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From "liaoyuxiangqin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11943) Warn log frequently print to screen in doEncode function on AbstractNativeRawEncoder class
Date Wed, 07 Jun 2017 09:27:18 GMT
liaoyuxiangqin created HDFS-11943:
-------------------------------------

             Summary: Warn log frequently print to screen in doEncode function on  AbstractNativeRawEncoder
class
                 Key: HDFS-11943
                 URL: https://issues.apache.org/jira/browse/HDFS-11943
             Project: Hadoop HDFS
          Issue Type: Improvement
         Environment: cluster: 3 nodes
os:(Red Hat 2.6.33.20,  Red Hat 3.10.0-514.6.1.el7.x86_64, Ubuntu4.4.0-31-generic)
hadoop version: hadoop-3.0.0-alpha4
erasure coding: XOR-2-1-64k and enabled Intel ISA-L
hadoop fs -put file /
            Reporter: liaoyuxiangqin
            Priority: Minor


 when i write file to hdfs on above environment,  the hdfs client  frequently print warn log
of use direct ByteBuffer inputs/outputs in doEncode function to screen, detail information
as follows:
2017-06-07 15:20:42,856 WARN rawcoder.AbstractNativeRawEncoder: convertToByteBufferState is
invoked, not efficiently. Please use direct ByteBuffer inputs/outputs



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