See https://bugs.chromium.org/p/chromium/issues/detail?id=628307 for context
It appears as if we have multiple ts_mon threads running sometimes, on the master scheduler.
07/14 10:24:09.120 DEBUG| monitors:0142| ts_mon: sending 111 metrics to PubSub
07/14 10:25:07.750 DEBUG| monitors:0142| ts_mon: sending 1000 metrics to PubSub
07/14 10:25:08.608 DEBUG| monitors:0142| ts_mon: sending 1000 metrics to PubSub
07/14 10:25:09.109 DEBUG| monitors:0142| ts_mon: sending 111 metrics to PubSub
07/14 10:26:07.621 DEBUG| monitors:0142| ts_mon: sending 1000 metrics to PubSub
07/14 10:26:08.377 DEBUG| monitors:0142| ts_mon: sending 1000 metrics to PubSub
07/14 10:26:08.881 DEBUG| monitors:0142| ts_mon: sending 111 metrics to PubSub
07/14 10:27:07.932 DEBUG| monitors:0142| ts_mon: sending 1000 metrics to PubSub
07/14 10:27:08.631 DEBUG| monitors:0142| ts_mon: sending 1000 metrics to PubSub
07/14 10:27:09.156 DEBUG| monitors:0142| ts_mon: sending 111 metrics to PubSub
Comment 1 by aut...@google.com
, Jul 19 2016