'phfos' Category

  • PHFOS/CIOSim in 3 languages

    November 5, 2007

    I’ve spent the last week or so writing a customer emulation script for the QA group here to test some of our archiving products. If you’re unfamiliar with PHFOS/CIOSim, take a look here. In short, PHFOS/CIOSim is a small multi-threaded program that randomly selects files in a given directory to open and hold open. I […]

  • Why PHFOS dies if you don’t use –readstop

    November 1, 2007

    Thanks to Jon for pointing this out to me, we’re pretty sure that the reason perl chokes and gives you a bus error (on OSX) when you run PHFOS [script] like this: ./phfos.pl -d <dir> -r -v –min=2 –max=3 -n 1000 We’re actually guessing that after allocating too many threads, since we aren’t immediately exiting […]

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