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https://issues.apache.org/jira/browse/SAMZA-1461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16204851#comment-16204851
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ASF GitHub Bot commented on SAMZA-1461:
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GitHub user janeklb opened a pull request:
https://github.com/apache/samza/pull/327
SAMZA-1461 : Expose RocksDB properties as metrics
Automatically build gauges for RocksDB properties via configuration:
`stores.<storename>.rocksdb.telemetry.list=<rocksDbProperty1>,
<rocksDbProperty1>`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/janeklb/samza jlb_rocksDBPropertiesAsMetrics
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/samza/pull/327.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #327
----
commit e5c39e3e6e61132f96db3ddfb5fc79b0f5a7ea98
Author: Janek Lasocki-Biczysko <[email protected]>
Date: 2017-10-14T22:48:30Z
Expose RocksDB properties as metrics
Automatically build gauges for RocksDB properties via configuration:
stores.<storename>.rocksdb.telemetry.list=<rocksDbProperty1>,
<rocksDbProperty1>
----
> 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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