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https://issues.apache.org/jira/browse/HBASE-10048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837470#comment-13837470
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Liu Shaohui commented on HBASE-10048:
-------------------------------------
[~zjushch][~v.himanshu]
First, it's easy to get the accurate total size of all hlog files with this
patch, so we don't need to guess it.
Secondly, the accurate log size metric is necessary and very useful to optimize
the failover time.
> Add hlog number metric in regionserver
> --------------------------------------
>
> Key: HBASE-10048
> URL: https://issues.apache.org/jira/browse/HBASE-10048
> Project: HBase
> Issue Type: Improvement
> Reporter: Liu Shaohui
> Assignee: Liu Shaohui
> Priority: Minor
> Attachments: HBASE-10048-0.94-v1.diff, HBASE-10048-0.94-v2.diff,
> HBASE-10048-trunk-v1.diff, HBASE-10048-trunk-v2.diff,
> HBASE-10048-trunk-v3.diff
>
>
> Add hlog number metric in regionserver.
> We can use this metric to alert about memstore flush because of too many
> hlogs.
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