Re: [Hampshire] Linux RAM usages

2010-07-14 Thread James Courtier-Dutton
On 13 July 2010 20:22, Sean Gibbins wrote: > > Did anyone else initially read the subject as 'Linux RAM sausages'? > > *sigh* > > Sean > Must have been watching those Sex Ed programs on Channel 4 recently. ;-) I was quite surprised how explicit they were. Almost cracked my sides laughing!!! -- P

Re: [Hampshire] Linux RAM usages

2010-07-14 Thread Jacqui Caren-home
Chris Dennis wrote: On 13/07/10 20:22, Sean Gibbins wrote: Did anyone else initially read the subject as 'Linux RAM sausages'? *sigh* No. You must be hungry. But now you mention it - Hmm sausage and bacon sarnies. Must stop for brekkies now. Jacqui -- Please post to: Hampshire@mailman.lug.

Re: [Hampshire] Linux RAM usages

2010-07-13 Thread Chris Dennis
On 13/07/10 20:22, Sean Gibbins wrote: On 13/07/10 17:59, James Courtier-Dutton wrote: Hi, I notice that Linux tends to always use about 95% of RAM all the time, for cache mostly. Is there any sysctl that could move this to 80% ? Please don't ask me why because the answer it stupid!!! Kind Reg

Re: [Hampshire] Linux RAM usages

2010-07-13 Thread James
On Tue, 2010-07-13 at 20:23 +0100, Dee Earley wrote: > > That sounds more like an IO/bandwidth problem to me. > Well, the raw throughput is always very good... James -- James theholyet...@googlemail.com PGP key ID: 03F94B5D --

Re: [Hampshire] Linux RAM usages

2010-07-13 Thread Dee Earley
On 13/07/2010 19:30, James wrote: On Tue, 2010-07-13 at 19:01 +0100, Hugo Mills wrote: Not that I'm aware of. Linux uses all the spare RAM for cache, because having spare RAM unused would be a waste. If a process actually needs more RAM (because it's starting up and allocating memory, say),

Re: [Hampshire] Linux RAM usages

2010-07-13 Thread Sean Gibbins
On 13/07/10 17:59, James Courtier-Dutton wrote: Hi, I notice that Linux tends to always use about 95% of RAM all the time, for cache mostly. Is there any sysctl that could move this to 80% ? Please don't ask me why because the answer it stupid!!! Kind Regards James Did anyone else initia

Re: [Hampshire] Linux RAM usages

2010-07-13 Thread Vic
>I've never seen this happen -- even when copying large files > around. What do you have set for /proc/sys/vm/swappiness? > I would suggest that you have something else going on. Firefox is the one that usually sets my machine off. Eventually, it gets to a GC loop that doesn't finish :-( V

Re: [Hampshire] Linux RAM usages

2010-07-13 Thread Hugo Mills
On Tue, Jul 13, 2010 at 07:30:04PM +0100, James wrote: > On Tue, 2010-07-13 at 19:01 +0100, Hugo Mills wrote: > >Not that I'm aware of. Linux uses all the spare RAM for cache, > > because having spare RAM unused would be a waste. If a process > > actually needs more RAM (because it's starting u

Re: [Hampshire] Linux RAM usages

2010-07-13 Thread James
On Tue, 2010-07-13 at 19:01 +0100, Hugo Mills wrote: >Not that I'm aware of. Linux uses all the spare RAM for cache, > because having spare RAM unused would be a waste. If a process > actually needs more RAM (because it's starting up and allocating > memory, say), then some files are evicted fr

Re: [Hampshire] Linux RAM usages

2010-07-13 Thread Hugo Mills
On Tue, Jul 13, 2010 at 05:59:46PM +0100, James Courtier-Dutton wrote: > I notice that Linux tends to always use about 95% of RAM all the time, > for cache mostly. > Is there any sysctl that could move this to 80% ? Not that I'm aware of. Linux uses all the spare RAM for cache, because having s

[Hampshire] Linux RAM usages

2010-07-13 Thread James Courtier-Dutton
Hi, I notice that Linux tends to always use about 95% of RAM all the time, for cache mostly. Is there any sysctl that could move this to 80% ? Please don't ask me why because the answer it stupid!!! Kind Regards James -- Please post to: Hampshire@mailman.lug.org.uk Web Interface: https://mailma