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add some logging for the keyring queue
why is it so damn slow?
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parent
4f8baab0c4
commit
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@ -40,6 +40,7 @@ from synapse.api.errors import Codes, SynapseError
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from synapse.crypto.keyclient import fetch_server_key
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from synapse.util import logcontext, unwrapFirstError
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from synapse.util.logcontext import (
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LoggingContext,
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PreserveLoggingContext,
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preserve_fn,
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run_in_background,
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@ -216,23 +217,34 @@ class Keyring(object):
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servers have completed. Follows the synapse rules of logcontext
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preservation.
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"""
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loop_count = 1
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while True:
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wait_on = [
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self.key_downloads[server_name]
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(server_name, self.key_downloads[server_name])
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for server_name in server_names
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if server_name in self.key_downloads
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]
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if wait_on:
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with PreserveLoggingContext():
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yield defer.DeferredList(wait_on)
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else:
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if not wait_on:
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break
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logger.info(
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"Waiting for existing lookups for %s to complete [loop %i]",
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[w[0] for w in wait_on], loop_count,
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)
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with PreserveLoggingContext():
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yield defer.DeferredList((w[1] for w in wait_on))
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loop_count += 1
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ctx = LoggingContext.current_context()
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def rm(r, server_name_):
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self.key_downloads.pop(server_name_, None)
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with PreserveLoggingContext(ctx):
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logger.debug("Releasing key lookup lock on %s", server_name_)
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self.key_downloads.pop(server_name_, None)
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return r
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for server_name, deferred in server_to_deferred.items():
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logger.debug("Got key lookup lock on %s", server_name)
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self.key_downloads[server_name] = deferred
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deferred.addBoth(rm, server_name)
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