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This commit is contained in:
Erik Johnston 2015-05-21 11:18:22 +01:00
parent 9118a92862
commit 80a167b1f0
1 changed files with 14 additions and 3 deletions
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17
synapse/storage/events.py
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@ -35,6 +35,16 @@ import simplejson as json
logger = logging.getLogger(__name__)
# These values are used in the `enqueus_event` and `_do_fetch` methods to
# control how we batch/bulk fetch events from the database.
# The values are plucked out of thing air to make initial sync run faster
# on jki.re
# TODO: Make these configurable.
EVENT_QUEUE_THREADS = 3 # Max number of threads that will fetch events
EVENT_QUEUE_ITERATIONS = 3 # No. times we block waiting for events
EVENT_QUEUE_TIMEOUT_S = 0.1 # Timeout when waiting for events
class EventsStore(SQLBaseStore):
@defer.inlineCallbacks
@log_function
@ -518,11 +528,12 @@ class EventsStore(SQLBaseStore):
self._event_fetch_list = []
if not event_list:
if self.database_engine.single_threaded or i > 3:
single_threaded = self.database_engine.single_threaded
if single_threaded or i > EVENT_QUEUE_ITERATIONS:
self._event_fetch_ongoing -= 1
return
else:
self._event_fetch_lock.wait(0.1)
self._event_fetch_lock.wait(EVENT_QUEUE_TIMEOUT_S)
i += 1
continue
i = 0
@ -584,7 +595,7 @@ class EventsStore(SQLBaseStore):
self._event_fetch_lock.notify()
if self._event_fetch_ongoing < 3:
if self._event_fetch_ongoing < EVENT_QUEUE_THREADS:
self._event_fetch_ongoing += 1
should_start = True
else: