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Avoid raising exceptions in metrics 

Sentry will catch the errors if they happen, so that should be good enough, and
woun't make things explode if we hit the error condition.
This commit is contained in:
Richard van der Hoff 2019-06-24 10:01:16 +01:00
parent 5097aee740
commit dc94773e60
1 changed files with 14 additions and 8 deletions
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22
synapse/util/logcontext.py
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@ -374,20 +374,26 @@ class LoggingContext(object):
# sanity check # sanity check
if utime_delta < 0: if utime_delta < 0:
raise ValueError("utime went backwards! %f < %f" % ( logger.error(
current.ru_utime, self.usage_start.ru_utime, "utime went backwards! %f < %f",
)) current.ru_utime,
self.usage_start.ru_utime,
)
utime_delta = 0
if stime_delta < 0: if stime_delta < 0:
raise ValueError("stime went backwards! %f < %f" % ( logger.error(
current.ru_stime, self.usage_start.ru_stime, "stime went backwards! %f < %f",
)) current.ru_stime,
self.usage_start.ru_stime,
)
stime_delta = 0
return utime_delta, stime_delta return utime_delta, stime_delta
def add_database_transaction(self, duration_sec): def add_database_transaction(self, duration_sec):
if duration_sec < 0: if duration_sec < 0:
raise ValueError('DB txn time can only be non-negative') raise ValueError("DB txn time can only be non-negative")
self._resource_usage.db_txn_count += 1 self._resource_usage.db_txn_count += 1
self._resource_usage.db_txn_duration_sec += duration_sec self._resource_usage.db_txn_duration_sec += duration_sec
@ -399,7 +405,7 @@ class LoggingContext(object):
connection connection
""" """
if sched_sec < 0: if sched_sec < 0:
raise ValueError('DB scheduling time can only be non-negative') raise ValueError("DB scheduling time can only be non-negative")
self._resource_usage.db_sched_duration_sec += sched_sec self._resource_usage.db_sched_duration_sec += sched_sec
def record_event_fetch(self, event_count): def record_event_fetch(self, event_count):