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https://issues.apache.org/jira/browse/HDDS-244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shashikant Banerjee resolved HDDS-244.
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Resolution: Fixed
> Synchronize PutKey and WriteChunk requests in Ratis Server
> ----------------------------------------------------------
>
> Key: HDDS-244
> URL: https://issues.apache.org/jira/browse/HDDS-244
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Datanode
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Priority: Blocker
> Fix For: 0.2.1
>
>
> In Ratis, all the WriteChunk Requests are submitted to Ratis with
> Replication_Majority semantics. That means, the command execution from Ratis
> completes any 2 of 3 datanodes complete execution of the request. It might
> happen that on one of the follower, PutKey might start execution while all
> the WriteChunks requests processing for the same block are still in
> progress. There needs to be a synchronization enforced between PutKey and
> corresponding WriteChunk requests in the ContainerStateMachine. This Jira
> aims to address this.
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