Re: VDISK Swap

2011-10-05 Thread rodgerd
On Wed, 5 Oct 2011 21:11:59 +0200, Rob van der Heij rvdh...@gmail.com wrote: On Wed, Oct 5, 2011 at 9:04 PM, Dean, David (I/S) david_d...@bcbst.com wrote: Why do my swap disks go away when the zvm is ipl'ed?  They are defined in the USER DIRECTORY, they are then created on each Linux box as

Re: multipl cpu's

2011-04-25 Thread rodgerd
On Mon, 25 Apr 2011 09:34:25 -0400, Dean, David (I/S) david_d...@bcbst.com wrote: Can some of you weigh in on the merits (demerits) of defining multiple CPU's to virtual Linux boxes? We are heavy WebSphere and have gotten differing opinions. For what it's worth we generally allocate vCPUs in

Re: multipl cpu's

2011-04-25 Thread rodgerd
On Mon, 25 Apr 2011 22:53:21 +0200, Rob van der Heij rvdh...@velocity-software.com wrote: If it is non-blocking, why would one be concerned about the elapsed time of GC and what would be the interest of having multiple threads working in parallel on GC. Or would you really have allocation

Re: OOM Condition on SLES11 running WAS - Tuning problems?

2010-07-27 Thread rodgerd
On Mon, 26 Jul 2010 10:24:06 -0500, Daniel Tate daniel.t...@gmail.com wrote: At this point i see two problems: 1) Why is OOM Kill not functioning properly 2) Why is websphere performance so awful? If you run WAS (or any Java app) in swap, performance will be terrible, as a rule of thumb; if