Re: Re[2]: Re: [PATCHES] A patch for xlog.c - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Re[2]: Re: [PATCHES] A patch for xlog.c
Date
Msg-id 200102270427.XAA12139@candle.pha.pa.us
Whole thread Raw
In response to Re: Re[2]: Re: [PATCHES] A patch for xlog.c  (The Hermit Hacker <scrappy@hub.org>)
Responses Re: Re[2]: Re: [PATCHES] A patch for xlog.c  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
> > But the mmap() limits are much larger than the SysV limits, aren't they,
> > to the point where you would never have to fiddle with the mmap() limits
> > to get 100mb of buffers, right?
> 
> Not necessarily ... it depends on the admin of the server ... then again,
> I don't consider it a hassle to add a couple of lines to my kernel config
> (or /etc/system) and reboot *shrug*  to me, its just part of the admin
> process ...

Are the kernel SysV defaults smaller than the mmap() kernel defaults?

I know it is easy for you, but the number of reports and problems we
hear about shows it is an issue for some.

--  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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