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From "chunhui shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7070) Scanner may retry forever after HBASE-5974
Date Wed, 31 Oct 2012 05:37:13 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

chunhui shen updated HBASE-7070:

    Attachment: HBASE-7070v5.patch

Attaching patchV5:
retry only once if OutOfOrderScannerNextException as Stack's comment
> Scanner may retry forever  after HBASE-5974
> -------------------------------------------
>                 Key: HBASE-7070
>                 URL: https://issues.apache.org/jira/browse/HBASE-7070
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 0.96.0
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>             Fix For: 0.96.0
>         Attachments: HBASE-7070.patch, HBASE-7070v2.patch, HBASE-7070v3.patch, HBASE-7070v4.patch,
> After the patch of HBASE-5974
> Suppose The process is as the following:
> 1.A next request is very large, so first time it is failed because of timeout
> 2.The second time it is failed again because of CallSequenceOutOfOrderException
> 3.We will retry this next request again after reset scanner, so it is also very large
and failed again because of timeout
> 4.CallSequenceOutOfOrderException again
> 5.Repeated the above forever...
> See the comment in HBASE-5974 for more
> https://issues.apache.org/jira/browse/HBASE-5974?focusedCommentId=13486658&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13486658

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