> It would seem, therefore, that lwlock.c's behavior of immediately
> granting the lock to released waiters is not such a good idea after all.
> Perhaps we should release waiters but NOT grant them the lock; when they
> get to run, they have to loop back, try to get the lock, and possibly go
> back to sleep if they fail. This apparent waste of cycles is actually
> beneficial because it saves context swaps overall.
Another question: Is there a way to release buffer locks without
aquiring the master lock?
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill,
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