Re: Performance monitor signal handler - Mailing list pgsql-hackers

From Patrick Welche
Subject Re: Performance monitor signal handler
Date
Msg-id 20010317202956.M22726@quartz.newn.cam.ac.uk
Whole thread Raw
In response to Re: Performance monitor signal handler  (Jan Wieck <JanWieck@Yahoo.com>)
List pgsql-hackers
On Fri, Mar 16, 2001 at 05:25:24PM -0500, Jan Wieck wrote:
> Jan Wieck wrote:
...
>     Just  to  get  some  evidence  at hand - could some owners of
>     different platforms compile and run  the  attached  little  C
>     source please?
... 
>     Seems Tom is (unfortunately) right. The pipe blocks at 4K.

On NetBSD-1.5S/i386 with just the highly conservative shmem defaults:

Pipe buffer is 4096 bytes
Sys-V message queue buffer is 2048 bytes

Cheers,

Patrick


pgsql-hackers by date:

Previous
From: Nat Howard
Date:
Subject: Re: Beta6 for Tomorrow
Next
From: Tom Lane
Date:
Subject: Re: pg_ctl problem (was Re: BeOS Patch)