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-rw-r--r--synapse/http/server.py85
-rw-r--r--synapse/http/site.py10
2 files changed, 67 insertions, 28 deletions
diff --git a/synapse/http/server.py b/synapse/http/server.py
index 6e8f4c9c5f..165c684d0d 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -42,36 +42,70 @@ logger = logging.getLogger(__name__)
 
 metrics = synapse.metrics.get_metrics_for(__name__)
 
-incoming_requests_counter = metrics.register_counter(
-    "requests",
+# total number of responses served, split by method/servlet/tag
+response_count = metrics.register_counter(
+    "response_count",
     labels=["method", "servlet", "tag"],
+    alternative_names=(
+        # the following are all deprecated aliases for the same metric
+        metrics.name_prefix + x for x in (
+            "_requests",
+            "_response_time:count",
+            "_response_ru_utime:count",
+            "_response_ru_stime:count",
+            "_response_db_txn_count:count",
+            "_response_db_txn_duration:count",
+        )
+    )
 )
+
 outgoing_responses_counter = metrics.register_counter(
     "responses",
     labels=["method", "code"],
 )
 
-response_timer = metrics.register_distribution(
-    "response_time",
-    labels=["method", "servlet", "tag"]
+response_timer = metrics.register_counter(
+    "response_time_seconds",
+    labels=["method", "servlet", "tag"],
+    alternative_names=(
+        metrics.name_prefix + "_response_time:total",
+    ),
 )
 
-response_ru_utime = metrics.register_distribution(
-    "response_ru_utime", labels=["method", "servlet", "tag"]
+response_ru_utime = metrics.register_counter(
+    "response_ru_utime_seconds", labels=["method", "servlet", "tag"],
+    alternative_names=(
+        metrics.name_prefix + "_response_ru_utime:total",
+    ),
 )
 
-response_ru_stime = metrics.register_distribution(
-    "response_ru_stime", labels=["method", "servlet", "tag"]
+response_ru_stime = metrics.register_counter(
+    "response_ru_stime_seconds", labels=["method", "servlet", "tag"],
+    alternative_names=(
+        metrics.name_prefix + "_response_ru_stime:total",
+    ),
 )
 
-response_db_txn_count = metrics.register_distribution(
-    "response_db_txn_count", labels=["method", "servlet", "tag"]
+response_db_txn_count = metrics.register_counter(
+    "response_db_txn_count", labels=["method", "servlet", "tag"],
+    alternative_names=(
+        metrics.name_prefix + "_response_db_txn_count:total",
+    ),
 )
 
-response_db_txn_duration = metrics.register_distribution(
-    "response_db_txn_duration", labels=["method", "servlet", "tag"]
+# 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=(
+        metrics.name_prefix + "_response_db_txn_duration:total",
+    ),
 )
 
+# seconds spent waiting for a db connection, when processing this request
+response_db_sched_duration = metrics.register_counter(
+    "response_db_sched_duration_seconds", labels=["method", "servlet", "tag"]
+)
 
 _next_request_id = 0
 
@@ -288,15 +322,6 @@ class JsonResource(HttpServer, resource.Resource):
 
     def _send_response(self, request, code, response_json_object,
                        response_code_message=None):
-        # could alternatively use request.notifyFinish() and flip a flag when
-        # the Deferred fires, but since the flag is RIGHT THERE it seems like
-        # a waste.
-        if request._disconnected:
-            logger.warn(
-                "Not sending response to request %s, already disconnected.",
-                request)
-            return
-
         outgoing_responses_counter.inc(request.method, str(code))
 
         # TODO: Only enable CORS for the requests that need it.
@@ -330,7 +355,7 @@ class RequestMetrics(object):
                 )
                 return
 
-        incoming_requests_counter.inc(request.method, self.name, tag)
+        response_count.inc(request.method, self.name, tag)
 
         response_timer.inc_by(
             clock.time_msec() - self.start, request.method,
@@ -349,7 +374,10 @@ 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
+        )
+        response_db_sched_duration.inc_by(
+            context.db_sched_duration_ms / 1000., request.method, self.name, tag
         )
 
 
@@ -372,6 +400,15 @@ class RootRedirect(resource.Resource):
 def respond_with_json(request, code, json_object, send_cors=False,
                       response_code_message=None, pretty_print=False,
                       version_string="", canonical_json=True):
+    # could alternatively use request.notifyFinish() and flip a flag when
+    # the Deferred fires, but since the flag is RIGHT THERE it seems like
+    # a waste.
+    if request._disconnected:
+        logger.warn(
+            "Not sending response to request %s, already disconnected.",
+            request)
+        return
+
     if pretty_print:
         json_bytes = encode_pretty_printed_json(json_object) + "\n"
     else:
diff --git a/synapse/http/site.py b/synapse/http/site.py
index cd1492b1c3..e422c8dfae 100644
--- a/synapse/http/site.py
+++ b/synapse/http/site.py
@@ -66,14 +66,15 @@ 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
+            db_sched_duration_ms = context.db_sched_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}"
-            " Processed request: %dms (%dms, %dms) (%dms/%d)"
+            " Processed request: %dms (%dms, %dms) (%dms/%dms/%d)"
             " %sB %s \"%s %s %s\" \"%s\"",
             self.getClientIP(),
             self.site.site_tag,
@@ -81,7 +82,8 @@ class SynapseRequest(Request):
             int(time.time() * 1000) - self.start_time,
             int(ru_utime * 1000),
             int(ru_stime * 1000),
-            int(db_txn_duration * 1000),
+            db_sched_duration_ms,
+            db_txn_duration_ms,
             int(db_txn_count),
             self.sentLength,
             self.code,