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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11943) [Erasure coding] Warn log frequently print to screen in doEncode/doDecode functions
Date Mon, 26 Jun 2017 08:29:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kai Zheng updated HDFS-11943:
-----------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha4
           Status: Resolved  (was: Patch Available)

Committed to trunk. Thanks [~liaoyuxiangqin] for reporting this and also providing the patch!


> [Erasure coding] Warn log frequently print to screen in doEncode/doDecode functions
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-11943
>                 URL: https://issues.apache.org/jira/browse/HDFS-11943
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: erasure-coding, native
>    Affects Versions: 3.0.0-alpha4
>         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
>            Assignee: liaoyuxiangqin
>            Priority: Minor
>             Fix For: 3.0.0-alpha4
>
>         Attachments: HDFS-11943.002.patch, HDFS-11943.003.patch, HDFS-11943.004.patch,
HDFS-11943.005.patch, HDFS-11943.patch
>
>   Original Estimate: 0.05h
>  Remaining Estimate: 0.05h
>
>  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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