> This is coming from the linear search through the runqueue for an appropriate
> goodness.
no, it is coming from the fact that there are many processes runnable.
Dont shoot the messenger :) This is only the symptom of the problem.
> As Dean has already stated, apache uses flock/fcntl around accept to guarentee
> that only one process is waiting in accept.
>
> Does flock/fcntl wake up all of the processes that are waiting on the lock?
>
> If so, has the thundering herd problem just been pushed into flock/fcntl
> instead of accept?
yes.
-- mingo
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