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authorRichard van der Hoff <richard@matrix.org>2018-01-12 00:27:14 +0000
committerRichard van der Hoff <richard@matrix.org>2018-01-16 17:23:32 +0000
commit3d12d97415ac6d6a4ab8188af31c7df12c5d19f8 (patch)
treef1fdd0749715818986f82aa89e8887cd53940b12 /synapse/storage/_base.py
parentMerge branch 'rav/db_txn_time_in_millis' into rav/track_db_scheduling (diff)
downloadsynapse-3d12d97415ac6d6a4ab8188af31c7df12c5d19f8.tar.xz
Track DB scheduling delay per-request
For each request, track the amount of time spent waiting for a db
connection. This entails adding it to the LoggingContext and we may as well add
metrics for it while we are passing.
Diffstat (limited to 'synapse/storage/_base.py')
-rw-r--r--synapse/storage/_base.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index 986617674c..68125006eb 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -347,7 +347,9 @@ class SQLBaseStore(object):
 
         def inner_func(conn, *args, **kwargs):
             with LoggingContext("runWithConnection") as context:
-                sql_scheduling_timer.inc_by(time.time() * 1000 - start_time)
+                sched_duration_ms = time.time() * 1000 - start_time
+                sql_scheduling_timer.inc_by(sched_duration_ms)
+                current_context.add_database_scheduled(sched_duration_ms)
 
                 if self.database_engine.is_connection_closed(conn):
                     logger.debug("Reconnecting closed database connection")