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can i shutdown one of work node when i do cluster balance operation? - Hadoop - [mail # user]
...hi,maillist:        i want to update my some of worknode JDK version ,but the wholecluster is in balance process ,can i do it? ...
   Author: ch huang, 2014-05-28, 08:20
issue about " error: org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl: Application doesn't exist in cache appattempt_xxx" - Hadoop - [mail # user]
...hi,mailist:            i use 6-worknodes hadoop cluster ,version is CDH4.4, thecluster run 2 month with out any problem ,but today i find i can not gethive...
   Author: ch huang, 2014-05-28, 07:47
issue abount disk volume of node - Hadoop - [mail # user]
...hi,maillist:        i have a 3-datanode cluster ,with each one has 1T disk volume,recently i need run an app which need lots of disk volume, so i addanother three da...
   Author: ch huang, 2014-05-28, 00:36
should i need tune mapred.child.java.opts option if i use yarn and MRV2? - Hadoop - [mail # user]
...hi,mailist:             i want to know if this option still cause limitation in YARN? ...
   Author: ch huang, 2014-05-23, 05:58
question about NM heapsize - Hadoop - [mail # user]
...hi,maillist:    i set YARN_NODEMANAGER_HEAPSIZE=15000,so the NM run in a 15G JVM,butwhy i see web ui of yarn ,in it's Active Nodes -> Mem Avail ,only 8GB? ,why? ...
   Author: ch huang, 2014-05-23, 02:50
about hadoop upgrade - Hadoop - [mail # user]
...hi,maillist:        i want to upgrade my cluster ,in doc,one of step is backupnamenode dfs.namenode.name.dirdirectory,i have 2 directories defined in hdfs-site.xml,s...
   Author: ch huang, 2014-05-19, 10:10
question about search log use yarn command - Hadoop - [mail # user]
...hi,mailist:          doc say          $ $HADOOP_YARN_HOME/bin/yarn logsRetrieve logs for completed YARN applications.usage: yarn l...
   Author: ch huang, 2014-05-16, 22:47
issue about joblistcache - Hadoop - [mail # user]
...hi,maillist:         i see lot's of information from yarn jobhistory server says  ,where is the JobListCache  location?"2014-05-15 15:15:30,758 WARNorg.apa...
   Author: ch huang, 2014-05-16, 16:52
how to set job history server retention? - Hadoop - [mail # user]
...hi,maillist:               i use yarn job history server,it seems collect a lot of logand info,how can i set the retention of these logs? thanks ...
   Author: ch huang, 2014-05-16, 16:27
[expand - 1 more] - Re: issue about cluster balance - Hadoop - [mail # user]
...i record the disk status befor balance and after balance,from one of sourcenode  and one of destination nodebeforesource node/dev/sdd              1.8...
   Author: ch huang, 2014-05-15, 13:29
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