Merge pull request #429 from matrix-org/markjh/db_counters

Track the time spent in the database per request.

1 files changed, 15 insertions, 0 deletions

diff --git a/synapse/http/server.py b/synapse/http/server.py
index 06fb53707b..c44bdfc888 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -61,6 +61,15 @@ response_ru_stime = metrics.register_distribution(
     "response_ru_stime", labels=["method", "servlet"]
 )
 
+response_db_txn_count = metrics.register_distribution(
+    "response_db_txn_count", labels=["method", "servlet"]
+)
+
+response_db_txn_duration = metrics.register_distribution(
+    "response_db_txn_duration", labels=["method", "servlet"]
+)
+
+
 _next_request_id = 0
 
 
@@ -235,6 +244,12 @@ class JsonResource(HttpServer, resource.Resource):
 
                 response_ru_utime.inc_by(ru_utime, request.method, servlet_classname)
                 response_ru_stime.inc_by(ru_stime, request.method, servlet_classname)
+                response_db_txn_count.inc_by(
+                    context.db_txn_count, request.method, servlet_classname
+                )
+                response_db_txn_duration.inc_by(
+                    context.db_txn_duration, request.method, servlet_classname
+                )
             except:
                 pass