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https://issues.apache.org/jira/browse/HADOOP-7753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13137657#comment-13137657
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Hudson commented on HADOOP-7753:
--------------------------------
Integrated in Hadoop-Mapreduce-0.23-Commit #81 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-0.23-Commit/81/])
HADOOP-7753. Support fadvise and sync_file_range in NativeIO. Add
ReadaheadPool infrastructure for use in HDFS and MR. Contributed by Todd Lipcon.
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1190066
Files :
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/ReadaheadPool.java
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/native/configure.ac
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/io/nativeio/NativeIO.c
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/io/nativeio/file_descriptor.c
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/nativeio/TestNativeIO.java
> Support fadvise and sync_data_range in NativeIO, add ReadaheadPool class
> ------------------------------------------------------------------------
>
> Key: HADOOP-7753
> URL: https://issues.apache.org/jira/browse/HADOOP-7753
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: io, native, performance
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.23.0
>
> Attachments: hadoop-7753.txt, hadoop-7753.txt, hadoop-7753.txt,
> hadoop-7753.txt, hadoop-7753.txt
>
>
> This JIRA adds JNI wrappers for sync_data_range and posix_fadvise. It also
> implements a ReadaheadPool class for future use from HDFS and MapReduce.
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