https://bugzilla.wikimedia.org/show_bug.cgi?id=65482

            Bug ID: 65482
           Summary: Event Logging writing volume needs monitoring
           Product: Analytics
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: Unprioritized
         Component: EventLogging
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected], [email protected],
                    [email protected], [email protected],
                    [email protected], [email protected],
                    [email protected]
       Web browser: ---
   Mobile Platform: ---

Event Logging writing volume needs monitoring. 

We had an incident last Friday where volumen of EL increased dramatically:

https://ganglia.wikimedia.org/latest/graph.php?r=month&z=xlarge&c=Miscellaneous+eqiad&h=vanadium.eqiad.wmnet&jr=&js=&v=391444071&m=eventlogging_all-events&vl=events&ti=all-events


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>

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