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From 大西高史 <>
Subject When to use HCatReader/HCatWriter API ?
Date Mon, 03 Dec 2012 06:15:54 GMT
Dear All,

I’m trying to use HCatalog 0.4.0.

In the javadoc, I've found the HCatReader/HCatWriter API and the online
documentation, too (following url).

I’ve read the documentation, but not figured out the usage scene of this

Does anyone know what’s the purpose of this API ?
When to use this API instead of HDFS API or “hadoop dfs” command?


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