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[MAPREDUCE-6223] TestJobConf#testNegativeValueForTaskVmem failures - MapReduce - [issue]
...Tests run: 8, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 3.328 sec <<< FAILURE! - in org.apache.hadoop.conf.TestJobConftestNegativeValueForTaskVmem(org.apache.hadoop.conf.Tes...
http://issues.apache.org/jira/browse/MAPREDUCE-6223    Author: Gera Shegalov, 2015-01-31, 03:18
[MAPREDUCE-4815] FileOutputCommitter.commitJob can be very slow for jobs with many output files - MapReduce - [issue]
...If a job generates many files to commit then the commitJob method call at the end of the job can take minutes.  This is a performance regression from 1.x, as 1.x had the tasks commit di...
http://issues.apache.org/jira/browse/MAPREDUCE-4815    Author: Jason Lowe, 2015-01-31, 00:22
[MAPREDUCE-6237] DBRecordReader is not thread safe - MapReduce - [issue]
...DBInputFormat.createDBRecorder is reusing JDBC connections across instances of DBRecordReader. This is not a good idea. We should be creating separate connection. If performance is a concern...
http://issues.apache.org/jira/browse/MAPREDUCE-6237    Author: Kannan Rajah, 2015-01-31, 00:14
[MAPREDUCE-6236] Fix findbugs warnings in hadoop-mapreduce-client-core - MapReduce - [issue]
...Dm Found reliance on default encoding in org.apache.hadoop.mapreduce.security.SecureShuffleUtils.toHex(byte[]): java.io.ByteArrayOutputStream.toString()Dm Found reliance on default encoding ...
http://issues.apache.org/jira/browse/MAPREDUCE-6236    Author: Masatake Iwasaki, 2015-01-31, 00:09
[MAPREDUCE-6143] add configuration for  mapreduce speculative execution in MR2 - MapReduce - [issue]
...add configuration for  mapreduce speculative execution in MR2.Currently mapreduce.job.speculative.speculativecap and mapreduce.job.speculative.slownodethreshold are not used for MR2 map...
http://issues.apache.org/jira/browse/MAPREDUCE-6143    Author: zhihai xu, 2015-01-30, 22:34
[MAPREDUCE-6151] Update document of GridMix - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-6151    Author: Masatake Iwasaki, 2015-01-30, 19:14
[MAPREDUCE-6235] Bundle and compress files passed with -libjars prior to uploading and distributing - MapReduce - [issue]
...To improve performance, we should upload jars flagged by -libjars as a single bundle and expand on arrival instead of uploading the jars one by one.   This would also reduce network ove...
http://issues.apache.org/jira/browse/MAPREDUCE-6235    Author: Dustin Cote, 2015-01-30, 18:15
[MAPREDUCE-6150] Update document of Rumen - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-6150    Author: Masatake Iwasaki, 2015-01-30, 15:26
[MAPREDUCE-6231] Grep example job is not working on a fully-distributed cluster - MapReduce - [issue]
...Grep.java is missing Job.setJarByClass, so grep example job is not working on a fully-distributed cluster.This issue was originally reported at user ML.http://mail-archives.apache.org/mod_mb...
http://issues.apache.org/jira/browse/MAPREDUCE-6231    Author: Akira AJISAKA, 2015-01-30, 15:26
[MAPREDUCE-6234] TestHighRamJob fails - MapReduce - [issue]
...------------------------------------------------------- T E S T S-------------------------------------------------------Running org.apache.hadoop.mapred.gridmix.TestHighRamJobTests run:...
http://issues.apache.org/jira/browse/MAPREDUCE-6234    Author: Masatake Iwasaki, 2015-01-30, 01:26
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB