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https://issues.apache.org/jira/browse/HDFS-8719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14618249#comment-14618249
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Li Bo commented on HDFS-8719:
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Yes, when to start a parity cell, the {{streamer}} used in
{{adjustChunkBoundary}} is the previous one. I think we need to update
{{chunksPerPacket}} after the streamer is updated. Please see my new patch.
> Erasure Coding: client generates too many small packets when writing parity
> data
> --------------------------------------------------------------------------------
>
> Key: HDFS-8719
> URL: https://issues.apache.org/jira/browse/HDFS-8719
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Li Bo
> Assignee: Li Bo
> Attachments: HDFS-8719-001.patch, HDFS-8719-HDFS-7285-001.patch
>
>
> Typically a packet is about 64K, but when writing parity data, many small
> packets with size 512 bytes are generated. This may slow the write speed and
> increase the network IO.
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