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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5574) Remove buffer copy in BlockReader.skip
Date Thu, 30 Apr 2015 15:55:10 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14521711#comment-14521711
] 

Hudson commented on HDFS-5574:
------------------------------

SUCCESS: Integrated in Hadoop-Mapreduce-trunk #2129 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2129/])
HDFS-5574. Remove buffer copy in BlockReader.skip. Contributed by Binglin Chang. (aajisaka:
rev e89fc53a1d264fde407dd2c36defab5241cd0b52)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRemoteBlockReader.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSInputStream.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/RemoteBlockReader2.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBlockReaderBase.java
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FSInputChecker.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/RemoteBlockReader.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRemoteBlockReader2.java


> Remove buffer copy in BlockReader.skip
> --------------------------------------
>
>                 Key: HDFS-5574
>                 URL: https://issues.apache.org/jira/browse/HDFS-5574
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Binglin Chang
>            Assignee: Binglin Chang
>            Priority: Trivial
>             Fix For: 2.8.0
>
>         Attachments: HDFS-5574.006.patch, HDFS-5574.007.patch, HDFS-5574.008.patch, HDFS-5574.v1.patch,
HDFS-5574.v2.patch, HDFS-5574.v3.patch, HDFS-5574.v4.patch, HDFS-5574.v5.patch
>
>
> BlockReaderLocal.skip and RemoteBlockReader.skip uses a temp buffer to read data to this
buffer, it is not necessary. 



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