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[MAPREDUCE-2349] speed up list[located]status calls from input formats - MapReduce - [issue]
...when a job has many input paths - listStatus - or the improved listLocatedStatus - calls (invoked from the getSplits() method) can take a long time. Most of the time is spent waiting for the...
http://issues.apache.org/jira/browse/MAPREDUCE-2349    Author: Joydeep Sen Sarma, 2014-04-10, 14:11
[MAPREDUCE-5789] Average Reduce time is incorrect on Job Overview page - MapReduce - [issue]
...The Average Reduce time displayed on the job overview page is incorrect.Previously Reduce time was calculated as difference between finishTime and shuffleFinishTime.It should be difference o...
http://issues.apache.org/jira/browse/MAPREDUCE-5789    Author: Rushabh S Shah, 2014-04-10, 14:11
[MAPREDUCE-5791] Shuffle phase is slow in Windows - FadviseFileRegion::transferTo does not read disks efficiently - MapReduce - [issue]
...transferTo method in org.apache.hadoop.mapred.FadvisedFileRegion is using transferTo method from a FileChannel to transfer data from a disk to socket. This is performing slow in Windows, slo...
http://issues.apache.org/jira/browse/MAPREDUCE-5791    Author: Nikola Vujic, 2014-04-10, 14:11
[MAPREDUCE-5778] JobSummary does not escape newlines in the job name - MapReduce - [issue]
...JobSummary is not escaping newlines in the job name.  This can result in a job summary log entry that spans multiple lines when users are expecting one-job-per-line output....
http://issues.apache.org/jira/browse/MAPREDUCE-5778    Author: Jason Lowe, 2014-04-10, 14:11
[MAPREDUCE-5757] ConcurrentModificationException in JobControl.toList - MapReduce - [issue]
...Despite having the fix for MAPREDUCE-5513 we saw another ConcurrencyModificationException in JobControl, so something there still isn't fixed....
http://issues.apache.org/jira/browse/MAPREDUCE-5757    Author: Jason Lowe, 2014-04-10, 14:11
[MAPREDUCE-5794] SliveMapper always uses default FileSystem. - MapReduce - [issue]
...Similar to MAPREDUCE-5780, SliveMapper should use the test path to get FileSystem....
http://issues.apache.org/jira/browse/MAPREDUCE-5794    Author: Tsz Wo Nicholas Sze, 2014-04-10, 14:11
[MAPREDUCE-5751] MR app master fails to start in some cases if mapreduce.job.classloader is true - MapReduce - [issue]
...If mapreduce.job.classloader is set to true, and the MR client includes a jetty jar in its libjars or job jar, the MR app master fails to start. A typical stack trace we get is as follows:ja...
http://issues.apache.org/jira/browse/MAPREDUCE-5751    Author: Sangjin Lee, 2014-04-10, 14:11
[MAPREDUCE-5761] Add a log message like "encrypted shuffle is ON" in nodemanager logs - MapReduce - [issue]
...Currently no log message gets printed for encrypted shuffle which can determine if encrypted shuffle is On or Off.Need to add message at Info level such as "encrypted shuffle is ON"...
http://issues.apache.org/jira/browse/MAPREDUCE-5761    Author: Yesha Vora, 2014-04-10, 14:11
Welcome to Apache™ Hadoop®! - MapReduce - [web site]
...Welcome to Apache™ Hadoop®! What Is Apache Hadoop? Getting Started Download Hadoop Who Uses Hadoop? News 15 October, 2013: release 2.2.0 available 25 August, 2013: release 2.1.0-beta avail...
http://hadoop.apache.org/mapreduce/index.html    2014-04-10, 13:54
Hadoop Releases - MapReduce - [web site]
...Hadoop Releases Download News 07 April, 2014: Release 2.4.0 available 20 February, 2014: Release 2.3.0 available 11 December, 2013: Release 0.23.10 available 15 October, 2013: Release 2.2...
http://hadoop.apache.org/mapreduce/releases.html    2014-04-10, 13:54
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