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Posted to mapreduce-dev@hadoop.apache.org by Ahmad Shahzad <as...@gmail.com> on 2010/08/02 13:51:35 UTC

sockets in hadoop

Hi ALL,
           Can anyone tell me the purpose of sockets used in hadoop. I mean
for which purpose hadoop uses sockets?  are they used by tasktracker and
jobtrackers ? or used by namenode and datanode ?

Secondly, if hadoop has to use sockets does it uses the socket factory
classes given in org/apache/hadoop/net directory?

Ahmad