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Merge pull request #832 from matrix-org/erikj/presence_coount

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Change def of small delta in presence stream. Add metrics.
This commit is contained in:
Erik Johnston 2016-06-03 14:57:00 +01:00
commit 51773bcbaf
1 changed files with 9 additions and 5 deletions
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14
synapse/handlers/presence.py
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@ -50,6 +50,8 @@ timers_fired_counter = metrics.register_counter("timers_fired")
federation_presence_counter = metrics.register_counter("federation_presence") federation_presence_counter = metrics.register_counter("federation_presence")
bump_active_time_counter = metrics.register_counter("bump_active_time") bump_active_time_counter = metrics.register_counter("bump_active_time")
get_updates_counter = metrics.register_counter("get_updates", labels=["type"])
# If a user was last active in the last LAST_ACTIVE_GRANULARITY, consider them # If a user was last active in the last LAST_ACTIVE_GRANULARITY, consider them
# "currently_active" # "currently_active"
@ -974,13 +976,13 @@ class PresenceEventSource(object):
user_ids_changed = set() user_ids_changed = set()
changed = None changed = None
if from_key and max_token - from_key < 100: if from_key:
# For small deltas, its quicker to get all changes and then
# work out if we share a room or they're in our presence list
changed = stream_change_cache.get_all_entities_changed(from_key) changed = stream_change_cache.get_all_entities_changed(from_key)
# get_all_entities_changed can return None if changed is not None and len(changed) < 500:
if changed is not None: # For small deltas, its quicker to get all changes and then
# work out if we share a room or they're in our presence list
get_updates_counter.inc("stream")
for other_user_id in changed: for other_user_id in changed:
if other_user_id in friends: if other_user_id in friends:
user_ids_changed.add(other_user_id) user_ids_changed.add(other_user_id)
@ -992,6 +994,8 @@ class PresenceEventSource(object):
else: else:
# Too many possible updates. Find all users we can see and check # Too many possible updates. Find all users we can see and check
# if any of them have changed. # if any of them have changed.
get_updates_counter.inc("full")
user_ids_to_check = set() user_ids_to_check = set()
for room_id in room_ids: for room_id in room_ids:
users = yield self.store.get_users_in_room(room_id) users = yield self.store.get_users_in_room(room_id)