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https://issues.apache.org/jira/browse/HDDS-9536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duong updated HDDS-9536:
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Attachment: datanode-on-write2.html
> Datanode perf: Copying (heap) buffers is costly
> -----------------------------------------------
>
> Key: HDDS-9536
> URL: https://issues.apache.org/jira/browse/HDDS-9536
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Duong
> Priority: Major
> Attachments: Screenshot 2023-10-25 at 8.44.16 AM.png,
> datanode-on-write2.html
>
>
> Today, Datanodes don't use direct buffers for WriteChunk data. When the
> chunks are written to disk, NIO converts those buffers to direct ones and the
> conversion seems to be very costly.
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