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From "Shashikant Banerjee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDDS-179) CloseContainer command should be executed only if all the prior "Write" type container requests get executed
Date Mon, 30 Jul 2018 10:08:00 GMT

    [ https://issues.apache.org/jira/browse/HDDS-179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16561734#comment-16561734
] 

Shashikant Banerjee commented on HDDS-179:
------------------------------------------

Since , our dispatcher is single threaded and in Ratis and all the applyTransactions in Ratis 
are strictly sequential, we don't need this Jira for now. Resolving it for for now.

> CloseContainer command should be executed only if all the  prior "Write" type container
requests get executed
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDDS-179
>                 URL: https://issues.apache.org/jira/browse/HDDS-179
>             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-179.01.patch, HDDS-179.02.patch, HDDS-179.03.patch, HDDS-179.04.patch,
HDDS-179.05.patch
>
>
> When a close Container command request comes to a Datanode (via SCM hearbeat response)
through the Ratis protocol, all the prior enqueued "Write" type of request like putKey, WriteChunk,
DeleteKey, CompactChunk etc should be executed first before CloseContainer request gets executed.
This synchronization needs to be handled in the containerStateMachine. This Jira aims to address
this.
>  



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