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[MAPREDUCE-3663] After submitting a job. If the Runjar process gets killed ,then the job is hanging - MapReduce - [issue]
...When the job is submitted...Runjar process is created and the YarnChild processes also start running.If at this time ,the RunJar process is getting killed, the job is hanging....
http://issues.apache.org/jira/browse/MAPREDUCE-3663    Author: Ramgopal N, 2015-03-20, 00:49
[MAPREDUCE-3201] Even though jobs are getting failed on particular NM, it is not getting blacklisted - MapReduce - [issue]
...The yarnchild process on a particular NM are getting killed continuosly. Still the NM is not getting blacklisted...
http://issues.apache.org/jira/browse/MAPREDUCE-3201    Author: Ramgopal N, 2015-03-20, 00:49
[MAPREDUCE-3193] FileInputFormat doesn't read files recursively in the input path dir - MapReduce - [issue]
...java.io.FileNotFoundException is thrown,if input file is more than one folder level deep and the job is getting failed.Example:Input file is /r1/r2/input.txt...
http://issues.apache.org/jira/browse/MAPREDUCE-3193    Author: Ramgopal N, 2014-09-04, 00:52
[MAPREDUCE-3677] If "hadoop.security.authorization" is set to true, NM is not starting. - MapReduce - [issue]
...I have the hadoop cluster setup with root user.Accidentally i have set hadoop.security.authorization to true.I have not set any permissions in policy.xml.When i am trying to start the NM wit...
http://issues.apache.org/jira/browse/MAPREDUCE-3677    Author: Ramgopal N, 2014-04-25, 17:35
[MAPREDUCE-3339] Job is getting hanged indefinitely,if the child processes are killed on the NM.  KILL_CONTAINER eventtype is continuosly sent to the containers that are not existing - MapReduce - [issue]
...I have only one NM running.I have submitted a job and all the child processes on the NM got killed continuosly.This made the Job to hang indefinitely.In the NM logs it is logging WARN messag...
http://issues.apache.org/jira/browse/MAPREDUCE-3339    Author: Ramgopal N, 2013-10-03, 21:44
[MAPREDUCE-3676] Nodemanager if started before starting Resource manager is getting shutdown.But if both RM and NM are started and then after if RM is going down,NM is retrying for the RM. - MapReduce - [issue]
...If NM is started before starting the RM ,NM is shutting down with the following errorERROR org.apache.hadoop.yarn.service.CompositeService: Error starting services org.apache.hadoop.yarn.ser...
http://issues.apache.org/jira/browse/MAPREDUCE-3676    Author: Ramgopal N, 2012-10-03, 17:32
[MAPREDUCE-4130] Jobid creation is not required if the job failed because of unavailability of input path.Can input and output paths validation can be done before job ID creation step? - MapReduce - [issue]
...If the input splits cannot be computed because the input paths doesnt existJob is not submitted and error is thrown.But before that jobid is created which can be avoided.The sequence is 1)Ou...
http://issues.apache.org/jira/browse/MAPREDUCE-4130    Author: Ramgopal N, 2012-04-10, 12:28
[MAPREDUCE-4125] If we are navigating to Nodemanager UI from Resourcemanager,then there is not link to navigate back to Resource manager - MapReduce - [issue]
...If we are navigating to Nodemanager by clicking on the node link in RM,there is no link provided on the NM to navigate back to RM. If there is a link to navigate back to RM it would be ...
http://issues.apache.org/jira/browse/MAPREDUCE-4125    Author: Ramgopal N, 2012-04-09, 10:57
[MAPREDUCE-4122] The MRAppmaster process killed count is being added to the Apps Pending value(with -ve sign) in Cluster Metrics page. - MapReduce - [issue]
...Application will retry "yarn.resourcemanager.am.max-retries" times before the job is failed,if the MRAppmaster process is getting killed continously.This killed count is considered for Pendi...
http://issues.apache.org/jira/browse/MAPREDUCE-4122    Author: Ramgopal N, 2012-04-09, 09:30
[MAPREDUCE-3364] Job executed through ftp file system is failing with "java.io.IOException: Seek not supported" - MapReduce - [issue]
...Instead of hdfs file as input to the job,i have given local file through ftp as input and executed a job.The job is failing with ERRORError: java.io.IOException: Seek not supported &nbs...
http://issues.apache.org/jira/browse/MAPREDUCE-3364    Author: Ramgopal N, 2012-03-28, 03:43
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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