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From "Shashikant Banerjee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDDS-203) Add getCommittedBlockLength API in datanode
Date Thu, 19 Jul 2018 09:57:00 GMT

    [ https://issues.apache.org/jira/browse/HDDS-203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16549073#comment-16549073
] 

Shashikant Banerjee commented on HDDS-203:
------------------------------------------

Patch v3 is rebased to the latest trunk. It also fixe some checkstyle issues.

> Add getCommittedBlockLength API in datanode
> -------------------------------------------
>
>                 Key: HDDS-203
>                 URL: https://issues.apache.org/jira/browse/HDDS-203
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>          Components: Ozone Client, Ozone Datanode
>            Reporter: Shashikant Banerjee
>            Assignee: Shashikant Banerjee
>            Priority: Major
>             Fix For: 0.2.1
>
>         Attachments: HDDS-203.00.patch, HDDS-203.01.patch, HDDS-203.02.patch, HDDS-203.03.patch
>
>
> When a container gets closed on the Datanode while the active Writes are happening
> by OzoneClient, Client Write requests will fail with ContainerClosedException. In such
case,
> ozone Client needs to enquire the last committed block length from dataNodes and update
the
> OzoneMaster with the updated length for the block. This Jira proposes to add to RPC call
to get the last committed length of a block on a Datanode.



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