Hello,

According to a hadoop tutorial  
(http://wiki.apache.org/nutch/NutchHadoopTutorial) on wiki,

"you don't want to search using DFS, you want to search using local 
filesystems.    Once the index has been created on the DFS you can use the 
hadoop copyToLocal command to move it to the local file system as such".

So my understanding is that hadoop is only good for batch index building, and 
is not proper for incremental index building and search. Is this true? By 
"incremental index building and search", I mean a system that accepts text on 
the fly, builds index  and makes the index available for search immediately. 

cheers,
Paul



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