Re: lookup on memory shortage

[Andrew Doran <ad%netbsd.org@localhost>]

On Tue, Sep 30, 2008 at 12:10:34PM +0200, Manuel Bouyer wrote:

>  0               -1        0          0 2 0x20002   23           system       
> *

What is the pagedaemon doing?

>     pending=88830

Looks like it is trying to page out...

>     nswapdev=1, swpgavail=65535
>     swpages=65535, swpginuse=65535, swpgonly=56406, paging=0
> 
> 
> This raises several questions. First, I've trouble parsing the
> swap section of the show uvmexp: what do swpgavail, swpages and
> swpginuse means ? If my swap full ?
> Second, there are only 9 free pages, but 18159 allocated to file
> cache. Why couldn't the pagedaemin free pages from the file
> cache ?
> 
> Is there something more I can do next times this happens ?

ps/l

Andrew