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Posted to issues@hbase.apache.org by "Stephen Yuan Jiang (JIRA)" <ji...@apache.org> on 2016/09/07 18:16:20 UTC

[jira] [Commented] (HBASE-16566) Add nonce support to TableBackupProcedure

    [ https://issues.apache.org/jira/browse/HBASE-16566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15471396#comment-15471396 ] 

Stephen Yuan Jiang commented on HBASE-16566:
--------------------------------------------

+1.  V2 looks good.  (If you can add a UT on this, it would be better :-))

> Add nonce support to TableBackupProcedure
> -----------------------------------------
>
>                 Key: HBASE-16566
>                 URL: https://issues.apache.org/jira/browse/HBASE-16566
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>              Labels: backup
>         Attachments: 16566.v2.txt
>
>
> We should pass in nonce to avoid duplicate table backup RPC (the same RPC sent to server multiple times).
> The duplicate table backup RPC may happen due to master failover.
> If there is no nonce, same procedure may be executed more than once.



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