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Track 1

  • Let me sleep on it - improving concurrency in unexpected ways

    | Duration: 30min (Frontal)
    Wohl Center, Main Hall

    Nir-Soffer.pdfContrary to the common belief, Python has real threads and even with the famous GIL, they can be used in useful ways. Vdsm is a heavily multi-threaded Python program, constantly juggling tens of threads waiting for blocking system calls. In this talk we will explore a real world thread synchronization problem taken from Vdsm's LVM cache module. We will demonstrate the problem using simple tests and show the unexpected solution.