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From "Joseph (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16209) Provide an ExponentialBackOffPolicy sleep between failed region open requests
Date Fri, 29 Jul 2016 23:37:21 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15400241#comment-15400241
] 

Joseph commented on HBASE-16209:
--------------------------------

Oh sorry, I hadn't attached my addendum for the Master branch. Also should I submit another
patch for the whitespace issue on branch-1?

> Provide an ExponentialBackOffPolicy sleep between failed region open requests
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-16209
>                 URL: https://issues.apache.org/jira/browse/HBASE-16209
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Joseph
>            Assignee: Joseph
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-16209-branch-1-addendum.patch, HBASE-16209-branch-1.patch,
HBASE-16209-v2.patch, HBASE-16209.patch
>
>
> Related to HBASE-16138. As of now we currently have no pause between retrying failed
region open requests. And with a low maximumAttempt default, we can quickly use up all our
regionOpen retries if the server is in a bad state. I added in a ExponentialBackOffPolicy
so that we spread out the timing of our open region retries in AssignmentManager. Review board
at https://reviews.apache.org/r/50011/



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