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Add ability to shard the federation sender (#7798)

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Erik Johnston 2020-07-10 18:26:36 +01:00 • committed by GitHub
parent f1245dc3c0
commit f299441cc6
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15 changed files with 670 additions and 157 deletions
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22
synapse/federation/sender/per_destination_queue.py
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@ -74,6 +74,20 @@ class PerDestinationQueue(object):
self._clock = hs.get_clock()
self._store = hs.get_datastore()
self._transaction_manager = transaction_manager
self._instance_name = hs.get_instance_name()
self._federation_shard_config = hs.config.federation.federation_shard_config
self._should_send_on_this_instance = True
if not self._federation_shard_config.should_send_to(
self._instance_name, destination
):
# We don't raise an exception here to avoid taking out any other
# processing. We have a guard in `attempt_new_transaction` that
# ensure we don't start sending stuff.
logger.error(
"Create a per destination queue for %s on wrong worker", destination,
)
self._should_send_on_this_instance = False
self._destination = destination
self.transmission_loop_running = False
@ -180,6 +194,14 @@ class PerDestinationQueue(object):
logger.debug("TX [%s] Transaction already in progress", self._destination)
return
if not self._should_send_on_this_instance:
# We don't raise an exception here to avoid taking out any other
# processing.
logger.error(
"Trying to start a transaction to %s on wrong worker", self._destination
)
return
logger.debug("TX [%s] Starting transaction loop", self._destination)
run_as_background_process(