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Posted to hdfs-issues@hadoop.apache.org by "Anu Engineer (JIRA)" <ji...@apache.org> on 2019/05/16 12:18:00 UTC
[jira] [Updated] (HDDS-1143) Ensure stateMachineData to be evicted
only after writeStateMachineData completes in ContainerStateMachine cache
[ https://issues.apache.org/jira/browse/HDDS-1143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anu Engineer updated HDDS-1143:
-------------------------------
Fix Version/s: (was: 0.4.0)
> Ensure stateMachineData to be evicted only after writeStateMachineData completes in ContainerStateMachine cache
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HDDS-1143
> URL: https://issues.apache.org/jira/browse/HDDS-1143
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: Ozone Datanode
> Affects Versions: 0.4.0
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Priority: Major
>
> Currently, when we write StateMachineData, we first write to cache followed by write to disk. The entry in the cache can get evicted while the actual write is happening in case write is very slow. The purpose of this Jira is to ensure the cache eviction only after writeChunk completes.
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