Colin McCabe 2012-04-29, 01:15
Here is an interesting idea: recording traces of the filesystem
operations applications do, and allowing these traces to be replayed
> 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.
Sounds like something we should consider doing for HDFS performance testing...