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Fix broken cache for getting retry times. This meant we retried remote destinations way more frequently than we should

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This commit is contained in:
Erik Johnston 2015-11-03 16:23:35 +00:00
parent 3eb62873f6
commit 7ce264ce5f
2 changed files with 40 additions and 55 deletions
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47
synapse/federation/transaction_queue.py
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@ -202,19 +202,6 @@ class TransactionQueue(object):
@defer.inlineCallbacks
@log_function
def _attempt_new_transaction(self, destination):
if destination in self.pending_transactions:
# XXX: pending_transactions can get stuck on by a never-ending
# request at which point pending_pdus_by_dest just keeps growing.
# we need application-layer timeouts of some flavour of these
# requests
logger.debug(
"TX [%s] Transaction already in progress",
destination
)
return
logger.debug("TX [%s] _attempt_new_transaction", destination)
# list of (pending_pdu, deferred, order)
pending_pdus = self.pending_pdus_by_dest.pop(destination, [])
pending_edus = self.pending_edus_by_dest.pop(destination, [])
@ -228,20 +215,34 @@ class TransactionQueue(object):
logger.debug("TX [%s] Nothing to send", destination)
return
# Sort based on the order field
pending_pdus.sort(key=lambda t: t[2])
pdus = [x[0] for x in pending_pdus]
edus = [x[0] for x in pending_edus]
failures = [x[0].get_dict() for x in pending_failures]
deferreds = [
x[1]
for x in pending_pdus + pending_edus + pending_failures
]
if destination in self.pending_transactions:
# XXX: pending_transactions can get stuck on by a never-ending
# request at which point pending_pdus_by_dest just keeps growing.
# we need application-layer timeouts of some flavour of these
# requests
logger.debug(
"TX [%s] Transaction already in progress",
destination
)
return
# NOTE: Nothing should be between the above check and the insertion below
try:
self.pending_transactions[destination] = 1
logger.debug("TX [%s] _attempt_new_transaction", destination)
# Sort based on the order field
pending_pdus.sort(key=lambda t: t[2])
pdus = [x[0] for x in pending_pdus]
edus = [x[0] for x in pending_edus]
failures = [x[0].get_dict() for x in pending_failures]
deferreds = [
x[1]
for x in pending_pdus + pending_edus + pending_failures
]
txn_id = str(self._next_txn_id)
limiter = yield get_retry_limiter(