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Posted to hdfs-dev@hadoop.apache.org by "Li Bo (JIRA)" <ji...@apache.org> on 2015/07/07 11:14:04 UTC

[jira] [Created] (HDFS-8719) Erasure Coding: client generates too many small packets when writing parity data

Li Bo created HDFS-8719:
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             Summary: 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


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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