[jira] Updated: (HBASE-938) major compaction period is not checked periodically

["stack (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-938:
------------------------

    Fix Version/s: 0.19.0
         Priority: Critical  (was: Minor)

Marking critical fix for 0.19.  Major compactions are expensive, especially in clusters that tend toward the large.  Seems an easy fix persisting last major compaction time so doesn't happen on every restart.

> major compaction period is not checked periodically
> ---------------------------------------------------
>
>                 Key: HBASE-938
>                 URL: https://issues.apache.org/jira/browse/HBASE-938
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.18.0, 0.18.1
>         Environment: HBase 0.18 branch (should be RC1) + Hadoop 0.18 branch
>            Reporter: Rong-En Fan
>            Priority: Critical
>             Fix For: 0.19.0
>
>
> The major compaction period, hbase.hregion.majorcompaction, is not checked periodically. Currently, we only request major compaction when the region is open or split at which point we check whether the major compaction period is due.

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