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https://issues.apache.org/jira/browse/HDDS-8417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sumit Agrawal updated HDDS-8417:
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Labels: proton (was: )
> Cap on queue of commands at DN
> ------------------------------
>
> Key: HDDS-8417
> URL: https://issues.apache.org/jira/browse/HDDS-8417
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Sumit Agrawal
> Assignee: Sumit Agrawal
> Priority: Minor
> Labels: proton
> Fix For: 1.4.0
>
>
> When command is operating very slowly, its observed that queue is getting
> pilled up. In one of environment, below are queued up causing usages of
> approx 5GB memory,
> * Block delete command: 2.8k
> * Close Container command: 13k
> * Close pipeline command: 2390k
> * replicate container command: 57k
> This is happening when disk is almost full and command is running very slow.
> SCM keeps sending same command every heartbeat.
> So a cap on queue is required and need reject further command accumulation.
> This needs to be done for each command type queue based on memory occupancy
> and repeating of command from SCM.
>
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