More logging for the linearizer and for get_events

This commit is contained in:
Mark Haines 2017-01-05 12:32:47 +00:00
parent e1c5463efc
commit dd3df11c55
2 changed files with 13 additions and 2 deletions

View file

@ -1084,8 +1084,10 @@ class EventsStore(SQLBaseStore):
self._do_fetch
)
logger.info("Loading %d events", len(events))
with PreserveLoggingContext():
rows = yield events_d
logger.info("Loaded %d events (%d rows)", len(events), len(rows))
if not allow_rejected:
rows[:] = [r for r in rows if not r["rejects"]]

View file

@ -166,7 +166,11 @@ class Linearizer(object):
# do some work.
"""
def __init__(self):
def __init__(self, name=None):
if name is None:
self.name = id(self)
else:
self.name = name
self.key_to_defer = {}
@defer.inlineCallbacks
@ -185,15 +189,20 @@ class Linearizer(object):
self.key_to_defer[key] = new_defer
if current_defer:
logger.info("Waiting to acquire linearizer lock for key %r", key)
logger.info(
"Waiting to acquire linearizer lock %r for key %r", self.name, key
)
with PreserveLoggingContext():
yield current_defer
logger.info("Acquired linearizer lock %r for key %r", self.name, key)
@contextmanager
def _ctx_manager():
try:
yield
finally:
logger.info("Releasing linearizer lock %r for key %r", self.name, key)
new_defer.callback(None)
current_d = self.key_to_defer.get(key)
if current_d is new_defer: