Re: SMP/Linux/Hotspot/Orion problem.
Which jdk/kernel/glibc are you using? We have two production systems running a similar setup without any serious problems. Regards, Robert On Tuesday 21 August 2001 22:35, you wrote: Did anyone find a real solution to this problem? I have 2 smp linux boxes that running -classic mode (which is painfully slow). I have considered removing (disabling) one of the CPS to fix it. The symptoms are long pauses of up to 5+ minutes, then everything is ok. Thanks, James
Re: Re: SMP/Linux/Hotspot/Orion problem.
robert can you tell us a little about your stable setup? David Orion-Interest [EMAIL PROTECTED] wrote: Which jdk/kernel/glibc are you using? We have two production systems running a similar setup without any serious problems. Regards, Robert On Tuesday 21 August 2001 22:35, you wrote: Did anyone find a real solution to this problem? I have 2 smp linux boxes that running -classic mode (which is painfully slow). I have considered removing (disabling) one of the CPS to fix it. The symptoms are long pauses of up to 5+ minutes, then everything is ok. Thanks, James
Re: SMP/Linux/Hotspot/Orion problem.
I am using an smp machine with 2.2..17 kernel. I find the classic vm to be slow but nothing like a 5 min pause. Can you tell us more about your config and what your doing? wcn James Hill wrote: Did anyone find a real solution to this problem? I have 2 smp linux boxes that running -classic mode (which is painfully slow). I have considered removing (disabling) one of the CPS to fix it. The symptoms are long pauses of up to 5+ minutes, then everything is ok. Thanks, James
RE: SMP/Linux/Hotspot/Orion problem.
Jdk 1.3.1 Libc 2.1.3 2.2.16 Kernel (2 clustered identical boxes) Oracle 8.x (seperate box) This problem only shows itself under load. I think it is somehow related to the bug where hotspot (jdk1.3.0 under linux) crashes. Thanks! James -Original Message- From: Robert Krüger [mailto:[EMAIL PROTECTED]] Sent: Wednesday, August 22, 2001 2:47 AM To: Orion-Interest Subject: Re: SMP/Linux/Hotspot/Orion problem. Which jdk/kernel/glibc are you using? We have two production systems running a similar setup without any serious problems. Regards, Robert On Tuesday 21 August 2001 22:35, you wrote: Did anyone find a real solution to this problem? I have 2 smp linux boxes that running -classic mode (which is painfully slow). I have considered removing (disabling) one of the CPS to fix it. The symptoms are long pauses of up to 5+ minutes, then everything is ok. Thanks, James
RE: SMP/Linux/Hotspot/Orion problem.
I currently have several SMP machines running Redhat 6.2 or 7.0, running Orion 1.5.2, and using Suns JDK 1.3.0_02 or 1.3.1. We did see some problems on hotspot when we were using 1.3.0 that caused long unexplainable pauses (although ours were about 30 to 60 seconds). We spent a long time watching things like memory footprint (thinking it was maybe garbage collection) and CPU load, but nothing seemed related. With a lot of beating our head into a wall and a week of high pressure, we found that using the interpretted switch (-Xint) fixed these problems but still retained a reasonable performance. It appeared that just-in-time compiling was causing big problems on SMP machines, but more interesting was that moving to a newer JDK (e.g. 1.3.0_02 or 1.3.1) appears to fix the problem without any options to the JVM. -Original Message- From: James Hill [mailto:[EMAIL PROTECTED]] Sent: Tuesday, August 21, 2001 1:35 PM To: Orion-Interest Subject: SMP/Linux/Hotspot/Orion problem. Did anyone find a real solution to this problem? I have 2 smp linux boxes that running -classic mode (which is painfully slow). I have considered removing (disabling) one of the CPS to fix it. The symptoms are long pauses of up to 5+ minutes, then everything is ok. Thanks, James
