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Would multireducers be of interest to Hadoop MR core? - MapReduce - [mail # dev]
...Hi,Hadoop includes MultipleOutputs class to deal with MR job that needs towrite to multiple output formats.We at Akamai have extended the idea, and allowed multiple mappers to writeto multip...
   Author: Elazar Leibovich, 2014-09-04, 22:42
[ANN] Multireducers - run multiple reducers on the same mapreduce job - Hadoop - [mail # user]
...I'll appreciate reviews of the code and the API of multireducers - a way torun a couple of map and reduce classes in the same MapReduce job.Thanks,https://github.com/elazarl/multireducersUsa...
   Author: Elazar Leibovich, 2014-09-04, 22:15
[expand - 1 more] - Re: "Server not found in Kerberos database" for MiniKDC server - MapReduce - [mail # user]
...For the sake of completion.  The same settings worked in a Linux box.   On Wed, Jan 15, 2014 at 10:57 PM, Elazar Leibovich wrote:  ...
   Author: Elazar Leibovich, 2014-01-20, 11:34
Re: hadoop security - Hadoop - [mail # user]
...The reason you must use jsvc, is to start as root and then bind to privilleged ports. Secure Datanode won't run on non privilleged port (i.e.  The advantages are, users on your machine ...
   Author: Elazar Leibovich, 2013-11-22, 06:33
[ANN] hadoopconf - Hadoop configuration helper tool - MapReduce - [mail # user]
...I found it frustrating to edit and view hadoop configuration files by hand.  I thus wrote a small utility that enable one to edit and query hadoop configuration from the command line. &...
   Author: Elazar Leibovich, 2013-11-14, 15:34
[HADOOP-9892] Adding documentation of RPC calls to Hadoop - Hadoop - [issue]
...I've written a short document describing the usage and underpinning of Hadoop's RPC mechanism. I'd like to add it to the Hadoop project.http://hadoop.quora.com/Hadoop-RPC-mechanism...
http://issues.apache.org/jira/browse/HADOOP-9892    Author: Elazar Leibovich, 2013-08-28, 20:44
[expand - 1 more] - Re: Documentation for Hadoop's RPC mechanism - HDFS - [mail # user]
...Done https://issues.apache.org/jira/browse/HADOOP-9892   On Tue, Aug 20, 2013 at 9:01 PM, Suresh Srinivas wrote:  ...
   Author: Elazar Leibovich, 2013-08-21, 06:05
[expand - 2 more] - Re: Why Hadoop force using DNS? - HDFS - [mail # user]
...This is a reason to force reverse resolution of IPs if they do not appear in the dfs.allow. If the IP appear in dfs.allow, there's no reason to reverse-resolve it.   On Mon, Jul 29, 201...
   Author: Elazar Leibovich, 2013-07-29, 15:11
Saving counters in Mapfile - HDFS - [mail # user]
...Hi,  A common use case one want an ordered structure for, is for saving counters.  Naturally, I wanted to save the counters in a Mapfile:      for (long ix = 0; ix &...
   Author: Elazar Leibovich, 2013-07-23, 21:57
Canonical dependency for hbase client - HBase - [mail # user]
...When someone wants to use HBase's client library, which  should he use?  Using:                   org.apache.hbase      ...
   Author: Elazar Leibovich, 2013-05-09, 20:25
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