2010/12/7 Robert Haas <robertmhaas@gmail.com>:
> 2010/12/7 Віталій Тимчишин <tivv00@gmail.com>:
>> As far as I can see from the source, there is a lot of code executed under
>> the partition lock protection, like two hash searches (and possibly
>> allocations).
>
> Yeah, that was my concern, too, though Tom seems skeptical (perhaps
> rightly). And I'm not really sure why the PROCLOCKs need to be in a
> hash table anyway - if we know the PROC and LOCK we can surely look up
> the PROCLOCK pretty expensively by following the PROC SHM_QUEUE.
Err, pretty INexpensively.
--
Robert Haas
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