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[MAPREDUCE-4799] Task Attempts Page has tools open, not job - MapReduce - [issue]
...When you go the the task attempts page either on the running AM or the history server the "Tools" section on the left is open, when it should be the "Job" section....
http://issues.apache.org/jira/browse/MAPREDUCE-4799    Author: Robert Joseph Evans, 2012-11-14, 15:33
[MAPREDUCE-4772] Fetch failures can take way too long for a map to be restarted - MapReduce - [issue]
...In one particular case we saw a NM go down at just the right time, that most of the reducers got the output of the map tasks, but not all of them.The ones that failed to get the output repor...
http://issues.apache.org/jira/browse/MAPREDUCE-4772    Author: Robert Joseph Evans, 2012-11-09, 14:02
[MAPREDUCE-4760] Make a version of Counters that is composite for the job and stores the counter values in arrays - MapReduce - [issue]
...String interning reduced the size of counters a lot.  After that and the fix for a memory leak in the IPC server a job with 20000 map tasks and 3000 reducers takes about 200MB to store ...
http://issues.apache.org/jira/browse/MAPREDUCE-4760    Author: Robert Joseph Evans, 2012-10-31, 17:38
[MAPREDUCE-4303] Look at using String.intern to dedupe some Strings - MapReduce - [issue]
...MAPREDUCE-4301 fixes one issue with too many duplicate strings, but there are other places where it is not as simple to remove the duplicates.  In these cases the source of the strings ...
http://issues.apache.org/jira/browse/MAPREDUCE-4303    Author: Robert Joseph Evans, 2012-10-24, 15:03
[MAPREDUCE-4300] OOM in AM can turn it into a zombie. - MapReduce - [issue]
...It looks like 4 threads in the AM died with OOM but not the one pinging the RM.stderr for this AMWARNING: org.apache.hadoop.metrics.jvm.EventCounter is deprecated. Please use org.apache.hado...
http://issues.apache.org/jira/browse/MAPREDUCE-4300    Author: Robert Joseph Evans, 2012-10-11, 18:48
[MAPREDUCE-4423] Potential infinite fetching of map output - MapReduce - [issue]
...Inside Fetcher.java there are a few cases where an error can happen and the corresponding map task is not marked as a fetch failure.  One of these is if the Shuffle server returns a mal...
http://issues.apache.org/jira/browse/MAPREDUCE-4423    Author: Robert Joseph Evans, 2012-09-07, 22:10
[MAPREDUCE-4373] Fix Javadoc warnings in JobClient. - MapReduce - [issue]
...It looks like MAPREDUCE-4355 added in two new javadoc warnings.[WARNING] /home/jenkins/jenkins-slave/workspace/PreCommit-MAPREDUCE-Build/trunk/hadoop-mapreduce-project/hadoop-mapreduce-clien...
http://issues.apache.org/jira/browse/MAPREDUCE-4373    Author: Robert Joseph Evans, 2012-09-07, 22:10
[MAPREDUCE-4611] MR AM dies badly when Node is decomissioned - MapReduce - [issue]
...The MR AM always thinks that it is being killed by the RM when it gets a kill signal and it has not finished processing yet.  In reality the RM kill signal is only sent when the client ...
http://issues.apache.org/jira/browse/MAPREDUCE-4611    Author: Robert Joseph Evans, 2012-09-01, 15:00
[MAPREDUCE-4600] TestTokenCache.java from MRV1 no longer compiles - MapReduce - [issue]
...    [javac] hadoop-mapreduce-project/build.xml:569: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds &n...
http://issues.apache.org/jira/browse/MAPREDUCE-4600    Author: Robert Joseph Evans, 2012-08-29, 15:01
[MAPREDUCE-4538] Please delete me - MapReduce - [issue]
...I am in a bad state will someone please delete me....
http://issues.apache.org/jira/browse/MAPREDUCE-4538    Author: Robert Joseph Evans, 2012-08-15, 05:00
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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