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Reduce log spam when running multiple event persisters (#12610)

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Erik Johnston 2022-05-05 10:20:23 +01:00 committed by GitHub
parent 2d74a8c178
commit c0379d6e5b
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3 changed files with 17 additions and 2 deletions
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1
changelog.d/12610.misc Normal file
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@ -0,0 +1 @@
Reduce log spam when running multiple event persisters.

9
synapse/replication/tcp/handler.py
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@ -537,7 +537,7 @@ class ReplicationCommandHandler:
# Ignore POSITION that are just our own echoes
return
logger.info("Handling '%s %s'", cmd.NAME, cmd.to_line())
logger.debug("Handling '%s %s'", cmd.NAME, cmd.to_line())
self._add_command_to_stream_queue(conn, cmd)
@ -567,6 +567,11 @@ class ReplicationCommandHandler:
# between then and now.
missing_updates = cmd.prev_token != current_token
while missing_updates:
# Note: There may very well not be any new updates, but we check to
# make sure. This can particularly happen for the event stream where
# event persisters continuously send `POSITION`. See `resource.py`
# for why this can happen.
logger.info(
"Fetching replication rows for '%s' between %i and %i",
stream_name,
@ -590,7 +595,7 @@ class ReplicationCommandHandler:
[stream.parse_row(row) for row in rows],
)
logger.info("Caught up with stream '%s' to %i", stream_name, cmd.new_token)
logger.info("Caught up with stream '%s' to %i", stream_name, cmd.new_token)
# We've now caught up to position sent to us, notify handler.
await self._replication_data_handler.on_position(

9
synapse/replication/tcp/resource.py
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@ -204,6 +204,15 @@ class ReplicationStreamer:
# turns out that e.g. account data streams share
# their "current token" with each other, meaning
# that it is *not* safe to send a POSITION.
# Note: `last_token` may not *actually* be the
# last token we sent out in a RDATA or POSITION.
# This can happen if we sent out an RDATA for
# position X when our current token was say X+1.
# Other workers will see RDATA for X and then a
# POSITION with last token of X+1, which will
# cause them to check if there were any missing
# updates between X and X+1.
logger.info(
"Sending position: %s -> %s",
stream.NAME,