Thanks Marcy All.I appreciate the input...Jim
-- Original Message --
Received: Tue, 26 Jul 2005 01:41:01 PM EST
From: Marcy Cortes [EMAIL PROTECTED]
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Oracle Stress Testing
Loadrunner is one such tool - try googling that.
We
IBM System z9 109 -- The server built to protect and grow with
your on demand enterprise
http://www.ibm.com/isource/cgi-bin/goto?it=usa_annredon=105-241
IBM z/VM V5.2 enhances scalability for virtualization on System
z9 and zSeries, including Linux guests
Looking to take the easy way out by just asking question. We are
running Z/vm 5.1, Suse 8, and Oracle 10GJust
starting to test performance..3 oracle queries will bring the IFL to
100%--the IFL seems to take all of the expanded storage we give it. The
Linux guest is 750M.
What kind of processor and DASD? Do you have any monitoring tools?
Perry, Melissa wrote:
Looking to take the easy way out by just asking question. We are
running Z/vm 5.1, Suse 8, and Oracle 10GJust
starting to test performance..3 oracle queries will bring the IFL to
100%--the IFL
Melissa,
3 oracle queries will bring the IFL to 100%
Is this a z990, or is it a smaller box? How much memory (CSTOR:XSTOR)
does the z/VM LPAR have?
Linux guest is 750M.
Is Linux swapping at this point? Also, how many other Linuxes are running
and what are their machine sizes?
I am leaning
We just went through that, same environment on a z/800. Our poor test
performance
was due to different query optimizations vis-a-vis 9i. Also DB Console is a real
killer, don't activate it unless its needed. Now our performance is very
comparable to what it was on Oracle 9i. Theres a slightly
Z/890 - ran with 3G c and 1G expanded and 2g c and 2g expanded.
z/VM is running in an IFL.same as an LPAR expect it cannot run
Z/os.
Someone just suggested optimized options.We are headed that
way...I will keep you posted,Thanx
-Original Message-
From: Linux on 390
Running on V960 w/ escon from STK.. Depending on DBA for monitoring
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Rich Smrcina
Sent: Wednesday, July 27, 2005 9:22 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Oracle 10G POOR performance
What kind of
Hello list,
Does anyone know where the latest device drivers manual is? It has always
been well hidden, but now I can't find it at all starting at
http://www-128.ibm.com/developerworks/linux/linux390/index.html
Thanks.
Mike MacIsaac [EMAIL PROTECTED] (845) 433-7061
I meant VM monitoring.
Perry, Melissa wrote:
Running on V960 w/ escon from STK.. Depending on DBA for monitoring
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Rich Smrcina
Sent: Wednesday, July 27, 2005 9:22 AM
To: LINUX-390@VM.MARIST.EDU
Subject:
Mike, It is still on developer works.
http://www-128.ibm.com/developerworks/linux/linux390/april2004_documentation.html
Regards,
John
Michael MacIsaac/Poughkeepsie/[EMAIL PROTECTED]
Sent by: Linux on 390 Port LINUX-390@VM.MARIST.EDU
07/27/2005 09:45 AM
Please respond to
Linux on 390
Ray:
Optimizer set at All Rows..Is this what you ended up using?
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Mrohs, Ray
Sent: Wednesday, July 27, 2005 9:32 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Oracle 10G POOR performance
We just went
VM Performance monitor that comes with VM. Looking at optimizer options
right now.
Thanks
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Rich Smrcina
Sent: Wednesday, July 27, 2005 9:22 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Oracle 10G POOR
Melissa, if you have a DBA, they can analyse what the 3 queries are
doing. Indexes could be missing, the optimiser could be using a
different approach. Your DBA should be aware of session tracing, if
not, here is an overview:
http://dbasupport.com/oracle/ora10g/session_tracing601.shtml
On
I have never seen that poor of performance, you are doing something
wrong. I have run more than 10 Oracle systems on a z900 with no problem
at all.
-Cameron
On Wed, Jul 27, 2005 at 7:42 am, in message
[EMAIL PROTECTED],
[EMAIL PROTECTED] wrote:
I meant VM monitoring.
Perry, Melissa wrote:
thanx
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Glenn Nicholas
Sent: Wednesday, July 27, 2005 10:05 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Oracle 10G POOR performance
Melissa, if you have a DBA, they can analyse what the 3 queries are
doing.
Yes. All rows is OK. As was mentioned, you DBA needs to investigate where Oracle
is spending its time. Also check your top display to see if anything else is
running that shouldn't.
Ray Mrohs
Energy Information Administration
U.S. Department of Energy
-Original Message-
From: Perry,
This web site might have some useful information
http://www.ibm.com/developerworks/linux/linux390/perf/tuning_rec_database_OracleRec.html#begin
DJ.
- Original Message -
From: Mrohs, Ray [EMAIL PROTECTED]
To: LINUX-390@VM.MARIST.EDU
Sent: Wednesday, July 27, 2005 9:40 AM
Subject: Re:
Our DBA reviewed this document, and he questions why they would set
DB_FILE_MULTIBLOCK_READ_COUNT to 0, since it is only used for full table scans,
and read-ahead would be beneficial.
Ray Mrohs
Energy Information Administration
U.S. Department of Energy
-Original Message-
From: Dave
You name it, it's probably running on Linux for zSeries. Databases, Web
Serving, Web applications and infrastructure support are the biggies.
The challenge over the past 5 1/2 years has been performance and getting
systems admins and management to understand that this is a shared
environment
This has been a huge challenge for us. We are way overcommitting resources.
The good thing is that VM handles it pretty well.
-Original Message-
From: Rich Smrcina [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 27, 2005 12:12 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Fishin' for
With a 54-way System z/9-109? Sure...
shogunx wrote:
On Wed, 27 Jul 2005, Rich Smrcina wrote:
You name it, it's probably running on Linux for zSeries. Databases, Web
Serving, Web applications and infrastructure support are the biggies.
X11 server to support a massive number of
When we first started doing z/VM - Linux virtualization, our architecture
guy wanted to emulate the x86, run NT, and use that as terminal servers for
8000 users.
I politely recommended that we NOT.
-Original Message-
From: shogunx [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 27,
Hello Melissa,
I would be very interested to know the progress of your investigation. I have a
very simmilar situation:
zSeries 800, z/VM 5.1, 2 IFLs, 4G main storage, 2G expanded. Best results have
been obtained definining the guest with 2G in size, and 1,7 G in SGA (Oracle).
We have SuSE 8
That's funny. Surely, you made the correct choice...
Little, Chris wrote:
When we first started doing z/VM - Linux virtualization, our architecture
guy wanted to emulate the x86, run NT, and use that as terminal servers for
8000 users.
I politely recommended that we NOT.
-Original
Hello Melissa,
I would be very interested to know the progress of your investigation. I have a
very simmilar situation:
zSeries 800, z/VM 5.1, 2 IFLs, 4G main storage, 2G expanded. Best results have
been obtained definining the guest with 2G in size, and 1,7 G in SGA (Oracle).
We have SuSE 8
It would have been interesting to try.
-Original Message-
From: Rich Smrcina [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 27, 2005 12:29 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Fishin' for information
That's funny. Surely, you made the correct choice...
Little, Chris
WebSphere AS seems to be really taking off around here for several
different things.
I'd say the challenges are more political than technical. Getting all
those server people to even consider that the mainframe as a viable
platform has been difficult. Business conditions, though, with Sun in
Have you or anyone else for that matter tried the Bochs product on zLinux?
Brad Brewer
Humana Inc.
Technical Services
System Software
(502)580-3086
Little, Chris [EMAIL PROTECTED]
Sent by: Linux on 390 Port LINUX-390@VM.MARIST.EDU
07/27/2005 01:47 PM
Please respond to
Linux on 390 Port
On Jul 27, 2005, at 12:47 PM, Alan Altmark wrote:
Repeat after me, Slashes are for software...slashes are for
software
Silly me, I thought they were for disturbing fanfic.
Adam
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On Jul 27, 2005, at 12:47 PM, Little, Chris wrote:
It would have been interesting to try.
It would have been quite painful.
You can indeed boot NT just fine on Bochs on S/390 but I really can't
recommend it.
Adam
--
For
On Jul 27, 2005, at 12:53 PM, Brad Brewer wrote:
Have you or anyone else for that matter tried the Bochs product on
zLinux?
It works fine.
But very inefficiently.
You really don't want to go there, except to show that you *can*.
http://www.fsf.net/~adam/NT-on-390-desktop.png
Adam
Why is it that you wouldn't recommend it? Performance issues?
Adam Thornton [EMAIL PROTECTED]
Sent by: Linux on 390 Port LINUX-390@VM.MARIST.EDU
07/27/2005 01:53 PM
Please respond to
Linux on 390 Port LINUX-390@VM.MARIST.EDU
To
LINUX-390@VM.MARIST.EDU
cc
Subject
Re: Fishin' for information
I guess this falls under the title 'Lord of the Protocols'. Perhaps a
subtitle of 'Slashmaster' may be in order... :)
Alan Altmark wrote:
On Wednesday, 07/27/2005 at 12:23 EST, Rich Smrcina [EMAIL PROTECTED]
wrote:
With a 54-way System z/9-109? Sure...
Oh, goody. We haven't had a
On Jul 27, 2005, at 12:56 PM, Brad Brewer wrote:
Why is it that you wouldn't recommend it? Performance issues?
Yeah.
x86 compute cycles are cheap.
S/390 computer cycles are expensive.
S/390 cycles being used to emulate x86 cycles are silly.
Adam
Let's just stick with calling it the 2094 - no slash, spaces, dots, or
even commas :)
Marcy Cortes
This message may contain confidential and/or privileged information. If
you are not the addressee or authorized to receive this for the
addressee, you must not use, copy, disclose, or take any
Also, why do you want to emulate something as boring as an x86? Pick
a *fun* system:
http://www.fsf.net/~adam/Pitfall-on-390-desktop.png
Adam
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Anyone running Apache's web server under zLinux?
Brad Brewer
Humana Inc.
Technical Services
System Software
(502)580-3086
The information transmitted is intended only for the person or entity to which
it is addressed and may contain CONFIDENTIAL material. If you receive this
I entirely agree, but outside those of use who know better ;, there is the
myth that the mainframe is this unbelievable cpu workhorse. Therre are some
here who equate mainframe with supercomputer. It is difficult to dispose of
these ideas. Sometimes proof is the only antidote.
-Original
On 7/27/05, Richard Pinion [EMAIL PROTECTED] wrote:
Was Hercules part of this entanglement? And if it was, was Hercules running
under Linux or Windows?
I'm not sure what Adam's arrangement was, but I've run Bochs on CentOS
3.4 for S/390 (RHEL 3 Update 4) under Hercules on Fedora Core 3 x86_64
On Jul 27, 2005, at 1:11 PM, Brad Brewer wrote:
Anyone running Apache's web server under zLinux?
Lots and lots of people. Works quite well.
Adam
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Yes as part of Websphere Application Server and network monitoring.
Brad Brewer wrote:
Anyone running Apache's web server under zLinux?
Brad Brewer
Humana Inc.
Technical Services
System Software
(502)580-3086
The information transmitted is intended only for the person or entity to which
it
On 7/27/05, Adam Thornton [EMAIL PROTECTED] wrote:
I think Herc on a modern box would give you, what, about 40 MIPS? So
it'd be about 1/5 the speed, which would be even more intolerable for
actual work, but you could do it.
I wrote a quick little benchmark yesterday to try to determine the
Is there anybody that isn't?
Some people are like Slinkies...
Not really good for anything,
but they still bring a smile to your face
when you push them down a flight of stairs.
Gordon Wolfe, Ph. D. (425)865-5940
VM Technical Services, The Boeing Company
--
From: Brad Brewer
That's funny. Surely, you made the correct choice...
Don't call me Shirley...
Some people are like Slinkies...
Not really good for anything,
but they still bring a smile to your face
when you push them down a flight of stairs.
Gordon Wolfe, Ph. D. (425)865-5940
VM Technical Services, The
Hi Rich,
I' trying to contact you privately, but seems that my messages are blocked.
Please verify.
Carlos Alberto Bodra
Sao Paulo - SP - Brasil
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Hello,
I sent a note before, but I don't know if my messages are blocked. I have a
very simmilar situation:
- z/VM 5.1 (4G real, 2G expanded)
- Guest Linux SuSE 8 with Oracle 10g. Definition of 2G and SGA 1.7G (I know is
big, but it's the one with better results)
- zSeries 800 with 2 IFL
If I
On Jul 27, 2005, at 3:52 PM, John Summerfied wrote:
Ranga Nathan wrote:
We are running SuSE 9 on a guest under z/VM 5.1. I have been
getting a
message from the cron daemon about a problem with the updatedb
script.
On investigation I found that this script file was corrupted at
the end.
My
In six years of working with Linux I have not seen this happen. I have not
seen any one thing or process that brought the system down.
So I am really surprised.
There is no report of any kernel panic.
__
Ranga Nathan / CSG
Systems Programmer - Specialist;
The following is free output from a native lpar, SLES8 64-bit system:
total used free sharedbuffers cached
Mem: 81863288140748 45580 0 2393564173208
-/+ buffers/cache:37281844458144
Swap: 192318084762584
Yes. I am seeing some strange corruptions. Is it anything to do with
minidisk caching?
__
Ranga Nathan / CSG
Systems Programmer - Specialist; Technical Services;
BAX Global Inc. Irvine-California
Tel: 714-442-7591 Fax: 714-442-2840
Fargusson.Alan
On Jul 27, 2005, at 8:57 PM, Ranga Nathan wrote:
Yes. I am seeing some strange corruptions. Is it anything to do with
minidisk caching?
Doubtful.
I've had reiserfs corruption before, but it did manifest itself as a
kernel panic.
Um, you're not trying to share the disk between multiple
On Jul 27, 2005, at 10:11 PM, John Summerfied wrote:
Adam Thornton wrote:
On Jul 27, 2005, at 8:57 PM, Ranga Nathan wrote:
Yes. I am seeing some strange corruptions. Is it anything to do
with
minidisk caching?
Doubtful.
I've had reiserfs corruption before, but it did manifest itself
Hello!
Is CentOS kernel compatible with IBM's 3590 tape driver?
István
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When you do a uname -a command, what does it report?
Mark Post
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Istvan Nemeth
Sent: Thursday, July 28, 2005 1:40 AM
To: LINUX-390@VM.MARIST.EDU
Subject: CentOS
Hello!
Is CentOS kernel compatible with
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