RLock IO bound?
juancarlo.anez at gmail.com
juancarlo.anez at gmail.com
Sat Mar 2 20:35:23 EST 2013
Hello,
I have a set of processes that bring any number of cores to 100% use when unsynchronized (they take independent jobs from a queue).
As soon as I add an RLock to handle shared access to a file-system directory, the CPU utilization drops to 60%.
I'm not talking about overall speed here, but about processes that were CPU bound and suddenly become bound to something else with RLock.
Any explanations?
Cheers,
-- Juancarlo
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