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Re: issue about move data between two hdoop cluster - Hadoop - [mail # user]
...Hi Ch,How about using DistCp?http://hadoop.apache.org/docs/r1.2.1/distcp2.htmlThanks,- TsuyoshiOn Wed, Jun 4, 2014 at 5:40 PM, ch huang  wrote:- Tsuyoshi ...
   Author: Tsuyoshi OZAWA, 2014-06-05, 01:06
Re: (Very) newbie questions - Hadoop - [mail # user]
...Hi Ted and Christian,In fact, the problem is filed as HADOOP-10510.https://issues.apache.org/jira/browse/HADOOP-10510This problem is also reproduced on my local, but not on the otherenvironm...
   Author: Tsuyoshi OZAWA, 2014-06-04, 00:54
Re: ProcfsBasedProcessTree - Hadoop - [mail # user]
...Hi,The log messages mean ProcfsBasedProcessTree just updates internalinformation via procfs. The redundant log message is suppressed after2.1.0-beta, 0.23.8. For more detail, please check YA...
   Author: Tsuyoshi OZAWA, 2014-05-29, 20:19
Re: should i need tune mapred.child.java.opts option if i use yarn and MRV2? - Hadoop - [mail # user]
...Hi,You need to set mapreduce.map.java.opts and mapreduce.reduce.java.optsinstead of mapred.child.java.opts to tune JVMs when you use MRv2.Please note that you also need to tunemapreduce.map....
   Author: Tsuyoshi OZAWA, 2014-05-23, 15:29
[expand - 1 more] - Re: question about NM heapsize - Hadoop - [mail # user]
...Thank you for the point, Vinod. You're right.Thanks, Tsuyoshi On May 22, 2014 9:26 PM, "Vinod Kumar Vavilapalli" wrote: ...
   Author: Tsuyoshi OZAWA, 2014-05-23, 04:39
Re: Reuse of YARN container - Hadoop - [mail # user]
...Hi,As Oleg mentioned, container-reuse is done at ApplicationMaster levelcurrently. Tez's ApplicationMaster is one of them.Thanks,- TsuyoshiOn Thu, Apr 24, 2014 at 2:03 AM, Oleg Zhurakousky&n...
   Author: Tsuyoshi OZAWA, 2014-04-24, 12:34
Re: hadoop 2.4.0? - Hadoop - [mail # user]
...Hi,There are some known issues and blockers of 2.4.1 release.You can check it with the following query of JIRAs:(project = "Hadoop Common" OR project = "Hadoop HDFS" OR project ="Hadoop YARN...
   Author: Tsuyoshi OZAWA, 2014-04-18, 15:04
Re: Policy on adding timeouts to tests - Hadoop - [mail # dev]
...Hi Karthik,Some tests with servers like MiniCluster or ZK can never end becauseof unexpected busy loop or something if the tests don't have timeouts.It can blocks the other jobs of Jenkins s...
   Author: Tsuyoshi OZAWA, 2014-04-16, 17:52
Re: Thinking ahead - Hadoop - [mail # dev]
...Hi,+1 for 2.4.1 release(non-binding).There are some critical issues including YARN-1861 and YARN-1929 aboutRM-HA. IMO, we should include the fixes.One question is whether we can include RM-H...
   Author: Tsuyoshi OZAWA, 2014-04-14, 16:48
Re: Plans of moving towards JDK7 in trunk - Hadoop - [mail # dev]
...Hi,+1 for Karthik's idea(non-binding).IMO, we should keep the compatibility between JDK 6 and JDK 7 on both branch-1and branch-2, because users can be using them. For future releases that we...
   Author: Tsuyoshi OZAWA, 2014-04-13, 09:09
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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