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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14951) Make hbase.regionserver.maxlogs obsolete
Date Fri, 11 Dec 2015 06:23:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15052258#comment-15052258
] 

Lars Hofhansl commented on HBASE-14951:
---------------------------------------

Yeah. Would love to get rid of this config option.

Where the *2 come from in the formula? Just to account for WALEdit being larger than a memstore
Cell?

> Make hbase.regionserver.maxlogs obsolete
> ----------------------------------------
>
>                 Key: HBASE-14951
>                 URL: https://issues.apache.org/jira/browse/HBASE-14951
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-14951-v1.patch, HBASE-14951-v2.patch
>
>
> There was a discussion in HBASE-14388 related to maximum number of log files. It was
an agreement that we should calculate this number in a code but still need to honor user's
setting. 
> Maximum number of log files now is calculated as following:
>  maxLogs = HEAP_SIZE * memstoreRatio * 2/ LogRollSize



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