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From "Liu Shaohui (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10048) Add hlog number metric in regionserver
Date Thu, 28 Nov 2013 02:47:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13834478#comment-13834478
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Liu Shaohui commented on HBASE-10048:
-------------------------------------

[~yuzhihong@gmail.com]

hlog.getNumLogFiles() only returns the number of all log files but the current one, so we
need to add one for the current log.
Maybe, it's clearer to add 1 in the method of hlog.getNumLogFiles().


> 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
>
>
> 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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