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From Allen Wittenauer <awittena...@linkedin.com>
Subject Re: iozone is not working with HDFS over libfuse
Date Tue, 06 Jul 2010 19:09:19 GMT

On Jul 6, 2010, at 11:56 AM, Brian Bockelman wrote:
> HDFS does not support the full set of POSIX semantics.  I suspect bonnie++ is exercising
things which HDFS doesn't support (such as writes to a file which is already closed or seeks
during writes).

	In fact, I think the last time this came up a year or two ago, the stack trace showed that
iozone was blowing up on a call to truncate(), which is definitely not supported.
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