Duong created HDDS-9536:
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Summary: 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
Attachments: Screenshot 2023-10-25 at 8.44.16 AM.png
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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