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Posted to common-dev@hadoop.apache.org by Raja Nagendra Kumar <Na...@tejasoft.com> on 2011/07/03 04:16:42 UTC

Hadoop Slave Configuration support with regular expressions

Hi,

Instead of explicit ip or host name in slave machines, would it be possible
to provide host name int he form of regular expression say

teja* to say all machines on lan with names starting with teja e.g tejanag,
tejamedha etc are the slaves, so that hadoop master can discover all such
names matching the pattern provided through netbios discovery etc.. If the
IP address is provided instead of name, say 192.168.0.* then master can run
through all the 1 to 255 and discover the slaves.

It would be nice to eliminate too much configuration by design or at make
configuration more expressive for less changes.

Regards,
Raja Nagendra Kumar,
C.T.O
www.tejasoft.com
-Hadoop Adoption Consulting
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