thanks for the quick turnaround.

On Dec 11, 2014, at 4:28 PM, Ori Livneh <ori@wikimedia.org> wrote:

There's this graph: https://graphite.wikimedia.org/render/?width=586&height=308&_salt=1418343627.977&from=-1weeks&target=movingMedian(diffSeries(eventlogging.overall.raw.rate%2Ceventlogging.overall.valid.rate)%2C20)

The key is 'diffSeries(eventlogging.overall.raw.rate,eventlogging.overall.valid.rate)', which gets you the rate of invalid events per second.

It is not broken down by schema, though.

this is great for monitoring, for QA purposes we really need the raw data

We can't write invalid events to a database -- at least not the same way we write well-formed events. The table schema is derived from the event schema, so an invalid event would violate the constraints of the table as well.

rrright

It's possible (and easy) to set something up that watches invalid events in real-time and does something with them. The question is: what? E-mail an alert? Produce a daily report? Generate a graph?

If you describe how you’d like to consume the data, I can try to hash out an an implementation with Nuria and Christian.

a JSON log like all-events.log but sync’ed from vanadium more frequently would do the job for me. It can also be truncated as we probably only need a relatively short time window and the complete data is captured in all-events anyway.

D

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