From 4b2ad549d5a1dcf5c05f890c0383626d6c042fd0 Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Tue, 26 Aug 2014 14:31:48 +0100 Subject: Move the event storage into a single transaction --- synapse/storage/__init__.py | 59 +++++++++++++++++++++++-------------------- synapse/storage/_base.py | 12 +++++---- synapse/storage/feedback.py | 4 +-- synapse/storage/room.py | 10 +++++--- synapse/storage/roommember.py | 10 ++++---- synapse/storage/stream.py | 13 ++++++---- 6 files changed, 60 insertions(+), 48 deletions(-) diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index d23df15092..30dc8a50cf 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -57,19 +57,21 @@ class DataStore(RoomMemberStore, RoomStore, @defer.inlineCallbacks @log_function def persist_event(self, event, backfilled=False): - if event.type == RoomMemberEvent.TYPE: - yield self._store_room_member(event) - elif event.type == FeedbackEvent.TYPE: - yield self._store_feedback(event) -# elif event.type == RoomConfigEvent.TYPE: -# yield self._store_room_config(event) - elif event.type == RoomNameEvent.TYPE: - yield self._store_room_name(event) - elif event.type == RoomTopicEvent.TYPE: - yield self._store_room_topic(event) + # FIXME (erikj): This should be removed when we start amalgamating + # event and pdu storage + yield self.hs.get_federation().fill_out_prev_events(event) - ret = yield self._store_event(event, backfilled) - defer.returnValue(ret) + stream_ordering = None + if backfilled: + if not self.min_token_deferred.called: + yield self.min_token_deferred + self.min_token -= 1 + stream_ordering = self.min_token + + latest = yield self._db_pool.runInteraction( + _persist_event_txn, event, backfilled, stream_ordering + ) + defer.returnValue(latest) @defer.inlineCallbacks def get_event(self, event_id): @@ -89,12 +91,18 @@ class DataStore(RoomMemberStore, RoomStore, event = self._parse_event_from_row(events_dict) defer.returnValue(event) - @defer.inlineCallbacks @log_function - def _store_event(self, event, backfilled): - # FIXME (erikj): This should be removed when we start amalgamating - # event and pdu storage - yield self.hs.get_federation().fill_out_prev_events(event) + def _persist_event_txn(self, txn, event, backfilled, stream_ordering=None): + if event.type == RoomMemberEvent.TYPE: + self._store_room_member_txn(txn, event) + elif event.type == FeedbackEvent.TYPE: + self._store_feedback_txn(txn,event) +# elif event.type == RoomConfigEvent.TYPE: +# self._store_room_config_txn(txn, event) + elif event.type == RoomNameEvent.TYPE: + self._store_room_name_txn(txn, event) + elif event.type == RoomTopicEvent.TYPE: + self._store_room_topic_txn(txn, event) vals = { "topological_ordering": event.depth, @@ -105,11 +113,8 @@ class DataStore(RoomMemberStore, RoomStore, "processed": True, } - if backfilled: - if not self.min_token_deferred.called: - yield self.min_token_deferred - self.min_token -= 1 - vals["stream_ordering"] = self.min_token + if stream_ordering is not None: + vals["stream_ordering"] = stream_ordering unrec = { k: v @@ -119,7 +124,7 @@ class DataStore(RoomMemberStore, RoomStore, vals["unrecognized_keys"] = json.dumps(unrec) try: - yield self._simple_insert("events", vals) + self._simple_insert_txn(txn, "events", vals) except: logger.exception( "Failed to persist, probably duplicate: %s", @@ -138,9 +143,10 @@ class DataStore(RoomMemberStore, RoomStore, if hasattr(event, "prev_state"): vals["prev_state"] = event.prev_state - yield self._simple_insert("state_events", vals) + self._simple_insert_txn(txn, "state_events", vals) - yield self._simple_insert( + self._simple_insert_txn( + txn "current_state_events", { "event_id": event.event_id, @@ -150,8 +156,7 @@ class DataStore(RoomMemberStore, RoomStore, } ) - latest = yield self.get_room_events_max_id() - defer.returnValue(latest) + return self._get_room_events_max_id_(txn) @defer.inlineCallbacks def get_current_state(self, room_id, event_type=None, state_key=""): diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index 36cc57c1b8..cfbe85d798 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -86,16 +86,18 @@ class SQLBaseStore(object): table : string giving the table name values : dict of new column names and values for them """ + return self._db_pool.runInteraction( + self._simple_insert_txn, table, values, + ) + + def _simple_insert_txn(self, txn, table, values): sql = "INSERT INTO %s (%s) VALUES(%s)" % ( table, ", ".join(k for k in values), ", ".join("?" for k in values) ) - - def func(txn): - txn.execute(sql, values.values()) - return txn.lastrowid - return self._db_pool.runInteraction(func) + txn.execute(sql, values.values()) + return txn.lastrowid def _simple_select_one(self, table, keyvalues, retcols, allow_none=False): diff --git a/synapse/storage/feedback.py b/synapse/storage/feedback.py index e60f98d1e1..d2d1e1d1e8 100644 --- a/synapse/storage/feedback.py +++ b/synapse/storage/feedback.py @@ -24,8 +24,8 @@ import json class FeedbackStore(SQLBaseStore): - def _store_feedback(self, event): - return self._simple_insert("feedback", { + def _store_feedback_txn(self, txn, event): + self._simple_insert_txn(txn, "feedback", { "event_id": event.event_id, "feedback_type": event.feedback_type, "room_id": event.room_id, diff --git a/synapse/storage/room.py b/synapse/storage/room.py index 22f2dcca45..1ae3220197 100644 --- a/synapse/storage/room.py +++ b/synapse/storage/room.py @@ -131,8 +131,9 @@ class RoomStore(SQLBaseStore): defer.returnValue(ret) - def _store_room_topic(self, event): - return self._simple_insert( + def _store_room_topic_txn(self, txn, event): + self._simple_insert_txn( + txn, "topics", { "event_id": event.event_id, @@ -141,8 +142,9 @@ class RoomStore(SQLBaseStore): } ) - def _store_room_name(self, event): - return self._simple_insert( + def _store_room_name_txn(self, txn, event): + self._simple_insert_txn( + txn, "room_names", { "event_id": event.event_id, diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py index 89c87290cf..1df043cd36 100644 --- a/synapse/storage/roommember.py +++ b/synapse/storage/roommember.py @@ -31,13 +31,13 @@ logger = logging.getLogger(__name__) class RoomMemberStore(SQLBaseStore): - @defer.inlineCallbacks - def _store_room_member(self, event): + def _store_room_member_txn(self, txn, event): """Store a room member in the database. """ domain = self.hs.parse_userid(event.target_user_id).domain - yield self._simple_insert( + self._simple_insert_txn( + txn, "room_memberships", { "event_id": event.event_id, @@ -54,13 +54,13 @@ class RoomMemberStore(SQLBaseStore): "INSERT OR IGNORE INTO room_hosts (room_id, host) " "VALUES (?, ?)" ) - yield self._execute(None, sql, event.room_id, domain) + txn.execute(sql, event.room_id, domain) else: sql = ( "DELETE FROM room_hosts WHERE room_id = ? AND host = ?" ) - yield self._execute(None, sql, event.room_id, domain) + txn.execute(sql, event.room_id, domain) @defer.inlineCallbacks def get_room_member(self, user_id, room_id): diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py index e994017bf2..7460bf28d7 100644 --- a/synapse/storage/stream.py +++ b/synapse/storage/stream.py @@ -283,17 +283,20 @@ class StreamStore(SQLBaseStore): ) ) - @defer.inlineCallbacks def get_room_events_max_id(self): - res = yield self._execute_and_decode( + return self._db_pool.runInteraction(self._get_room_events_max_id_txn) + + def _get_room_events_max_id_txn(self, txn): + txn.execute( "SELECT MAX(stream_ordering) as m FROM events" ) + res = self.cursor_to_dict(txn) + logger.debug("get_room_events_max_id: %s", res) if not res or not res[0] or not res[0]["m"]: - defer.returnValue("s1") - return + return "s1" key = res[0]["m"] + 1 - defer.returnValue("s%d" % (key,)) + return "s%d" % (key,) -- cgit 1.4.1