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From Colin McCabe <cmcc...@alumni.cmu.edu>
Subject ioreply
Date Sun, 29 Apr 2012 01:15:10 GMT
Here is an interesting idea: recording traces of the filesystem
operations applications do, and allowing these traces to be replayed
later.

> ioreplay is mainly intended for replaying of recorded (using strace) IO traces, which
is useful for standalone
> benchmarking. It provides many features to ensure validity of such measurements.

http://code.google.com/p/ioapps/

Sounds like something we should consider doing for HDFS performance testing...

regards,
Colin

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