Event Logging writing volume needs monitoring.
We had an incident last Friday where volumen of EL increased dramatically:
We should have an alert in process for this. We even have a handy script that could pipe its results to the alert (thanks to ori):
https://gist.github.com/atdt/8deed4bc2d311ba0122f#file-el-status-py
Output of script is as follows:
<output>
Listening for 60 seconds...
UniversalLanguageSelector-tofu 64.30% (72.80/sec)
PageContentSaveComplete 9.92% (11.23/sec)
NavigationTiming 5.14% (5.82/sec)
TrackedPageContentSaveComplete 3.86% (4.37/sec)
</output>
Version: unspecified
Severity: enhancement
Whiteboard: u=nuria@wikimedia.org c=EventLogging p=5 s=2014-05-29