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From "Ajay Jadhav (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18624) Added support for clearing BlockCache based on table name
Date Wed, 20 Sep 2017 17:46:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16173569#comment-16173569

Ajay Jadhav commented on HBASE-18624:

Regarding the exception: The NotServingRegionException can only happen in case the meta table
is corrupted resulting in providing an incorrect location for a region. This may also happen
due to some region operation in progress (split) etc which meta is not aware of. In case I
rethrow the exception it will stop the processing of all the subsequent regions due to one
bad entry in meta. Also, this will be one-off case due to which I'm just logging the exception.

I'll move HBaseRpcController out of for loop. Thanks.

> Added support for clearing BlockCache based on table name
> ---------------------------------------------------------
>                 Key: HBASE-18624
>                 URL: https://issues.apache.org/jira/browse/HBASE-18624
>             Project: HBase
>          Issue Type: Sub-task
>    Affects Versions: 2.0.0, 1.3.0
>            Reporter: Ajay Jadhav
>            Assignee: Ajay Jadhav
>             Fix For: 2.0.0, 1.4.0
>         Attachments: HBASE-18624.branch-1.001.patch, HBASE-18624.master.001.patch, HBASE-18624.master.002.patch
> Bulk loading the primary HBase cluster triggers a lot of compactions resulting in archival/
> of multiple HFiles. This process will cause a lot of items to become stale in replica’s
> This patch will help users to clear the block cache for a given table by either using
shell or API.

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