From 7d6e89ed22aab4bae9ce033c2e4757a595257942 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 13 May 2016 16:31:08 +0100 Subject: [PATCH] Add a comment --- synapse/metrics/__init__.py | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py index 17be491b9..c82685a52 100644 --- a/synapse/metrics/__init__.py +++ b/synapse/metrics/__init__.py @@ -185,6 +185,8 @@ def runUntilCurrentTimer(func): tick_time.inc_by(end - start) pending_calls_metric.inc_by(num_pending) + # Check if we need to do a manual GC (since its been disabled), and do + # one if necessary. threshold = gc.get_threshold() counts = gc.get_count() @@ -210,6 +212,9 @@ try: # runUntilCurrent is called when we have pending calls. It is called once # per iteratation after fd polling. reactor.runUntilCurrent = runUntilCurrentTimer(reactor.runUntilCurrent) + + # We manually run the GC each reactor tick so that we can get some metrics + # about time spent doing GC, gc.disable() except AttributeError: pass