020-07-27)
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==============================
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@ -36,7 +36,7 @@ try:
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except ImportError:
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pass
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__version__ = "1.18.0rc1"
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__version__ = "1.18.0rc2"
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if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
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# We import here so that we don't have to install a bunch of deps when
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@ -39,10 +39,10 @@ class ReplicationRestResource(JsonResource):
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federation.register_servlets(hs, self)
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presence.register_servlets(hs, self)
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membership.register_servlets(hs, self)
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streams.register_servlets(hs, self)
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# The following can't currently be instantiated on workers.
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if hs.config.worker.worker_app is None:
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login.register_servlets(hs, self)
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register.register_servlets(hs, self)
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devices.register_servlets(hs, self)
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streams.register_servlets(hs, self)
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@ -16,6 +16,7 @@
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import logging
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from typing import (
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Any,
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Awaitable,
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Dict,
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Iterable,
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Iterator,
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@ -33,6 +34,7 @@ from typing_extensions import Deque
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from twisted.internet.protocol import ReconnectingClientFactory
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from synapse.metrics import LaterGauge
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from synapse.metrics.background_process_metrics import run_as_background_process
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from synapse.replication.tcp.client import DirectTcpReplicationClientFactory
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from synapse.replication.tcp.commands import (
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ClearUserSyncsCommand,
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@ -152,7 +154,7 @@ class ReplicationCommandHandler:
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# When POSITION or RDATA commands arrive, we stick them in a queue and process
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# them in order in a separate background process.
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# the streams which are currently being processed by _unsafe_process_stream
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# the streams which are currently being processed by _unsafe_process_queue
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self._processing_streams = set() # type: Set[str]
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# for each stream, a queue of commands that are awaiting processing, and the
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@ -185,7 +187,7 @@ class ReplicationCommandHandler:
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if self._is_master:
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self._server_notices_sender = hs.get_server_notices_sender()
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async def _add_command_to_stream_queue(
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def _add_command_to_stream_queue(
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self, conn: AbstractConnection, cmd: Union[RdataCommand, PositionCommand]
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) -> None:
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"""Queue the given received command for processing
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@ -199,33 +201,34 @@ class ReplicationCommandHandler:
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logger.error("Got %s for unknown stream: %s", cmd.NAME, stream_name)
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return
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# if we're already processing this stream, stick the new command in the
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# queue, and we're done.
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queue.append((cmd, conn))
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# if we're already processing this stream, there's nothing more to do:
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# the new entry on the queue will get picked up in due course
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if stream_name in self._processing_streams:
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queue.append((cmd, conn))
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return
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# otherwise, process the new command.
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# fire off a background process to start processing the queue.
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run_as_background_process(
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"process-replication-data", self._unsafe_process_queue, stream_name
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)
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# arguably we should start off a new background process here, but nothing
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# will be too upset if we don't return for ages, so let's save the overhead
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# and use the existing logcontext.
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async def _unsafe_process_queue(self, stream_name: str):
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"""Processes the command queue for the given stream, until it is empty
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Does not check if there is already a thread processing the queue, hence "unsafe"
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"""
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assert stream_name not in self._processing_streams
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self._processing_streams.add(stream_name)
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try:
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# might as well skip the queue for this one, since it must be empty
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assert not queue
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await self._process_command(cmd, conn, stream_name)
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# now process any other commands that have built up while we were
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# dealing with that one.
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queue = self._command_queues_by_stream.get(stream_name)
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while queue:
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cmd, conn = queue.popleft()
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try:
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await self._process_command(cmd, conn, stream_name)
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except Exception:
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logger.exception("Failed to handle command %s", cmd)
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finally:
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self._processing_streams.discard(stream_name)
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@ -299,7 +302,7 @@ class ReplicationCommandHandler:
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"""
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return self._streams_to_replicate
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async def on_REPLICATE(self, conn: AbstractConnection, cmd: ReplicateCommand):
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def on_REPLICATE(self, conn: AbstractConnection, cmd: ReplicateCommand):
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self.send_positions_to_connection(conn)
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def send_positions_to_connection(self, conn: AbstractConnection):
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@ -318,57 +321,73 @@ class ReplicationCommandHandler:
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)
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)
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async def on_USER_SYNC(self, conn: AbstractConnection, cmd: UserSyncCommand):
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def on_USER_SYNC(
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self, conn: AbstractConnection, cmd: UserSyncCommand
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) -> Optional[Awaitable[None]]:
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user_sync_counter.inc()
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if self._is_master:
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await self._presence_handler.update_external_syncs_row(
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return self._presence_handler.update_external_syncs_row(
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cmd.instance_id, cmd.user_id, cmd.is_syncing, cmd.last_sync_ms
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)
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else:
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return None
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async def on_CLEAR_USER_SYNC(
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def on_CLEAR_USER_SYNC(
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self, conn: AbstractConnection, cmd: ClearUserSyncsCommand
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):
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) -> Optional[Awaitable[None]]:
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if self._is_master:
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await self._presence_handler.update_external_syncs_clear(cmd.instance_id)
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return self._presence_handler.update_external_syncs_clear(cmd.instance_id)
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else:
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return None
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async def on_FEDERATION_ACK(
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self, conn: AbstractConnection, cmd: FederationAckCommand
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):
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def on_FEDERATION_ACK(self, conn: AbstractConnection, cmd: FederationAckCommand):
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federation_ack_counter.inc()
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if self._federation_sender:
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self._federation_sender.federation_ack(cmd.instance_name, cmd.token)
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async def on_REMOVE_PUSHER(
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def on_REMOVE_PUSHER(
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self, conn: AbstractConnection, cmd: RemovePusherCommand
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):
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) -> Optional[Awaitable[None]]:
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remove_pusher_counter.inc()
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if self._is_master:
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await self._store.delete_pusher_by_app_id_pushkey_user_id(
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app_id=cmd.app_id, pushkey=cmd.push_key, user_id=cmd.user_id
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)
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return self._handle_remove_pusher(cmd)
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else:
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return None
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self._notifier.on_new_replication_data()
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async def _handle_remove_pusher(self, cmd: RemovePusherCommand):
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await self._store.delete_pusher_by_app_id_pushkey_user_id(
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app_id=cmd.app_id, pushkey=cmd.push_key, user_id=cmd.user_id
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)
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async def on_USER_IP(self, conn: AbstractConnection, cmd: UserIpCommand):
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self._notifier.on_new_replication_data()
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def on_USER_IP(
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self, conn: AbstractConnection, cmd: UserIpCommand
|
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) -> Optional[Awaitable[None]]:
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user_ip_cache_counter.inc()
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|
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if self._is_master:
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await self._store.insert_client_ip(
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cmd.user_id,
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cmd.access_token,
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cmd.ip,
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cmd.user_agent,
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cmd.device_id,
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cmd.last_seen,
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)
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return self._handle_user_ip(cmd)
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else:
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return None
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if self._server_notices_sender:
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await self._server_notices_sender.on_user_ip(cmd.user_id)
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async def _handle_user_ip(self, cmd: UserIpCommand):
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await self._store.insert_client_ip(
|
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cmd.user_id,
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cmd.access_token,
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cmd.ip,
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cmd.user_agent,
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cmd.device_id,
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cmd.last_seen,
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)
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async def on_RDATA(self, conn: AbstractConnection, cmd: RdataCommand):
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assert self._server_notices_sender is not None
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await self._server_notices_sender.on_user_ip(cmd.user_id)
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def on_RDATA(self, conn: AbstractConnection, cmd: RdataCommand):
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if cmd.instance_name == self._instance_name:
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# Ignore RDATA that are just our own echoes
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return
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@ -382,7 +401,7 @@ class ReplicationCommandHandler:
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# 2. so we don't race with getting a POSITION command and fetching
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# missing RDATA.
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await self._add_command_to_stream_queue(conn, cmd)
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self._add_command_to_stream_queue(conn, cmd)
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async def _process_rdata(
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self, stream_name: str, conn: AbstractConnection, cmd: RdataCommand
|
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@ -459,14 +478,14 @@ class ReplicationCommandHandler:
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stream_name, instance_name, token, rows
|
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)
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async def on_POSITION(self, conn: AbstractConnection, cmd: PositionCommand):
|
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def on_POSITION(self, conn: AbstractConnection, cmd: PositionCommand):
|
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if cmd.instance_name == self._instance_name:
|
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# Ignore POSITION that are just our own echoes
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return
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logger.info("Handling '%s %s'", cmd.NAME, cmd.to_line())
|
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await self._add_command_to_stream_queue(conn, cmd)
|
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self._add_command_to_stream_queue(conn, cmd)
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async def _process_position(
|
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self, stream_name: str, conn: AbstractConnection, cmd: PositionCommand
|
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@ -526,9 +545,7 @@ class ReplicationCommandHandler:
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self._streams_by_connection.setdefault(conn, set()).add(stream_name)
|
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async def on_REMOTE_SERVER_UP(
|
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self, conn: AbstractConnection, cmd: RemoteServerUpCommand
|
||||
):
|
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def on_REMOTE_SERVER_UP(self, conn: AbstractConnection, cmd: RemoteServerUpCommand):
|
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""""Called when get a new REMOTE_SERVER_UP command."""
|
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self._replication_data_handler.on_remote_server_up(cmd.data)
|
||||
|
||||
|
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@ -50,6 +50,7 @@ import abc
|
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import fcntl
|
||||
import logging
|
||||
import struct
|
||||
from inspect import isawaitable
|
||||
from typing import TYPE_CHECKING, List
|
||||
|
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from prometheus_client import Counter
|
||||
@ -128,6 +129,8 @@ class BaseReplicationStreamProtocol(LineOnlyReceiver):
|
||||
|
||||
On receiving a new command it calls `on_<COMMAND_NAME>` with the parsed
|
||||
command before delegating to `ReplicationCommandHandler.on_<COMMAND_NAME>`.
|
||||
`ReplicationCommandHandler.on_<COMMAND_NAME>` can optionally return a coroutine;
|
||||
if so, that will get run as a background process.
|
||||
|
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It also sends `PING` periodically, and correctly times out remote connections
|
||||
(if they send a `PING` command)
|
||||
@ -166,9 +169,9 @@ class BaseReplicationStreamProtocol(LineOnlyReceiver):
|
||||
|
||||
# a logcontext which we use for processing incoming commands. We declare it as a
|
||||
# background process so that the CPU stats get reported to prometheus.
|
||||
self._logging_context = BackgroundProcessLoggingContext(
|
||||
"replication_command_handler-%s" % self.conn_id
|
||||
)
|
||||
ctx_name = "replication-conn-%s" % self.conn_id
|
||||
self._logging_context = BackgroundProcessLoggingContext(ctx_name)
|
||||
self._logging_context.request = ctx_name
|
||||
|
||||
def connectionMade(self):
|
||||
logger.info("[%s] Connection established", self.id())
|
||||
@ -246,18 +249,17 @@ class BaseReplicationStreamProtocol(LineOnlyReceiver):
|
||||
|
||||
tcp_inbound_commands_counter.labels(cmd.NAME, self.name).inc()
|
||||
|
||||
# Now lets try and call on_<CMD_NAME> function
|
||||
run_as_background_process(
|
||||
"replication-" + cmd.get_logcontext_id(), self.handle_command, cmd
|
||||
)
|
||||
self.handle_command(cmd)
|
||||
|
||||
async def handle_command(self, cmd: Command):
|
||||
def handle_command(self, cmd: Command) -> None:
|
||||
"""Handle a command we have received over the replication stream.
|
||||
|
||||
First calls `self.on_<COMMAND>` if it exists, then calls
|
||||
`self.command_handler.on_<COMMAND>` if it exists. This allows for
|
||||
protocol level handling of commands (e.g. PINGs), before delegating to
|
||||
the handler.
|
||||
`self.command_handler.on_<COMMAND>` if it exists (which can optionally
|
||||
return an Awaitable).
|
||||
|
||||
This allows for protocol level handling of commands (e.g. PINGs), before
|
||||
delegating to the handler.
|
||||
|
||||
Args:
|
||||
cmd: received command
|
||||
@ -268,13 +270,22 @@ class BaseReplicationStreamProtocol(LineOnlyReceiver):
|
||||
# specific handling.
|
||||
cmd_func = getattr(self, "on_%s" % (cmd.NAME,), None)
|
||||
if cmd_func:
|
||||
await cmd_func(cmd)
|
||||
cmd_func(cmd)
|
||||
handled = True
|
||||
|
||||
# Then call out to the handler.
|
||||
cmd_func = getattr(self.command_handler, "on_%s" % (cmd.NAME,), None)
|
||||
if cmd_func:
|
||||
await cmd_func(self, cmd)
|
||||
res = cmd_func(self, cmd)
|
||||
|
||||
# the handler might be a coroutine: fire it off as a background process
|
||||
# if so.
|
||||
|
||||
if isawaitable(res):
|
||||
run_as_background_process(
|
||||
"replication-" + cmd.get_logcontext_id(), lambda: res
|
||||
)
|
||||
|
||||
handled = True
|
||||
|
||||
if not handled:
|
||||
@ -350,10 +361,10 @@ class BaseReplicationStreamProtocol(LineOnlyReceiver):
|
||||
for cmd in pending:
|
||||
self.send_command(cmd)
|
||||
|
||||
async def on_PING(self, line):
|
||||
def on_PING(self, line):
|
||||
self.received_ping = True
|
||||
|
||||
async def on_ERROR(self, cmd):
|
||||
def on_ERROR(self, cmd):
|
||||
logger.error("[%s] Remote reported error: %r", self.id(), cmd.data)
|
||||
|
||||
def pauseProducing(self):
|
||||
@ -448,7 +459,7 @@ class ServerReplicationStreamProtocol(BaseReplicationStreamProtocol):
|
||||
self.send_command(ServerCommand(self.server_name))
|
||||
super().connectionMade()
|
||||
|
||||
async def on_NAME(self, cmd):
|
||||
def on_NAME(self, cmd):
|
||||
logger.info("[%s] Renamed to %r", self.id(), cmd.data)
|
||||
self.name = cmd.data
|
||||
|
||||
@ -477,7 +488,7 @@ class ClientReplicationStreamProtocol(BaseReplicationStreamProtocol):
|
||||
# Once we've connected subscribe to the necessary streams
|
||||
self.replicate()
|
||||
|
||||
async def on_SERVER(self, cmd):
|
||||
def on_SERVER(self, cmd):
|
||||
if cmd.data != self.server_name:
|
||||
logger.error("[%s] Connected to wrong remote: %r", self.id(), cmd.data)
|
||||
self.send_error("Wrong remote")
|
||||
|
||||
@ -14,6 +14,7 @@
|
||||
# limitations under the License.
|
||||
|
||||
import logging
|
||||
from inspect import isawaitable
|
||||
from typing import TYPE_CHECKING
|
||||
|
||||
import txredisapi
|
||||
@ -124,36 +125,32 @@ class RedisSubscriber(txredisapi.SubscriberProtocol, AbstractConnection):
|
||||
# remote instances.
|
||||
tcp_inbound_commands_counter.labels(cmd.NAME, "redis").inc()
|
||||
|
||||
# Now lets try and call on_<CMD_NAME> function
|
||||
run_as_background_process(
|
||||
"replication-" + cmd.get_logcontext_id(), self.handle_command, cmd
|
||||
)
|
||||
self.handle_command(cmd)
|
||||
|
||||
async def handle_command(self, cmd: Command):
|
||||
def handle_command(self, cmd: Command) -> None:
|
||||
"""Handle a command we have received over the replication stream.
|
||||
|
||||
By default delegates to on_<COMMAND>, which should return an awaitable.
|
||||
Delegates to `self.handler.on_<COMMAND>` (which can optionally return an
|
||||
Awaitable).
|
||||
|
||||
Args:
|
||||
cmd: received command
|
||||
"""
|
||||
handled = False
|
||||
|
||||
# First call any command handlers on this instance. These are for redis
|
||||
# specific handling.
|
||||
cmd_func = getattr(self, "on_%s" % (cmd.NAME,), None)
|
||||
if cmd_func:
|
||||
await cmd_func(cmd)
|
||||
handled = True
|
||||
|
||||
# Then call out to the handler.
|
||||
cmd_func = getattr(self.handler, "on_%s" % (cmd.NAME,), None)
|
||||
if cmd_func:
|
||||
await cmd_func(self, cmd)
|
||||
handled = True
|
||||
|
||||
if not handled:
|
||||
if not cmd_func:
|
||||
logger.warning("Unhandled command: %r", cmd)
|
||||
return
|
||||
|
||||
res = cmd_func(self, cmd)
|
||||
|
||||
# the handler might be a coroutine: fire it off as a background process
|
||||
# if so.
|
||||
|
||||
if isawaitable(res):
|
||||
run_as_background_process(
|
||||
"replication-" + cmd.get_logcontext_id(), lambda: res
|
||||
)
|
||||
|
||||
def connectionLost(self, reason):
|
||||
logger.info("Lost connection to redis")
|
||||
|
||||
Loading…
Reference in New Issue
Block a user