6.1: kern.ipc.maxpipekva

[Marc G. Fournier]

On Sat, 17 Jun 2006, Maxim Konovalov wrote:

> On Sat, 17 Jun 2006, 16:44-0300, Marc G. Fournier wrote:
>
>>
>> Jun 17 16:00:03 pluto kernel: kern.ipc.maxpipekva exceeded; see tuning(7)
>> Jun 17 16:00:04 pluto kernel: kern.ipc.maxpipekva exceeded; see tuning(7)
>
> I thought about removing this reference but then decided that better
> to add a couple of words to tuning(7) man page (and didn't add).
>
>> but I can't seem to find anything in tuning(7) about it ... so, what
>> is it and how do I monitor for it?
>
> kern/sys_pipe.c:
>
> * In order to limit the resource use of pipes, two sysctls exist:
> *
> * kern.ipc.maxpipekva - This is a hard limit on the amount of pageable
> * address space available to us in pipe_map. This value is normally
> * autotuned, but may also be loader tuned.
> *
> * kern.ipc.pipekva - This read-only sysctl tracks the current amount of
> * memory in use by pipes.

See my other note, but I take it just adding:

kern.ipc.maxpipekva=25165824

and reboot is the wrong thing to do, since the server didn't come back :(

----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
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