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Posted to commits@samza.apache.org by "Jagadish (JIRA)" <ji...@apache.org> on 2017/10/17 20:34:00 UTC

[jira] [Closed] (SAMZA-1461) Expose RocksDB properties as metrics

     [ https://issues.apache.org/jira/browse/SAMZA-1461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jagadish closed SAMZA-1461.
---------------------------

> Expose RocksDB properties as metrics
> ------------------------------------
>
>                 Key: SAMZA-1461
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1461
>             Project: Samza
>          Issue Type: Improvement
>          Components: kv
>            Reporter: Janek Lasocki-Biczysko
>
> RocksDB can expose some relatively useful figures via its 'getProperty' API. Some of them are documented on the [FAQs|https://github.com/facebook/rocksdb/wiki/RocksDB-FAQ] (eg. {{rocksdb.estimate-num-keys}} or {{rocksdb.estimate-live-data-size}}).
> It would be nice to be able to expose these via Samza metrics.
> There isn't a documented list of all the properties, but they're all visible in the source [here|https://github.com/facebook/rocksdb/blob/master/db/internal_stats.cc#L190].



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