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From "Chia-Ping Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18415) The local timeout may cause Admin to submit duplicate request
Date Sun, 17 Sep 2017 01:10:02 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16169151#comment-16169151
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Chia-Ping Tsai commented on HBASE-18415:
----------------------------------------

bq. Wildcard should not be used.
My dumb ide...Will fix it.

bq. ReuseNonceMasterCallable -> NonceReusingMasterCallable
copy that.

bq. Do we need to keep reference to NonceGenerator and the (group, nounce) pair at the same
time ?
Do you mean *synchronization*? If so, we don't  need to keep them at the same time because
the group/nonce is just random long value now.

> The local timeout may cause Admin to submit duplicate request
> -------------------------------------------------------------
>
>                 Key: HBASE-18415
>                 URL: https://issues.apache.org/jira/browse/HBASE-18415
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Chia-Ping Tsai
>            Assignee: Chia-Ping Tsai
>             Fix For: 2.0.0, 1.4.0, 1.3.2, 1.5.0, 1.2.7
>
>         Attachments: HBASE-18415.branch-1.ut.patch, HBASE-18415.branch-1.v0.patch, HBASE-18415.branch-1.v1.patch,
HBASE-18415.branch-1.v2.patch
>
>
> After a timeout occurs on first request, client will retry the request with distinct
group/nonce. The second request may bring the TableXXXException back if the first request
have changed the table state.



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