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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 updated HDDS-244:
-------------------------------------
Summary: PutKey command should get executed only if all WriteChunk request
for the same block complete in Ratis (was: PutKey should get executed only if
all WriteChunk request for the same block complete in Ratis)
> PutKey command should get executed only if all WriteChunk request for the
> same block complete in Ratis
> ------------------------------------------------------------------------------------------------------
>
> 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: Major
> 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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