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Posted to issues@hbase.apache.org by "Gary Helmling (JIRA)" <ji...@apache.org> on 2011/03/09 21:11:59 UTC

[jira] Updated: (HBASE-2888) Review all our metrics

     [ https://issues.apache.org/jira/browse/HBASE-2888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary Helmling updated HBASE-2888:
---------------------------------

    Component/s: metrics

> Review all our metrics
> ----------------------
>
>                 Key: HBASE-2888
>                 URL: https://issues.apache.org/jira/browse/HBASE-2888
>             Project: HBase
>          Issue Type: Improvement
>          Components: master, metrics
>            Reporter: Jean-Daniel Cryans
>             Fix For: 0.92.0
>
>
> HBase publishes a bunch of metrics, some useful some wasteful, that should be improved to deliver a better ops experience. Examples:
>  - Block cache hit ratio converges at some point and stops moving
>  - fsReadLatency goes down when compactions are running
>  - storefileIndexSizeMB is the exact same number once a system is serving production load
> We could use new metrics too.

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