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Track db txn time in millisecs

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... to reduce the amount of floating-point foo we do.
This commit is contained in:
Richard van der Hoff 2018-01-11 18:17:54 +00:00
parent 44a498418c
commit 6324b65f08
4 changed files with 17 additions and 10 deletions
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4
synapse/http/server.py
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@ -93,6 +93,8 @@ response_db_txn_count = metrics.register_counter(
),
)
# seconds spent waiting for db txns, excluding scheduling time, when processing
# this request
response_db_txn_duration = metrics.register_counter(
"response_db_txn_duration_seconds", labels=["method", "servlet", "tag"],
alternative_names=(
@ -377,7 +379,7 @@ class RequestMetrics(object):
context.db_txn_count, request.method, self.name, tag
)
response_db_txn_duration.inc_by(
context.db_txn_duration, request.method, self.name, tag
context.db_txn_duration_ms / 1000., request.method, self.name, tag
)

6
synapse/http/site.py
View file

@ -66,10 +66,10 @@ class SynapseRequest(Request):
context = LoggingContext.current_context()
ru_utime, ru_stime = context.get_resource_usage()
db_txn_count = context.db_txn_count
db_txn_duration = context.db_txn_duration
db_txn_duration_ms = context.db_txn_duration_ms
except Exception:
ru_utime, ru_stime = (0, 0)
db_txn_count, db_txn_duration = (0, 0)
db_txn_count, db_txn_duration_ms = (0, 0)
self.site.access_logger.info(
"%s - %s - {%s}"
@ -81,7 +81,7 @@ class SynapseRequest(Request):
int(time.time() * 1000) - self.start_time,
int(ru_utime * 1000),
int(ru_stime * 1000),
int(db_txn_duration * 1000),
db_txn_duration_ms,
int(db_txn_count),
self.sentLength,
self.code,