From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Hardwired MAXBACKENDS limit could be history |
Date: | 2001-01-27 04:43:00 |
Message-ID: | 200101270443.XAA04101@candle.pha.pa.us |
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Lists: | pgsql-hackers |
> It would require only very minor changes in the main backend code to
> eliminate entirely the hard-wired upper bound MAXBACKENDS. This would
> be nice since there'd never be any need to recompile in order to
> increase the soft limit MaxBackends (-N). However I see that the
> SysV-semaphore emulation code used by the QNX and Darwin ports still
> makes use of MAXBACKENDS to size some arrays. I don't especially want
> to touch that code, since I am in no position to test it. Perhaps
> someone who uses QNX and/or Darwin would like to tweak the sema code
> to not depend on a compile-time-constant MAXBACKENDS?
>
> I'm not thinking about getting this done in time for 7.1, but I think
> it'd be a nice cleanup for 7.2.
>
> Bruce, a TODO item please:
> * Remove compile-time upper limit on number of backends (MAXBACKENDS)
Added to TODO.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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