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Re: Reg LZO compression - MapReduce - [mail # user]
...As Robert said, If you job is mainly IO intensive and CPU are idle, then having lzo would improve your overal job performance. In your case it looks like the job you are running is not IO bo...
   Author: lohit, 2012-10-17, 04:31
Re: HDFS federation - MapReduce - [mail # user]
...You can try out federation by create 3 different conf directories and starting 3 different NameNodes out of those configurations. These configurations should make sure they have different di...
   Author: lohit, 2012-10-16, 23:45
Re: HDFS using SAN - MapReduce - [mail # user]
...Adding to this. Locality is very important for MapReduce applications. One might not see much of a difference for small MapReduce jobs running on direct attached storage vs SAN, but when you...
   Author: lohit, 2012-10-16, 22:26
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