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[expand - 2 more] - Re: Upgrading findbugs - MapReduce - [mail # dev]
...So far we made great progress on fixing findbugs warnings. We're free offindbugs warnings in hdfs, nfs, and a couple other sub projects. There aretwo findbugs warnings left in hadoop-common....
   Author: Haohui Mai, 2014-12-18, 22:45
[MAPREDUCE-6189] TestMRTimelineEventHandling fails in trunk - MapReduce - [issue]
...From https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1988/:REGRESSION:  org.apache.hadoop.mapred.TestMRTimelineEventHandling.testMRTimelineEventHandlingError Message:Job didn't fin...
http://issues.apache.org/jira/browse/MAPREDUCE-6189    Author: Ted Yu, 2014-12-18, 22:12
[expand - 6 more] - Re: Using hadoop with other distributed filesystems - MapReduce - [mail # dev]
...I think you missed the point that Harsh was pointing out:The namenode and datanode is used to build the hdfs:// filesystem .  There is no namenode or datanode in a file:/// setup.  ...
   Author: Allen Wittenauer, 2014-12-18, 18:01
[MAPREDUCE-6198] NPE from JobTracker#resolveAndAddToTopology in MR1 cause initJob and heartbeat failure. - MapReduce - [issue]
...NPE from JobTracker#resolveAndAddToTopology in MR1 cause initJob and heartbeat failure. The NPE is caused by dnsToSwitchMapping.resolve return null at the following:    List &...
http://issues.apache.org/jira/browse/MAPREDUCE-6198    Author: zhihai xu, 2014-12-18, 04:20
[MAPREDUCE-6149] Document override log4j.properties in MR job - MapReduce - [issue]
...This new feature comes from MAPREDUCE-6052, some documentation requirements from Vinod below:    Document the new config in mapred-default.xml    Mention in tha...
http://issues.apache.org/jira/browse/MAPREDUCE-6149    Author: Junping Du, 2014-12-18, 02:28
[MAPREDUCE-4662] JobHistoryFilesManager thread pool never expands - MapReduce - [issue]
...The job history file manager creates a threadpool with core size 1 thread, max pool size 3.   It never goes beyond 1 thread though because its using a LinkedBlockingQueue which doesn't ...
http://issues.apache.org/jira/browse/MAPREDUCE-4662    Author: Thomas Graves, 2014-12-16, 20:15
[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, 2014-12-16, 18:40
[MAPREDUCE-6191] TestJavaSerialization fails with getting incorrect MR job result - MapReduce - [issue]
...TestJavaSerialization#testMapReduceJob() fails with getting incorrect MR job result:"junit.framework.ComparisonFailure: expected:<[a ]1> but was:<[0 1]1>"...
http://issues.apache.org/jira/browse/MAPREDUCE-6191    Author: sam liu, 2014-12-16, 18:26
[MAPREDUCE-6166] Reducers do not validate checksum of map outputs when fetching directly to disk - MapReduce - [issue]
...In very large map/reduce jobs (50000 maps, 2500 reducers), the intermediate map partition output gets corrupted on disk on the map side. If this corrupted map output is too large to shuffle ...
http://issues.apache.org/jira/browse/MAPREDUCE-6166    Author: Eric Payne, 2014-12-16, 18:12
[MAPREDUCE-6193] Hadoop 2.x MapReduce Job Counter Data Local Maps Lower than Hadoop 1.x - MapReduce - [issue]
...I run the MapReduce job at 400+ node of cluster based on Hadoop 2.4.0 confined scheduer is FairScheduer and I noticed Job Counter of Data-Local is much lower than Hadoop 1.x Such as these si...
http://issues.apache.org/jira/browse/MAPREDUCE-6193    Author: Xu Chen, 2014-12-16, 08:11
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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