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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/11/10 21:00:02 UTC
[jira] [Updated] (HDFS-15469) Dynamically configure the size of
PacketReceiver#MAX_PACKET_SIZE
[ https://issues.apache.org/jira/browse/HDFS-15469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HDFS-15469:
----------------------------------
Labels: pull-request-available (was: )
> 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
> Labels: pull-request-available
> Attachments: HDFS-15469.001.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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