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[MAPREDUCE-920] Add jvm params introduced in MAPREDUCE-478 to mapred-default.xml - MapReduce - [issue]
...mapred-default.xml still provides definition for old params which were deprecated in MAPREDUCE:478. It should be changed to define the new params such as  mapred.map.child.java.opts, ma...
http://issues.apache.org/jira/browse/MAPREDUCE-920    Author: Ramya Sunil, 2011-09-07, 08:35
[MAPREDUCE-1986] History files fail to move to DONE folder when hadoop.job.history.location is configured to a HDFS path - MapReduce - [issue]
...When hadoop.job.history.location is configured to a HDFS path and when the job retires, the history files are never moved tomapred.job.tracker.history.completed.location and they remain fore...
http://issues.apache.org/jira/browse/MAPREDUCE-1986    Author: Ramya Sunil, 2011-07-18, 04:35
[MAPREDUCE-1158] running_maps is not decremented when the tasks of a job is killed/failed - MapReduce - [issue]
...running_maps counter in the metrics is not decremented when the tasks of a job is killed/failed. Below are the exact steps to reproduce the problem: Initially running_maps=0 Submit a job wit...
http://issues.apache.org/jira/browse/MAPREDUCE-1158    Author: Ramya Sunil, 2010-08-24, 21:19
[MAPREDUCE-754] NPE in expiry thread when a TT is lost - MapReduce - [issue]
...NullPointerException is obtained in Tracker Expiry Thread. Below is the exception obtained in the JT logs ERROR org.apache.hadoop.mapred.JobTracker: Tracker Expiry Thread got exception: java...
http://issues.apache.org/jira/browse/MAPREDUCE-754    Author: Ramya Sunil, 2010-08-24, 21:14
[MAPREDUCE-732] node health check script should not log "UNHEALTHY" status for every heartbeat in INFO mode - MapReduce - [issue]
...Currently, when a TT is blacklisted by the node health check script, for every heartbeat a message such as the following is being logged.<date> <time> INFO org.apache.hadoop.mapr...
http://issues.apache.org/jira/browse/MAPREDUCE-732    Author: Ramya Sunil, 2010-08-24, 21:14
[MAPREDUCE-709] node health check script does not display the correct message on timeout - MapReduce - [issue]
...When the node health check script takes more than "mapred.healthChecker.script.timeout" to return, it should display a timeout message. Instead it displays the full stacktrace as below:java....
http://issues.apache.org/jira/browse/MAPREDUCE-709    Author: Ramya Sunil, 2010-08-24, 21:14
[MAPREDUCE-708] node health check script does not refresh the "reason for blacklisting" - MapReduce - [issue]
...After MAPREDUCE-211, the node health check script does not refresh the "reason for blacklisting".The steps to reproduce the issue are: Blacklist a TT with an error message 'x' Change the hea...
http://issues.apache.org/jira/browse/MAPREDUCE-708    Author: Ramya Sunil, 2010-08-24, 21:14
[MAPREDUCE-645] When disctp is used to overwrite a file, it should return immediately with an error message - MapReduce - [issue]
...When disctp is triggered to copy a directory to an already existing file, it just shows a "copy failed" error message after 4 attempts without showing any useful error message. This is extre...
http://issues.apache.org/jira/browse/MAPREDUCE-645    Author: Ramya Sunil, 2010-08-24, 21:14
[MAPREDUCE-1381] Incorrect values being displayed for blacklisted_maps and blacklisted_reduces - MapReduce - [issue]
...blacklisted_maps and blacklisted_reduces metrics collected displays wrong values. For example when trackers_blacklisted=6 and with each TT having 6 map slots and 2 reduce slots, blacklisted_...
http://issues.apache.org/jira/browse/MAPREDUCE-1381    Author: Ramya Sunil, 2010-02-19, 07:42
[MAPREDUCE-1053] MRReliabilityTest does not kill/fail tasks if history is enabled - MapReduce - [issue]
...When history is enabled, MRReliabilityTest fails to fail/kill tasks. Also the scenario of lost TTs is not being tested....
http://issues.apache.org/jira/browse/MAPREDUCE-1053    Author: Ramya Sunil, 2009-10-06, 15:53
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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