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Reduce activity timer granularity to avoid too many quick updates (SYN-247)

This commit is contained in:
Paul "LeoNerd" Evans 2015-03-23 17:25:44 +00:00
parent 72d8406409
commit ed008e85a8
1 changed files with 8 additions and 0 deletions
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8
synapse/handlers/presence.py
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@ -33,6 +33,10 @@ logger = logging.getLogger(__name__)
metrics = synapse.metrics.get_metrics_for(__name__) metrics = synapse.metrics.get_metrics_for(__name__)
# Don't bother bumping "last active" time if it differs by less than 60 seconds
LAST_ACTIVE_GRANULARITY = 60*1000
# TODO(paul): Maybe there's one of these I can steal from somewhere # TODO(paul): Maybe there's one of these I can steal from somewhere
def partition(l, func): def partition(l, func):
"""Partition the list by the result of func applied to each element.""" """Partition the list by the result of func applied to each element."""
@ -282,6 +286,10 @@ class PresenceHandler(BaseHandler):
if now is None: if now is None:
now = self.clock.time_msec() now = self.clock.time_msec()
prev_state = self._get_or_make_usercache(user)
if now - prev_state.state.get("last_active", 0) < LAST_ACTIVE_GRANULARITY:
return
self.changed_presencelike_data(user, {"last_active": now}) self.changed_presencelike_data(user, {"last_active": now})
def changed_presencelike_data(self, user, state): def changed_presencelike_data(self, user, state):