Hi Timo,

[ adding Ori to CC, since I am not sure whether or not he is on this
  list, and it seems he knows more about webperf ]

On Sat, Dec 20, 2014 at 05:25:15AM +0000, Timo Tijhof wrote:
> Looking at the graphs [...] reveals all data points have them
> plummeted straight down that day and haven't shown any activity
> since.

It seems 'statsd-mw-js-deprecate' webperf service on hafnium did
not properly detect (or recover from) a restart of the EventLogging's
zmq [1].

Not sure who maintains the 'statsd-mw-js-deprecate' webperf service [2].

But I've been bold [3], and restarted it, and it seems the service is
now working again, and producing the needed numbers:

  
https://graphite.wikimedia.org/render/?width=640&height=480&_salt=1419112167.056&from=19%3A00_20141220&until=23%3A59_20141220&target=mw.js.deprecate.addOnloadHook.rate


Have fun,
Christian


[1] 
https://graphite.wikimedia.org/render/?width=640&height=480&_salt=1419106892.356&from=00%3A00_20141125&until=23%3A59_20141203&target=mw.js.deprecate.addOnloadHook.rate&target=eventlogging.schema.DeprecatedUsage.rate


[2] It's not EventLogging. The code is directly in puppet. Most
webperf commits came from Ori, but this Python file seems to have been
written by you.


[3] I could find neither you nor Ori in IRC, and the service was not
doing it's job anyways, and looking at the code, it looked like it's
safe to restart.



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