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Re: Wiki Edit Permission - Hadoop - [mail # dev]
...User "Zhijie Shen" has been added to contributors group on wiki. Let usknow if you still face issues!On Sat, Apr 26, 2014 at 12:20 AM, Zhijie Shen  wrote:Harsh J ...
   Author: Harsh J, 2014-04-27, 18:17
Re: configure HBase - Hadoop - [mail # user]
...A better JIRA to read would behttps://issues.apache.org/jira/browse/HBASE-4391 instead. Also read upon the mlock call which this basically invokes:http://linux.die.net/man/2/mlockOn Thu, Apr...
   Author: Harsh J, 2014-04-24, 15:33
Re: Changing default scheduler in hadoop - Hadoop - [mail # user]
...Hi,On Sun, Apr 13, 2014 at 10:47 AM, Mahesh Khandewal wrote:Doing a simple 'find' in the source checkout for name pattern'Scheduler' should reveal pretty relevant hits. We do name our J...
   Author: Harsh J, 2014-04-13, 17:25
Re: Number of map task - Hadoop - [mail # user]
...Hi,Pig applies a CombineFileInputFormat wrapper on top of the storage bydefault: http://pig.apache.org/docs/r0.12.0/perf.html#combine-filesPlease also ask Pig specific questions on its own l...
   Author: Harsh J, 2014-04-12, 12:40
Re: InputFormat and InputSplit - Network location name contains /: - Hadoop - [mail # user]
...Do not use the InputSplit's getLocations() API to supply your filepath, it is not intended for such things, if thats what you've done inyour current InputFormat implementation.If you're look...
   Author: Harsh J, 2014-04-11, 04:17
Re: not able to run map reduce job example on aws machine - Hadoop - [mail # user]
..."java.lang.IllegalArgumentException: Does not contain a validhost:port authority: poc_hadoop04:46162"Hostnames cannot carry an underscore '_' character per RFC 952 and itsextensions. Please ...
   Author: Harsh J, 2014-04-10, 13:41
Re: Hadoop 2.2.0-cdh5.0.0-beta-1 - MapReduce Streaming - Failed to run on a larger jobs - Hadoop - [mail # user]
...It appears to me that whatever chunk of the input CSV files your maptask 000149 gets, the program is unable to process it and throws anerror and exits.Look into the attempt_1395628276810_006...
   Author: Harsh J, 2014-04-10, 06:32
Re: use setrep change number of file replicas,but not work - Hadoop - [mail # user]
...The replica deletion is asynchronous. You can track its deletions viathe NameNode's over-replicated blocks and the pending delete metrics.On Thu, Apr 10, 2014 at 7:16 AM, ch huang  wrot...
   Author: Harsh J, 2014-04-10, 02:51
Re: File requests to Namenode - Hadoop - [mail # user]
...You could look at metrics the NN publishes, or look at/process theHDFS audit log.On Wed, Apr 9, 2014 at 6:36 PM, Diwakar Sharma  wrote:Harsh J ...
   Author: Harsh J, 2014-04-10, 01:23
Re: MapReduce for complex key/value pairs? - Hadoop - [mail # user]
...Yes, you can write custom writable classes that detail and serialiseyour required data structure. If you have Hadoop: The DefinitiveGuide, checkout its section "Serialization" under chapter ...
   Author: Harsh J, 2014-04-08, 18:31
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