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[expand - 1 more] - Re: Cartesian product in hadoop - HDFS - [mail # user]
...Hi Ajay Srivastava,  Thank your for your reply.  Could you please explain a little bit more on "Write a grouping comparator which group records on first part of key i.e. Ki."  ...
   Author: zheyi rong, 2013-04-18, 11:12
Job log location and retention - HDFS - [mail # user]
...Dear all,  I would like to ask why the logs (configurations and status) of my job disappeared in the Jobtracker web UI?  Specifically, I finished a job four days ago, but I cannot ...
   Author: zheyi rong, 2013-04-02, 10:00
Re: System.out.printlin vs Counters - HDFS - [mail # user]
...Hello,  Q1. Depends on your need. If you would like an overall statistics, for example, the number of the malformed records in your datasets, use counters. If you just want to know what...
   Author: zheyi rong, 2013-03-27, 10:38
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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