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extra metric to alert on
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@Dieterbe
Dieterbe committed Mar 16, 2018
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Expand Up @@ -24,6 +24,7 @@ Just make sure to have a properly configured statsd setup (or adjust the dashboa
* `metrictank.stats.$environment.$instance.input.*.pressure.idx.counter32`: index pressure as a ns counter, rise is between 0 and 10^9 each second. Alert if increase is more than 4x10^8 each second: this would signify the index can't keep up with indexing new data and is blocking ingestion pipeline.
* `metrictank.stats.$environment.$instance.api.request_handle.latency.*.gauge32`: shows how fast/slow metrictank responds to http queries
* `metrictank.stats.$environment.$instance.store.cassandra.error.*`: shows erroring queries. Queries that result in errors (or timeouts) will result in missing data in your charts.
* `perSecond(metrictank.stats.$environment.$instance.tank.add_to_closed_chunk.counter32)`: Points dropped due to chunks being closed. Need to tune the chunk-max-stale setting or fix your data stream to not send old points so late.

If you expect consistent or predictable load, you may also want to monitor:

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