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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-13855) NPE in PartitionedMobCompactor
Date Thu, 11 Jun 2015 07:58:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-13855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anoop Sam John updated HBASE-13855:
-----------------------------------
    Priority: Critical  (was: Major)

> NPE in PartitionedMobCompactor
> ------------------------------
>
>                 Key: HBASE-13855
>                 URL: https://issues.apache.org/jira/browse/HBASE-13855
>             Project: HBase
>          Issue Type: Sub-task
>          Components: mob
>    Affects Versions: hbase-11339
>            Reporter: Jingcheng Du
>            Assignee: Jingcheng Du
>            Priority: Critical
>             Fix For: hbase-11339
>
>         Attachments: HBASE-13855.diff
>
>
> In PartitionedMobCompactor, mob files are split into partitions, the compactions of partitions
run in parallel.
> The partitions share  the same set of del files. There might be race conditions when
open readers of del store files in each partition which can cause NPE.
> In this patch, we will pre-create the reader for each del store file to avoid this issue.



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