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https://issues.apache.org/jira/browse/HDFS-15469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17157356#comment-17157356
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jianghua zhu commented on HDFS-15469:
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Here, I submitted a patch file (HDFS-15469.001.patch).
[~elgoiri] , [~hexiaoqiao] , can you help me review it?
> Dynamically configure the size of PacketReceiver#MAX_PACKET_SIZE
> ----------------------------------------------------------------
>
> Key: HDFS-15469
> URL: https://issues.apache.org/jira/browse/HDFS-15469
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.0.3
> Reporter: jianghua zhu
> Assignee: jianghua zhu
> Priority: Major
> Attachments: HDFS-15469.001.patch
>
>
> Now the value of PacketReceiver#MAX_PACKET_SIZE is fixed and the size is 16M.
> This value should be configurable to facilitate better performance in
> different environments. For example, when the network environment is poor, or
> the machine quality is not good, and the hard disk quality is not good, this
> value should be set below 16M, such as 8M, which will be more conducive to
> the stability of the cluster.
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