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From "Guangxu Cheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17928) Shell tool to clear compact queues
Date Wed, 26 Apr 2017 07:56:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15984336#comment-15984336
] 

Guangxu Cheng commented on HBASE-17928:
---------------------------------------

bq.Is this any good if currently we have a long-running compaction currently in operation
hogging all i/o with no end in sight?

[~stack] Maybe the scene is different.We just need to clear the compaction queues in our production
cluster.
In our production cluster, we will run major compaction on a table at 1:00 am every day(1:00
to 5:00 is off-peak times)
If the compaction has not done before 5:00 am, we will clear compaction queues regardless
of the running compactions.

Cancel long-running compactions is also a useful feature. 
Maybe we can create a new issue to implement the functions as I listed earlier.
I'd like to work on that.

> Shell tool to clear compact queues
> ----------------------------------
>
>                 Key: HBASE-17928
>                 URL: https://issues.apache.org/jira/browse/HBASE-17928
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Guangxu Cheng
>            Assignee: Guangxu Cheng
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17928-branch-1-v1.patch, HBASE-17928-v1.patch, HBASE-17928-v2.patch,
HBASE-17928-v3.patch, HBASE-17928-v4.patch
>
>
> scenarioļ¼š
> 1. Compact a table by mistake
> 2. Compact is not completed within the specified time period
> In this case, clearing the queue is a better choice, so as not to affect the stability
of the cluster



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