From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
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To: | maillist(at)candle(dot)pha(dot)pa(dot)us (maillist) |
Cc: | brett(at)abraxas(dot)scene(dot)com, pgsql-hackers(at)hub(dot)org |
Subject: | Re: [HACKERS] removing the exec() from doexec() |
Date: | 1998-04-30 01:53:36 |
Message-ID: | 199804300153.VAA00508@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-hackers |
> This exec() takes 15% of our startup time. I have wanted it removed for
> many releases now. The only problem is to rip out the code that
> re-attached to shared memory and stuff like that, because you will no
> longer loose the shared memory in the exec(). The IPC code is
> complicated, so good luck. I or others can help if you get stuck.
>
Another item is to no longer use SYSV shared memory but use
mmap(MAP_ANON) because this allows a much larger amount of shared memory
to be used.
--
Bruce Momjian | 830 Blythe Avenue
maillist(at)candle(dot)pha(dot)pa(dot)us | Drexel Hill, Pennsylvania 19026
+ If your life is a hard drive, | (610) 353-9879(w)
+ Christ can be your backup. | (610) 853-3000(h)
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