I didn't even think of overriding the config dir.  Thanks for the tip!

-Ben


-----Original Message-----
From: Allen Wittenauer [mailto:a...@apache.org] 
Sent: Saturday, August 27, 2011 6:42 PM
To: hdfs-user@hadoop.apache.org
Cc: rbc...@ncsu.edu
Subject: Re: set reduced block size for a specific file


On Aug 27, 2011, at 12:42 PM, Ted Dunning wrote:

> There is no way to do this for standard Apache Hadoop.

        Sure there is.

        You can build a custom conf dir and point it to that.  You *always*
have that option for client settable options as a work around for lack of
features/bugs.

        1. Copy $HADOOP_CONF_DIR or $HADOOP_HOME/conf to a dir 
        2. modify the hdfs-site.xml to have your new block size
        3. Run the following:

HADOOP_CONF_DIR=mycustomconf hadoop dfs  -put file dir

        Convenient?  No.  Doable? Definitely.



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