On 10/30/07, Marcy Cortes [EMAIL PROTECTED] wrote:
huge 15 IFL at peak app :)... We've had our share there of these and
badly written code before... The generational GC, new with 6.1, seems
to be a *phenomonal* difference (and I don't say that lightly never
believing that perf knobs at the
On Sun, 28 Oct 2007 08:41:16 am Marcy Cortes wrote:
So, if I'm understanding right, those would be dirty pages no longer
needed hanging out there in swap?
That's right -- but you'll get arguments on the definition of no longer
needed. Having sent a page to the swap device, Linux will keep it
PROTECTED] On Behalf Of
Vic Cross
Sent: Monday, October 29, 2007 7:58 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: [LINUX-390] Swap oddities
On Sun, 28 Oct 2007 08:41:16 am Marcy Cortes wrote:
So, if I'm understanding right, those would be dirty pages no longer
needed hanging out there in swap
On Tue, 30 Oct 2007 06:19:33 am Marcy Cortes wrote:
I'm not sure it is working as designed.
I never said it was a good design -- and perhaps I should have read your
earlier messages prior to saying that. :) It does depend on your point of
view though -- it's another one of these aspects that
-mail
and delete this message. Thank you for your cooperation.
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Vic Cross
Sent: Monday, October 29, 2007 7:29 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: [LINUX-390] Swap oddities
On Tue, 30 Oct 2007 06:19:33
OK, this test one is sles9x (2.6.5-7.286-s390x) - was6.1.. Idle.
Using 901MB Swap space (on 4 vdisks)
And like 217M in the cache
I decided to see if I could make the cache go away.
I set vm.swappiness=0
Then I did swapoff / swapon 1 vdisk at a time
It cleared up the swap space - taking it down