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Add a config option for torture-testing worker replication. (#4902)

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Setting this to 50 or so makes a bunch of sytests fail in worker mode.
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Richard van der Hoff 2019-03-20 16:04:35 +00:00 • committed by GitHub
parent a902d13180
commit cdb8036161
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3 changed files with 23 additions and 1 deletions
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18
synapse/replication/tcp/resource.py
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@ -16,6 +16,7 @@
"""
import logging
import random
from six import itervalues
@ -74,6 +75,8 @@ class ReplicationStreamer(object):
self.notifier = hs.get_notifier()
self._server_notices_sender = hs.get_server_notices_sender()
self._replication_torture_level = hs.config.replication_torture_level
# Current connections.
self.connections = []
@ -157,10 +160,23 @@ class ReplicationStreamer(object):
for stream in self.streams:
stream.advance_current_token()
for stream in self.streams:
all_streams = self.streams
if self._replication_torture_level is not None:
# there is no guarantee about ordering between the streams,
# so let's shuffle them around a bit when we are in torture mode.
all_streams = list(all_streams)
random.shuffle(all_streams)
for stream in all_streams:
if stream.last_token == stream.upto_token:
continue
if self._replication_torture_level:
yield self.clock.sleep(
self._replication_torture_level / 1000.0
)
logger.debug(
"Getting stream: %s: %s -> %s",
stream.NAME, stream.last_token, stream.upto_token