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Re: M/R job to a cluster? - MapReduce - [mail # user]
...To validate if your jobs are running locally, look for the classname "LocalJobRunner" in the runtime output.  Configs are sourced either from the classpath (if a dir or jar on the class...
   Author: Harsh J, 2013-04-29, 18:15
Re: POLL: Using YARN or pre-YARN? - MapReduce - [mail # user]
...By Pre-YARN Otis probably means MRv1 (i.e. JobTracker, etc.).  On Thu, Apr 25, 2013 at 12:18 PM, Krishna Kishore Bonagiri  wrote:    Harsh J...
   Author: Harsh J, 2013-04-25, 06:54
[expand - 1 more] - Re: MapTask.java -sort part - MapReduce - [mail # dev]
...Yes as Mariappan has already pointed out; the sort is pluggable so the plug-in can also nullify it. See [1] for an example implementation of the MapOutputCollector interface (class MapOutput...
   Author: Harsh J, 2013-04-23, 08:49
Re: Error about MR task when running 2T data - MapReduce - [mail # user]
...Does your node5 have adequate free space and proper multi-disk mapred.local.dir configuration set in it?  On Tue, Apr 23, 2013 at 12:41 PM, 姚吉龙  wrote:    Harsh J...
   Author: Harsh J, 2013-04-23, 07:43
Re: How to open DEBUG level for YARN application master ? - MapReduce - [mail # user]
...To change the MR AM's default log level from INFO, set the job config: "yarn.app.mapreduce.am.log.level" to DEBUG or whatever level you prefer.  On Mon, Apr 22, 2013 at 6:21 PM, Nitzan ...
   Author: Harsh J, 2013-04-23, 06:42
[expand - 1 more] - Re: HDFS load-balancing - MapReduce - [mail # user]
...Federation is already distributed (a namespace part per node); are you asking about something else?  On Sun, Apr 21, 2013 at 5:47 PM,   wrote:    Harsh J...
   Author: Harsh J, 2013-04-21, 14:17
Re: Adding 3rd-party libs in easy way ? (libjars and "fatjar" too cumbersome) - MapReduce - [mail # user]
...The MR project supports jars which have a subdirectory lib/ inside it, carrying all required dependencies. Would that not solve your need? You don't need to re-pack things, just pack them wi...
   Author: Harsh J, 2013-04-21, 12:08
Re: Create and write files on mounted HDFS via java api - MapReduce - [mail # user]
...The program (the one on the SO question) seems to work alright for me when run on a 2.x FUSE mounted HDFS:  ➜  ~  java Test true  Not currently sure on what the presented...
   Author: Harsh J, 2013-04-20, 16:26
[expand - 2 more] - Re: JobConf and MiniMapRedCluster - MapReduce - [mail # dev]
...Ah yes, we ended up un-deprecating the old API and are currently supporting both across all releases. 1.x releases too got a few patches un-deprecating the API classes.  On Thu, Apr 18,...
   Author: Harsh J, 2013-04-18, 06:11
Re: Reading and Writing Sequencefile using Hadoop 2.0 Apis - MapReduce - [mail # user]
...Sumit,  I believe we've answered this one before, so you may find http://search-hadoop.com/m/xp2w02A8bqw1 helpful too.   On Thu, Apr 18, 2013 at 4:14 AM, sumit ghosh  wrote: &...
   Author: Harsh J, 2013-04-18, 04:52
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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