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From: Sindhu Hosamane <sindhuht@gmail.com>
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Subject: Re: How to make sure data blocks are shared between 2 datanodes
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Date: Mon, 26 May 2014 22:10:08 +0200
To: user@hadoop.apache.org
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ok .thanks a lot that information .=20
As i said i am running  2 datanodes on same machine . so my haddop home =
has 2 conf folders .
conf and conf2  and in turn 2 hdfs-site.xml in both conf folders .
I guess dfs.replication value in hdfs-site.xml of conf folder should be =
3 .
What should i have it in conf2  ? should it be 1 there ?

sorry if question sounds stupid . But i am unfamiliar with these kind of =
settings ( 2 datanodes on same machine ..so having 2 conf )


 If data is split across multiple datanodes , then processing capacity =
would be improved - ( thats what i guess ) since my file is only 240 KB =
, it occupies only one block . It cannot use second block and remain in =
another datanode .=20
So now , does it make sense to reduce the block size so that blocks are =
split between 2 datanodes =97if i want to take very much advantage of =
multiple datanodes .

Any advices ? Your help would be appreciated .


Best Regards,
Sindhu