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Make _state_groups_id_gen a normal IdGenerator

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This commit is contained in:
Erik Johnston 2016-08-30 16:54:40 +01:00
parent 3e784eff74
commit 5dc2a702cf
3 changed files with 39 additions and 47 deletions
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2
synapse/storage/__init__.py
View File

@ -115,7 +115,7 @@ class DataStore(RoomMemberStore, RoomStore,
)
self._transaction_id_gen = IdGenerator(db_conn, "sent_transactions", "id")
self._state_groups_id_gen = StreamIdGenerator(db_conn, "state_groups", "id")
self._state_groups_id_gen = IdGenerator(db_conn, "state_groups", "id")
self._access_tokens_id_gen = IdGenerator(db_conn, "access_tokens", "id")
self._refresh_tokens_id_gen = IdGenerator(db_conn, "refresh_tokens", "id")
self._event_reports_id_gen = IdGenerator(db_conn, "event_reports", "id")

81
synapse/storage/events.py
View File

@ -271,39 +271,35 @@ class EventsStore(SQLBaseStore):
len(events_and_contexts)
)
state_group_id_manager = self._state_groups_id_gen.get_next_mult(
len(events_and_contexts)
)
with stream_ordering_manager as stream_orderings:
with state_group_id_manager as state_group_ids:
for (event, context), stream, state_group_id in zip(
events_and_contexts, stream_orderings, state_group_ids
):
event.internal_metadata.stream_ordering = stream
# Assign a state group_id in case a new id is needed for
# this context. In theory we only need to assign this
# for contexts that have current_state and aren't outliers
# but that make the code more complicated. Assigning an ID
# per event only causes the state_group_ids to grow as fast
# as the stream_ordering so in practise shouldn't be a problem.
context.new_state_group_id = state_group_id
for (event, context), stream, in zip(
events_and_contexts, stream_orderings
):
event.internal_metadata.stream_ordering = stream
# Assign a state group_id in case a new id is needed for
# this context. In theory we only need to assign this
# for contexts that have current_state and aren't outliers
# but that make the code more complicated. Assigning an ID
# per event only causes the state_group_ids to grow as fast
# as the stream_ordering so in practise shouldn't be a problem.
context.new_state_group_id = self._state_groups_id_gen.get_next()
chunks = [
events_and_contexts[x:x + 100]
for x in xrange(0, len(events_and_contexts), 100)
]
chunks = [
events_and_contexts[x:x + 100]
for x in xrange(0, len(events_and_contexts), 100)
]
for chunk in chunks:
# We can't easily parallelize these since different chunks
# might contain the same event. :(
yield self.runInteraction(
"persist_events",
self._persist_events_txn,
events_and_contexts=chunk,
backfilled=backfilled,
delete_existing=delete_existing,
)
persist_event_counter.inc_by(len(chunk))
for chunk in chunks:
# We can't easily parallelize these since different chunks
# might contain the same event. :(
yield self.runInteraction(
"persist_events",
self._persist_events_txn,
events_and_contexts=chunk,
backfilled=backfilled,
delete_existing=delete_existing,
)
persist_event_counter.inc_by(len(chunk))
@_retry_on_integrity_error
@defer.inlineCallbacks
@ -312,19 +308,18 @@ class EventsStore(SQLBaseStore):
delete_existing=False):
try:
with self._stream_id_gen.get_next() as stream_ordering:
with self._state_groups_id_gen.get_next() as state_group_id:
event.internal_metadata.stream_ordering = stream_ordering
context.new_state_group_id = state_group_id
yield self.runInteraction(
"persist_event",
self._persist_event_txn,
event=event,
context=context,
current_state=current_state,
backfilled=backfilled,
delete_existing=delete_existing,
)
persist_event_counter.inc()
event.internal_metadata.stream_ordering = stream_ordering
context.new_state_group_id = self._state_groups_id_gen.get_next()
yield self.runInteraction(
"persist_event",
self._persist_event_txn,
event=event,
context=context,
current_state=current_state,
backfilled=backfilled,
delete_existing=delete_existing,
)
persist_event_counter.inc()
except _RollbackButIsFineException:
pass

3
synapse/storage/state.py
View File

@ -526,6 +526,3 @@ class StateStore(SQLBaseStore):
return self.runInteraction(
"get_all_new_state_groups", get_all_new_state_groups_txn
)
def get_state_stream_token(self):
return self._state_groups_id_gen.get_current_token()