Re: Advice on TomCat and portal tuning

2013-09-04 Thread Rodger Donaldson
On 04.09.2013 05:35, Martha McConaghy wrote: We have embarked on a project to support our main student/faculty/staff portal on zLinux. It works fine under a normal workload, but falls over badly when under a heavy load such as during class add/drop. The portal is running open source software nam

Virtualization Cookbook - first draft hopefully soon?

2013-09-04 Thread Michael MacIsaac
Hello lists, Back in June, I was "blogging" on the ITSO Residency to update "The Virtualization Cookbook". It's now more than two months later and we still don't have a first draft :( But hopefully it is now a matter of more days not months. One item (that may seem inconsequential) is that we h

Re: Virtualization Cookbook - first draft hopefully soon?

2013-09-04 Thread Pavelka, Tomas
> Does anyone know a freeware graphics tool that could somehow reverse-video, > or just brighten these graphics? They are all GIFs (pronounced JIFs :)) How about ImageMagick? http://www.imagemagick.org/Usage/color_basics/#replace RPMs exist for s390x, at least for RHEL they are part of the dis

Re: Virtualization Cookbook - first draft hopefully soon?

2013-09-04 Thread Peter Woodbury
Try opening .gif in Microsoft Paint.underneath IMAGE select "Invert Colors" From: Michael MacIsaac To: LINUX-390@VM.MARIST.EDU Date: 09/04/2013 08:31 AM Subject: Virtualization Cookbook - first draft hopefully soon? Sent by: Linux on 390 Port Hello lists, Back in June, I was

SV: Virtualization Cookbook - first draft hopefully soon?

2013-09-04 Thread Roger Evans
try convert -negate filename.gif negated_filename.gif (that's imageMagick's 'convert'). This gives some really striking color combinations and it's easy to script. -Opprinnelig melding- Fra: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] På vegne av Pavelka, Tomas Sendt: 4. septem

Re: Advice on TomCat and portal tuning

2013-09-04 Thread Marcy Cortes
So I have seen a similar thing happen when database connections slow/hang. For some reason when things get queued up in the DB connection pools, more and more CPU is burned to manage all those unfinished connections. Things then really fall apart then because you have less and less CPU to do

Re: Advice on TomCat and portal tuning

2013-09-04 Thread Aria Bamdad
Martha, We have been using a supported version of Liferay (Liferay EE) for over 2 years now and have not had any problems. Currently we are on IBM JRE 1.7 and 1.6 on a dev server. We use tomcat as provided by SLES 11 SP2 and SP3. When you say 'falls over badly', can you elaborate as to what the

Re: Advice on TomCat and portal tuning

2013-09-04 Thread Martha McConaghy
Thanks Mark. We actually have moved to SP3 for all of our new servers. This one just happens to be old enough to have been created with SP1. We plan on upgrading it but don't want to change too many things at once. Martha On Tue, 3 Sep 2013 13:23:32 -0600 Mark Post said: On 9/3/2013 at

Re: Problems with san after SLES11 upgrade

2013-09-04 Thread Mark Post
>>> On 9/3/2013 at 05:28 PM, "Smith, Ann (CTO Service Delivery)" wrote: > Am I correct that zfcp_host_configure and zfcp_disk_configure are still alive > and well? For the life of SLES11 at least, yes. > They may just update files in /etc/udev/rules.d rather than > /etc/sysconfig/hardware? C

Re: Advice on TomCat and portal tuning

2013-09-04 Thread Martha McConaghy
Thanks Aria. We will contact you off list. Its probably better if our applications person describes the problem rather than me. In general, once it gets up to a certain load of users, response goes into the crapper and the virtual server starts chewing up CPU. However, Brian can give you more d