How to configure failover for Apache/Tomcat?

2009-07-30 Thread Li,Henry
I need help--- I have two Apache web servers, two app servers with four Tomcat instances running on them (two Tomcat instances on each server). All four servers run on Red Hat Linux. Current configuration is: web1 connected to app1 only, web2 connected to app2 only. If app1 is down, all users

RE: How to configure failover for Apache/Tomcat?

2009-07-30 Thread Li,Henry
? -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Henry, On 7/30/2009 11:35 AM, Li,Henry wrote: I have two Apache web servers, two app servers with four Tomcat instances running on them (two Tomcat instances on each server). All four servers run on Red Hat Linux. Current configuration is: web1

RE: what is the upper limit of maximum heap memory for Tomcat with 32-bit JVM running on Red Hat Linux 4 (32-bit)

2009-07-24 Thread Li,Henry
approvals. Thanks, Henry -Original Message- From: Juha Laiho [mailto:juha.la...@iki.fi] Sent: Friday, July 24, 2009 4:22 AM To: Tomcat Users List Subject: Re: what is the upper limit of maximum heap memory for Tomcat with 32-bit JVM running on Red Hat Linux 4 (32-bit) Li,Henry wrote

RE: what is the upper limit of maximum heap memory for Tomcat with 32-bit JVM running on Red Hat Linux 4 (32-bit)

2009-07-24 Thread Li,Henry
running on Red Hat Linux 4 (32-bit) Li,Henry wrote: Juha, Yes, there is memory leak from application. We contact the application vendor and they do not have patches to fix it for the version which we are using. So what we need is a partial/dirty fix to mimimize the recycle times. Upgrading

RE: what is the upper limit of maximum heap memory for Tomcat with 32-bit JVM running on Red Hat Linux 4 (32-bit)

2009-07-23 Thread Li,Henry
two Tomcat instances.) 2. Your other 'workaround' is to install a 64 bit OS and a 64 bit JVM. Then you can have 7G+ for the JVM. Regards Alan Chaney Li,Henry wrote: My Tomcat is running on 32-bit Red Hat 4 (2.6.9-78.0.1.ELsmp), host server has 8G physical memory and 4 processors. java

what is the upper limit of maximum heap memory for Tomcat with 32-bit JVM running on Red Hat Linux 4 (32-bit)

2009-07-23 Thread Li,Henry
My Tomcat is running on 32-bit Red Hat 4 (2.6.9-78.0.1.ELsmp), host server has 8G physical memory and 4 processors. java version 1.4.2 gcj (GCC) 3.4.6 20060404 (Red Hat 3.4.6-10) I got java.lang.OutOfMemoryError Current configuration: -Xms1024M -Xmx2304M The host server has about 4.5G free

RE: what is the upper limit of maximum heap memory for Tomcat with 32-bit JVM running on Red Hat Linux 4 (32-bit)

2009-07-23 Thread Li,Henry
Thank you Chuck! I will go to the 64-bit. Regards, Henry -Original Message- From: Caldarale, Charles R [mailto:chuck.caldar...@unisys.com] Sent: Thursday, July 23, 2009 7:19 PM To: Tomcat Users List Subject: RE: what is the upper limit of maximum heap memory for Tomcat with 32-bit JVM