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[HADOOP-7781] Remove RecordIO - Hadoop - [issue]
...HADOOP-6155 deprecated RecordIO in 0.21. We should remove it from trunk, as nothing anymore uses it and the tests are taking up resources.We should attempt to remove record IO and also check...
http://issues.apache.org/jira/browse/HADOOP-7781    Author: Harsh J, 2015-03-28, 02:11
Re: Linux Container Executor (LCE) vs Default Container Executor(DCE) - Hadoop - [mail # user]
...This is incorrect. The DCE executes as the NodeManager process user ('yarn'typically), and the LCE in non-secure mode by default runs only as 'nobody'(or arbitrary static user) unless asked ...
   Author: Harsh J, 2015-03-26, 18:33
Re: Swap requirements - Hadoop - [mail # user]
...The suggestion (regarding swappiness) is not for disabling swap as much asit is to 'not using swap (until really necessary)'. When you run a constantmemory-consuming service such as HBase yo...
   Author: Harsh J, 2015-03-25, 22:28
Re: namenode recovery - Hadoop - [mail # user]
...Not automatically. You'd need to copy over the VERSION and fsimage* filesfrom your SecondaryNN's checkpoint directory over to the new NameNode'sconfigured name directory to start it back up ...
   Author: Harsh J, 2015-03-25, 22:25
Re: Identifying new files on HDFS - Hadoop - [mail # user]
...Look at timestamps of the file? HDFS maintains both mtimes and atimes(latter's not exposed in -ls though).In ETL context, a simple workflow system also resolves this. You have anincoming dir...
   Author: Harsh J, 2015-03-25, 21:27
Re: Can block size for namenode be different from wdatanode block size? - Hadoop - [mail # user]
...does not use this parameterActually, as a configuration, its only relevant to the client. See alsohttp://www.quora.com/How-do-I-check-HDFS-blocksize-default-customOther points sound about ri...
   Author: Harsh J, 2015-03-25, 21:21
[HADOOP-9461] JobTracker and NameNode both grant delegation tokens to non-secure clients - Hadoop - [issue]
...If one looks at the MAPREDUCE-1516 added logic in JobTracker.java's isAllowedDelegationTokenOp() method, and apply non-secure states of UGI.isSecurityEnabled == false and authMethod == SIMPL...
http://issues.apache.org/jira/browse/HADOOP-9461    Author: Harsh J, 2015-03-25, 10:42
Re: Tell which reduce task run which partition - Hadoop - [mail # user]
...Your example is the reality case. The reducer ID matches its partitioninteger.On Fri, Mar 20, 2015 at 5:14 PM, xeonmailinglist-gmail <[EMAIL PROTECTED]> wrote:Harsh J ...
   Author: Harsh J, 2015-03-24, 20:18
[HADOOP-7947] Validate XMLs if a relevant tool is available, when using scripts - Hadoop - [issue]
...Given that we are locked down to using only XML for configuration and most of the administrators need to manage it by themselves (unless a tool that manages for you is used), it would be goo...
http://issues.apache.org/jira/browse/HADOOP-7947    Author: Harsh J, 2015-03-17, 00:35
[HADOOP-8435] Propdel all svn:mergeinfo - Hadoop - [issue]
...TortoiseSVN/some versions of svn have added several mergeinfo props to Hadoop's svn files/dirs (list below).We should propdel that unneeded property, and fix it up. This otherwise causes pai...
http://issues.apache.org/jira/browse/HADOOP-8435    Author: Harsh J, 2015-03-11, 20:34
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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