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Merge pull request #569 from matrix-org/erikj/initial_sync
Improvements to initial /syncs
This commit is contained in:
Erik Johnston
commit
4a2ace1857
@ -18,7 +18,7 @@ from ._base import BaseHandler
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from synapse.streams.config import PaginationConfig
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from synapse.api.constants import Membership, EventTypes
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from synapse.util import unwrapFirstError
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from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
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from synapse.util.logcontext import LoggingContext, preserve_fn
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from synapse.util.metrics import Measure
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from twisted.internet import defer
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@ -228,10 +228,14 @@ class SyncHandler(BaseHandler):
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invited = []
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archived = []
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deferreds = []
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for event in room_list:
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room_list_chunks = [room_list[i:i + 10] for i in xrange(0, len(room_list), 10)]
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for room_list_chunk in room_list_chunks:
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for event in room_list_chunk:
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if event.membership == Membership.JOIN:
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with PreserveLoggingContext(LoggingContext.current_context()):
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room_sync_deferred = self.full_state_sync_for_joined_room(
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room_sync_deferred = preserve_fn(
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self.full_state_sync_for_joined_room
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)(
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room_id=event.room_id,
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sync_config=sync_config,
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now_token=now_token,
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@ -252,8 +256,9 @@ class SyncHandler(BaseHandler):
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leave_token = now_token.copy_and_replace(
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"room_key", "s%d" % (event.stream_ordering,)
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)
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with PreserveLoggingContext(LoggingContext.current_context()):
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room_sync_deferred = self.full_state_sync_for_archived_room(
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room_sync_deferred = preserve_fn(
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self.full_state_sync_for_archived_room
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)(
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sync_config=sync_config,
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room_id=event.room_id,
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leave_event_id=event.event_id,
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@ -171,15 +171,10 @@ class StateStore(SQLBaseStore):
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events = yield self._get_events(event_ids, get_prev_content=False)
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defer.returnValue(events)
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def _get_state_groups_from_groups(self, groups_and_types):
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def _get_state_groups_from_groups(self, groups, types):
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"""Returns dictionary state_group -> state event ids
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Args:
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groups_and_types (list): list of 2-tuple (`group`, `types`)
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"""
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def f(txn):
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results = {}
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for group, types in groups_and_types:
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def f(txn, groups):
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if types is not None:
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where_clause = "AND (%s)" % (
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" OR ".join(["(type = ? AND state_key = ?)"] * len(types)),
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@ -188,23 +183,30 @@ class StateStore(SQLBaseStore):
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where_clause = ""
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sql = (
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"SELECT event_id FROM state_groups_state WHERE"
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" state_group = ? %s"
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) % (where_clause,)
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"SELECT state_group, event_id FROM state_groups_state WHERE"
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" state_group IN (%s) %s" % (
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",".join("?" for _ in groups),
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where_clause,
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)
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)
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args = [group]
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args = list(groups)
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if types is not None:
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args.extend([i for typ in types for i in typ])
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txn.execute(sql, args)
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rows = self.cursor_to_dict(txn)
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results[group] = [r[0] for r in txn.fetchall()]
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results = {}
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for row in rows:
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results.setdefault(row["state_group"], []).append(row["event_id"])
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return results
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chunks = [groups[i:i + 100] for i in xrange(0, len(groups), 100)]
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for chunk in chunks:
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return self.runInteraction(
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"_get_state_groups_from_groups",
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f,
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f, chunk
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)
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@defer.inlineCallbacks
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@ -264,26 +266,20 @@ class StateStore(SQLBaseStore):
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)
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@cachedList(cache=_get_state_group_for_event.cache, list_name="event_ids",
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num_args=1)
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num_args=1, inlineCallbacks=True)
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def _get_state_group_for_events(self, event_ids):
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"""Returns mapping event_id -> state_group
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"""
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def f(txn):
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results = {}
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for event_id in event_ids:
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results[event_id] = self._simple_select_one_onecol_txn(
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txn,
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rows = yield self._simple_select_many_batch(
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table="event_to_state_groups",
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keyvalues={
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"event_id": event_id,
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},
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retcol="state_group",
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allow_none=True,
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column="event_id",
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iterable=event_ids,
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keyvalues={},
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retcols=("event_id", "state_group",),
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desc="_get_state_group_for_events",
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)
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return results
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return self.runInteraction("_get_state_group_for_events", f)
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defer.returnValue({row["event_id"]: row["state_group"] for row in rows})
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def _get_some_state_from_cache(self, group, types):
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"""Checks if group is in cache. See `_get_state_for_groups`
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@ -355,7 +351,7 @@ class StateStore(SQLBaseStore):
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all events are returned.
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"""
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results = {}
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missing_groups_and_types = []
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missing_groups = []
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if types is not None:
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for group in set(groups):
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state_dict, missing_types, got_all = self._get_some_state_from_cache(
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@ -364,7 +360,7 @@ class StateStore(SQLBaseStore):
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results[group] = state_dict
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if not got_all:
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missing_groups_and_types.append((group, missing_types))
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missing_groups.append(group)
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else:
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for group in set(groups):
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state_dict, got_all = self._get_all_state_from_cache(
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@ -373,9 +369,9 @@ class StateStore(SQLBaseStore):
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results[group] = state_dict
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if not got_all:
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missing_groups_and_types.append((group, None))
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missing_groups.append(group)
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if not missing_groups_and_types:
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if not missing_groups:
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defer.returnValue({
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group: {
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type_tuple: event
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@ -389,7 +385,7 @@ class StateStore(SQLBaseStore):
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cache_seq_num = self._state_group_cache.sequence
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group_state_dict = yield self._get_state_groups_from_groups(
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missing_groups_and_types
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missing_groups, types
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)
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state_events = yield self._get_events(
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