My guess is that Oracle runs a few processes using shared memory. The script
just totals
all the procs, shared or not, so shared memory applications will definitely
skew the results.
Ray
-Original Message-
From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On
Behalf Of Tom
After reading some more, it turns out you cannot do direct i/o on linux for z
if you are using ECKD dasd, only FCP.
Which I guess is why the default is off on this platform but not on Intel.
Is there a way to limit the amount of memory used for page cache?
Marcy
This message may contain
We're running websphere on a z9 under z/VM 4 systems are live out of 8. it
is running apps that consume around 16GB of memory on a Windows machine. on
this, we have allocated 10G of real storage (RAM) and around 35GB of
Swap.When websphere starts, it consumes all the memory eventually and
First of all, you've run out of memory on that server (Swap: 35764956k total,
35764956k used,)
It ate all of the 10G and all of the 35G of swap.
How many JVM's are running and what are their min/max heap sizes?
Marcy
“This message may contain confidential and/or privileged information. If
Does this mean that CPU 02 and 03 are unavailable for any other z/VM guest?
Sam Bass
-Original Message-
From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Ed Long
Sent: Friday, July 23, 2010 2:04 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: IFL's, VM, and Linux
Progress
The CPU's in the user directory are virtual ones, not related to real CPU's in
any way.
Best regards,
Pieter Harder
pieter.har...@brabantwater.nl
tel +31-73-6837133 / +31-6-47272537
-Oorspronkelijk bericht-
Van: Linux on 390 Port [mailto:linux-...@vm.marist.edu] Namens Sam Bass
On Monday, 07/26/2010 at 12:17 EDT, Sam Bass sam.b...@mclaneco.com
wrote:
Does this mean that CPU 02 and 03 are unavailable for any other z/VM
guest?
No. Those are *virtual* CPU definitions.
Alan Altmark
z/VM Development
IBM Endicott
I guess I don't understand the difference between
VM Listserve Suggestion
MACHINE ESA 2
CPU 02
CPU 03
COMMAND SET VCONFIG MODE LINUX
COMMAND DEFINE CPU 02 03 TYPE IFL
And
VM Listserve Suggestion
MACHINE ESA 2
CPU 02
CPU 03
This is a q vconfig looks like
q vconfig
The 1st option is if you are running in an LPAR with mixed CPU types, CP
IFL. The first option ensures that your Linux guest runs on an IFL. By
default it will run on a CP.
On Mon, Jul 26, 2010 at 12:54 PM, Sam Bass sam.b...@mclaneco.com wrote:
I guess I don't understand the difference
Yeah, i saw that.. problem is these same apps run on 16GB of mem on a
windows box..
We have 28 JVMs and sizes are set to 50/256.
On Mon, Jul 26, 2010 at 11:07 AM, Marcy Cortes
marcy.d.cor...@wellsfargo.com wrote:
First of all, you've run out of memory on that server (Swap: 35764956k
total,
On 7/26/2010 at 12:19 PM, Alan Altmark alan_altm...@us.ibm.com wrote:
On Monday, 07/26/2010 at 12:17 EDT, Sam Bass sam.b...@mclaneco.com
wrote:
Does this mean that CPU 02 and 03 are unavailable for any other z/VM
guest?
No. Those are *virtual* CPU definitions.
Which also means that you
Set swappiness to 0. Can you just start 1 node as a test?
Ray
-Original Message-
From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On
Behalf Of Daniel Tate
Sent: Monday, July 26, 2010 2:28 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: OOM Condition on SLES11 running WAS -
Ray, please check this:
db2p105:~ # free -m
total used free sharedbuffers cached
Mem: 6025 4285 1739 0 16 4045
-/+ buffers/cache:223 5801
Swap:0 0 0
db2p105:~ # ps -eo pmem
You currently have 6GB defined... ~40% of that is 2.4GB. I would try dropping
the Linux memory to around 4GB, and maybe add some swap space.
Ray
-Original Message-
From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On
Behalf Of Rogério Soares
Sent: Monday, July 26, 2010 4:09
Info and registration links are on the lvc page:
http://www.vm.ibm.com/education/lvc/
Below is information from Julie with details about this Adobe webcast
on Linux on System z.
Please join us for the Linux webcast on
Wednesday, July 28th that is offered twice
this day: 9:00 AM EDT OR
I was going to suggest a dump and a ticket to Novell, but it looks like you
aren't SP1, and so are unsupported.
Anyway you could apply that and try again?
Marcy
“This message may contain confidential and/or privileged information. If you
are not the addressee or authorized to receive this
| sorry i meant to say July 28 (not June 28)
Info and registration links are on the lvc page:
http://www.vm.ibm.com/education/lvc/
Below is information from Julie with details about this Adobe webcast
on Linux on System z.
Please join us for the Linux webcast on
Wednesday, July 28th that is
On 7/26/2010 at 05:05 PM, Marcy Cortes marcy.d.cor...@wellsfargo.com
wrote:
I was going to suggest a dump and a ticket to Novell, but it looks like you
aren't SP1, and so are unsupported.
SLES11 GA is fully supported until 6 months after SP1 went GA. Even after
that, NTS supports the
Thanks for that clarification!
Marcy
-Original Message-
From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Mark Post
Sent: Monday, July 26, 2010 2:21 PM
To: LINUX-390@vm.marist.edu
Subject: Re: [LINUX-390] OOM Condition on SLES11 running WAS - Tuning problems?
On
We set swappiness to 0 and started all servers. we will see if that helps
and I will look into the sp level upgrade. Does anyone have any good tweeks
for z websphere by chance?
On Jul 26, 2010 4:59 PM, Marcy Cortes marcy.d.cor...@wellsfargo.com
wrote:
Thanks for that clarification!
Marcy
Do you run at all before you run out of memory? Have you tried just starting
one of the apps at a time and seeing what each seems to do to memory usage?
Could it be that one of them has a leak?
I think all the tweaks are really app dependent. You'll have to measure with
both a good VM
Hello I see you are you running 64bit WAS on Linux, are you running the
32bit version on windows?
How close is the memory utilization on the windows machine?
regards
Phil Tully
On 7/26/2010 12:07 PM, Marcy Cortes wrote:
First of all, you've run out of memory on that server (Swap: 35764956k
I've included some statistics and other info from the system w/ swappiness=0
Yes, we ran for some time before OOM. We have started one at a time,
but we did not do any deep investigation (it was our proof of
concept). We have set swappiness to 0, to see if that changes things.
Also opened a
Short answer, no.
This was discussed earlier in the year - see:
http://www.mail-archive.com/linux-390@vm.marist.edu/msg55911.html
Shane ...
On Tue, Jul 27th, 2010 at 1:17 AM, Marcy Cortes wrote:
Is there a way to limit the amount of memory used for page cache?
Some more info please.
... you get a OOM condition ?.
... the/a large consumer gets killed ?
... the system halts (explain) ?.
You *want* a system-wide panic ?. If so, setting /proc/sys/vm/panic_on_oom to
1 will
have the desired effect on non zLinux.
Shane ...
On Tue, Jul 27th, 2010 at 1:24
On Monday, 07/26/2010 at 12:55 EDT, Sam Bass sam.b...@mclaneco.com
wrote:
I guess I don't understand the difference between
VM Listserve Suggestion
MACHINE ESA 2
CPU 02
CPU 03
COMMAND SET VCONFIG MODE LINUX
COMMAND DEFINE CPU 02 03 TYPE IFL
And
VM Listserve
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