[jira] [Created] (MAPREDUCE-6529) AppMaster will not retry to request resource if AppMaster happens to decide to not use the resource
Wei Chen created MAPREDUCE-6529: --- Summary: AppMaster will not retry to request resource if AppMaster happens to decide to not use the resource Key: MAPREDUCE-6529 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6529 Project: Hadoop Map/Reduce Issue Type: Improvement Components: mr-am Affects Versions: 2.6.0 Reporter: Wei Chen -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Created] (MAPREDUCE-6482) Since jvm reuse is not supported in hadoop 2.x, why I still find mapreduce.job.jvm.numtasks in mapre-default.xml
Wei Chen created MAPREDUCE-6482: --- Summary: Since jvm reuse is not supported in hadoop 2.x, why I still find mapreduce.job.jvm.numtasks in mapre-default.xml Key: MAPREDUCE-6482 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6482 Project: Hadoop Map/Reduce Issue Type: Bug Affects Versions: 2.7.1, 2.7.0, 2.6.0 Reporter: Wei Chen -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Created] (MAPREDUCE-6457) kill task before the task is truely runing on a slave node
Wei Chen created MAPREDUCE-6457: --- Summary: kill task before the task is truely runing on a slave node Key: MAPREDUCE-6457 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6457 Project: Hadoop Map/Reduce Issue Type: Bug Components: applicationmaster, mrv2 Affects Versions: 2.7.1, 2.6.0 Environment: regular environment Reporter: Wei Chen I happned to find this bug. When I am doing some development based on Hadoop-2.6.0. I happend to send to T_KILL signal to one of maptask before this task is register to TaskAttemptListener. Because the attempt is not assigned with a container yet. It may lead to a lot of errors. -- This message was sent by Atlassian JIRA (v6.3.4#6332)