jianghua zhu created HDFS-15469:
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Summary: 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
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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