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From "Mukul Kumar Singh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDDS-1337) HandleGroupMismatchException in OzoneClient
Date Mon, 01 Apr 2019 10:11:00 GMT

    [ https://issues.apache.org/jira/browse/HDDS-1337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16806605#comment-16806605
] 

Mukul Kumar Singh commented on HDDS-1337:
-----------------------------------------

Thanks for working on this [~shashikant]. The patch looks good to me. Some minor comments.

1) lets convert ioException, to an Atomic Reference
2) BlockOutputStream.java:702, this line needs to be reverted.
3) KeyOutputStream.java:512, lets revert this as well.
4) TestOzoneClientRetriesOnException,is missing the ASF license
5) 

> HandleGroupMismatchException in OzoneClient
> -------------------------------------------
>
>                 Key: HDDS-1337
>                 URL: https://issues.apache.org/jira/browse/HDDS-1337
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>          Components: Ozone Client
>            Reporter: Shashikant Banerjee
>            Assignee: Shashikant Banerjee
>            Priority: Blocker
>              Labels: Blocker
>             Fix For: 0.4.0
>
>         Attachments: HDDS-1337.000.patch, HDDS-1337.001.patch, HDDS-1337.002.patch
>
>
> If a pipeline gets destroyed in ozone client, ozone client may hit GroupMismatchException
from Ratis. In cases as such, client should exclude the pipeline and retry write to a different
block.



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