Neil Conway <[EMAIL PROTECTED]> writes:
> My next question would have been to ask whether switching to a
> spinlock here will be a performance problem. In looking at the code,
> it seems we only hold the ShmemIndexLock for a long time (hundreds of
> instructions & multiple system calls) while bootstrapping the shmem
> index hash table itself. Otherwise, the lock is acquired and released
> quickly, and even then it is only done during backend initialization,
> so there shouldn't be much contention for it. Is this analysis
> correct?
Yes, at least that was the theory I was working from when I suggested
Claudio do it this way ...
regards, tom lane
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