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From Doug Cutting <cutt...@apache.org>
Subject Re: [VOTE] Direction for Hadoop development
Date Tue, 07 Dec 2010 17:26:20 GMT
On 12/07/2010 08:12 AM, Arun C Murthy wrote:
> Blocking extensions to SequenceFile is unreasonable as has been noted by
> several folks, there is no *technical* reason to do that.

The change to SequenceFile is incompatible with older versions of 
Hadoop.  It changes the file's version number so that older versions 
will not be able to read data written by newer versions.  This is a 
technical issue.

Doug

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