Re: Hardwired MAXBACKENDS limit could be history
| От | Bruce Momjian |
|---|---|
| Тема | Re: Hardwired MAXBACKENDS limit could be history |
| Дата | |
| Msg-id | 200101270443.XAA04101@candle.pha.pa.us обсуждение исходный текст |
| Ответ на | Hardwired MAXBACKENDS limit could be history (Tom Lane <tgl@sss.pgh.pa.us>) |
| Список | 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@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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