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Re: virtual memory consumption - Hadoop - [mail # user]
...Hi Jakub,You have 2 options:1. Turning off virtual memory check as you mentioned.2. Making yarn.nodemanager.vmem-pmem-ratio larger.1. is reasonable choice if you cannot predict virtual memor...
   Author: Tsuyoshi OZAWA, 2014-09-11, 11:30
[expand - 15 more] - Re: [VOTE] Release Apache Hadoop 2.5.1 RC0 - MapReduce - [mail # dev]
...* Verified signatures.* Verified LICENSE.txt  NOTICE.txt  README.txt are included in bothsource tar ball and bin tar ball.+1 once Akira's comment is addressed.Thanks,- TsuyoshiOn T...
   Author: Tsuyoshi OZAWA, 2014-09-09, 07:15
[MAPREDUCE-6071] JobImpl#makeUberDecision doesn't log that Uber mode is disabled because of too much CPUs - MapReduce - [issue]
...JobImpl#makeUberDecision usually logs why the Job cannot be launched as Uber mode(e.g. "too much RAM;" or something).  About CPUs, it's not logged currently. We should log it when "too ...
http://issues.apache.org/jira/browse/MAPREDUCE-6071    Author: Tsuyoshi OZAWA, 2014-09-06, 15:06
Re: Need some tutorials for Mapreduce written in Python - Hadoop - [mail # user]
...Hi,Latest version of the document Sebastiano mentioned is available here:http://hadoop.apache.org/docs/current/hadoop-mapreduce-client/hadoop-mapreduce-client-core/HadoopStreaming.htmlThanks...
   Author: Tsuyoshi OZAWA, 2014-09-06, 02:26
[YARN-2515] Update ConverterUtils#toContainerId to parse epoch - YARN - [issue]
...ContaienrId#toString was updated on YARN-2182. We should also update ConverterUtils#toContainerId to parse epoch....
http://issues.apache.org/jira/browse/YARN-2515    Author: Tsuyoshi OZAWA, 2014-09-05, 19:40
[MAPREDUCE-6073] Description of mapreduce.job.speculative.slowtaskthreshold in mapred-default should be moved into description tags - MapReduce - [issue]
...Currently, description of mapreduce.job.speculative.slowtaskthreshold in mapred-default is put outside of description tags. We should move it into description tags.<property> &nbs...
http://issues.apache.org/jira/browse/MAPREDUCE-6073    Author: Tsuyoshi OZAWA, 2014-09-05, 17:59
[MAPREDUCE-6070] yarn.app.am.resource.mb/cpu-vcores affects uber mode but is not documented - MapReduce - [issue]
...We should document the condition when uber mode is enabled. Currently, users need to read following code to understand the condition.    boolean smallMemory =   &nbs...
http://issues.apache.org/jira/browse/MAPREDUCE-6070    Author: Tsuyoshi OZAWA, 2014-09-05, 17:58
[YARN-1514] Utility to benchmark ZKRMStateStore#loadState for ResourceManager-HA - YARN - [issue]
...ZKRMStateStore is very sensitive to ZNode-related operations as discussed in YARN-1307, YARN-1378 and so on. Especially, ZKRMStateStore#loadState is called when RM-HA cluster does failover. ...
http://issues.apache.org/jira/browse/YARN-1514    Author: Tsuyoshi OZAWA, 2014-09-04, 23:10
[HADOOP-9822] create constant MAX_CAPACITY in RetryCache rather than hard-coding 16 in RetryCache constructor - Hadoop - [issue]
...The magic number "16" is also used in ClientId.BYTE_LENGTH, so hard-coding magic number "16" is a bit confusing....
http://issues.apache.org/jira/browse/HADOOP-9822    Author: Tsuyoshi OZAWA, 2014-09-04, 12:17
[HADOOP-11036] Add build directory to .gitignore - Hadoop - [issue]
...After building hadoop, build directory is generated under hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/build/. It's useful to ignore the directory to avoid wrong operati...
http://issues.apache.org/jira/browse/HADOOP-11036    Author: Tsuyoshi OZAWA, 2014-09-03, 17:37
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