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Advance replication streams even if nothing is listening

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Otherwise the streams don't advance and steadily fall behind, so when a
worker does connect either a) they'll be streamed lots of old updates or
b) the connection will fail as the streams are too far behind.
This commit is contained in:
Erik Johnston 2017-04-04 13:19:26 +01:00
parent 27cc627e42
commit 023ee197be
3 changed files with 15 additions and 6 deletions
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7
synapse/replication/tcp/streams.py
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@ -89,6 +89,13 @@ class Stream(object):
"""
self.upto_token = self.current_token()
def discard_updates_and_advance(self):
"""Called when the stream should advance but the updates would be discarded,
e.g. when there are no currently connected workers.
"""
self.upto_token = self.current_token()
self.last_token = self.upto_token
@defer.inlineCallbacks
def get_updates(self):
"""Gets all updates since the last time this function was called (or