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https://issues.apache.org/jira/browse/RATIS-979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17280408#comment-17280408
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runzhiwang commented on RATIS-979:
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> HDFS probably has more than 5 times buffer copying
[~szetszwo] I test HDFS, and found it does not use DirectByteBuffer to read
data, because PacketReceiver#useDirectBuffers.
!screenshot-3.png!
> I believe Ratis streaming definitely can improve HDFS performance.
I will compare HDFS and Ratis streaming.
> Ratis streaming
> ---------------
>
> Key: RATIS-979
> URL: https://issues.apache.org/jira/browse/RATIS-979
> Project: Ratis
> Issue Type: New Feature
> Components: Streaming
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
> Attachments: RatisStreaming20200929.pdf, screenshot-1.png,
> screenshot-2.png, screenshot-3.png
>
>
> In this JIRA, we design and implement Ratis Streaming with zero buffer
> copying and asynchronous event driven.
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