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Re: File formats in Hadoop - Hadoop - [mail # user]
...And then there is the matter of how you put the data in the file. I've heard that some people write the data as protocolbuffers into the sequence file.  2011/3/19 Harsh J :    ...
   Author: Niels Basjes, 2011-03-20, 11:04
[expand - 1 more] - Re: Efficiently partition broadly distributed keys - Hadoop - [mail # user]
...Hi Luca,  2011/3/10 Luca Aiello :   "hadoop embedded" tool to do this. This is what I suspected indeed.  The mapreduce model simply uses the  as the pivot of the processi...
   Author: Niels Basjes, 2011-03-10, 22:07
Re: Comparison between Gzip and LZO - Hadoop - [mail # user]
...Question: Are you 100% sure that nothing else was running on that system during the tests? No cron jobs, no "makewhatis" or "updatedb"?  P.S. There is a permission issue with downloadin...
   Author: Niels Basjes, 2011-03-02, 20:16
Re: How to make a CGI with HBase? - Hadoop - [mail # user]
...Hi,  Is there a very basic example on such a KISS interface towards a HBase tabl e?  Thanks  2011/3/1 Michael Segel : straight to it. Base is a learning curve. You might want ...
   Author: Niels Basjes, 2011-03-01, 20:29
Re: Hadoop in Real time applications - Hadoop - [mail # user]
...2011/2/17 Karthik Kumar :  Hadoop consists of several components. Components like HDFS and HBase are quite suitable for "interactive" solutions (as in: I usually get an answer within 0....
   Author: Niels Basjes, 2011-02-17, 08:39
Bug in the Hudson QA? - Hadoop - [mail # dev]
...Yesterday I uploaded a patch and the Hadoop QA responded some 30 minutes later with:  +1 javadoc. The javadoc tool did not generate any warning messages. ... Test results: https://hudso...
   Author: Niels Basjes, 2011-02-06, 22:36
[expand - 1 more] - Re: Report as a bug? - Hadoop - [mail # dev]
...Done, https://issues.apache.org/jira/browse/HADOOP-7127  2011/1/29 Konstantin Boudnik : eSystem ":" + conf ;    Met vriendelijke groeten,  Niels Basjes...
   Author: Niels Basjes, 2011-01-29, 23:17
Re: Losing Records with Block Compressed Sequence File - Hadoop - [mail # user]
...Hi,  2011/1/21 David Sinclair : es.  How big is the output file? How many splits are created?   I've been working on HADOOP-7076 which makes Gzip Splittable (feature is almost...
   Author: Niels Basjes, 2011-01-22, 12:45
Re: Restricting number of records from map output - Hadoop - [mail # general]
...Hi,   I think I understand your goal. However the question is toward (what I think) is the wrong solution.  A mapper gets 1 record as input and only knows about that one record. Th...
   Author: Niels Basjes, 2011-01-14, 16:46
Re: TeraSort question. - Hadoop - [mail # user]
...Raj,  Have a look at the graph shown here: http://cs.smith.edu/dftwiki/index.php/Hadoop_Tutorial_1.1_--_Generating_Tas k_Timelines  It should make clear that the number of tasks va...
   Author: Niels Basjes, 2011-01-11, 19:07
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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