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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17280) Add mechanism to control hbase cleaner behavior
Date Thu, 26 Jan 2017 03:33:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15839122#comment-15839122

Ted Yu commented on HBASE-17280:

There is no branch-2 yet - please generate patch based on master branch.

There is no hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionManager.java
in master branch.

It seems branch-2 patch can be applied on branch-1, with some rejects.

> Add mechanism to control hbase cleaner behavior
> -----------------------------------------------
>                 Key: HBASE-17280
>                 URL: https://issues.apache.org/jira/browse/HBASE-17280
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client, hbase, shell
>    Affects Versions: 2.0.0, 1.2.0
>            Reporter: Ajay Jadhav
>            Priority: Minor
>             Fix For: 2.0.0, 1.2.0
>         Attachments: HBASE-17280.branch-1.2.patch, HBASE-17280.branch-2.0.patch, HBASE-17280.v1-branch-1.2.patch,
HBASE-17280.v2-branch-1.2.patch, HBASE-17280.v2-branch-2.patch
> Cleaner is used to get rid of archived HFiles and old WALs in HBase.
> In the case of heavy workload, cleaner can affect query performance by creating a lot
of connections to perform costly reads/ writes against underlying filesystem.
> This patch allows the user to control HBase cleaner behavior by providing shell commands
to enable/ disable and manually run it.

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