Re: How to increase Memory available to Tomcat?

Using HugePages and -XX:+AlwaysPreTouch makes sure that all memory is allocated immediately. We've been using this for years to make sure our Java processes get access to all memory that would eventually be needed by the heap, metaspace, etc. Especially in order to avoid the effects of any

Re: [OP but IMPORTANT!] How to increase Memory available to Tomcat?

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Calder, On 4/1/20 08:52, calder wrote: > (BTW, I hope you're not running TC as the root user. I see > references to the root user in your CLI output) Great catch! Jim, the first think you should do without doing anything else is stop running at

Re: How to increase Memory available to Tomcat?

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Jim, On 3/31/20 23:57, o haya wrote: > I think I figured out what is going on. I think that the > parameters were working all right, but the memory that is shown by > the "free" command isn't corresponding to the JVM memory. > > I put together a

Re: How to increase Memory available to Tomcat?

On Tue, Mar 31, 2020 at 10:57 PM o haya wrote: > I think I figured out what is going on. I think that the parameters were > working all right, but the memory that is shown by the "free" command isn't > corresponding to the JVM memory. [ snip ] You beat me to the punch. Linux "free" cannot be

Re: How to increase Memory available to Tomcat?

Hi, I think I figured out what is going on. I think that the parameters were working all right, but the memory that is shown by the "free" command isn't corresponding to the JVM memory. I put together a small JSP that uses Runtime.getRuntime().totalMemory() and .freeMemory() and and when I

Re: How to increase Memory available to Tomcat?

Hi, BTW, in the catalina.out log file, I do see these lines: 01-Apr-2020 01:53:17.775 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dfile.encoding=UTF-8 01-Apr-2020 01:53:17.775 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command

Re: How to increase Memory available to Tomcat?

Hi, I have Tomcat installed in /apps/apache-tomcat-9.0.20/ In the /apps/apache-tomcat-9.0.20/bin/setenv.sh, I have: #!/bin/bash JAVA_HOME=/apps/jdk1.8.0_221 CATALINA_OPTS="-Djava.awt.headless=true -Dfile.encoding=UTF-8 -server \ -Xms4096m -Xmx4096m -XX:NewSize=256m -XX:MaxNewSize=256m

Re: How to increase Memory available to Tomcat?

On 31/03/2020 17:42, o haya wrote: > Thanks for the infos. > > I was thinking the same thing you were thinking, that it might be 32-bit > JVM, but when I run "java -version" I am getting: > > java -version > java version "1.8.0_221" > Java(TM) SE Runtime Environment (build 1.8.0_221-b11) > Java

Re: How to increase Memory available to Tomcat?

Thanks for the infos. I was thinking the same thing you were thinking, that it might be 32-bit JVM, but when I run "java -version" I am getting: java -version java version "1.8.0_221" Java(TM) SE Runtime Environment (build 1.8.0_221-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.221-b11,

Re: How to increase Memory available to Tomcat?

On 31.03.20 17:02, o haya wrote: > Hi, > > I am running Tomcat 9.02 under RHEL 7 (under Oracle JDK 1.8), and I would > like to increase the memory that is available to Tomcat when it is running. > > I have tried sourcing the following: > > JAVA_OPTS="-Djava.awt.headless=true

How to increase Memory available to Tomcat?

Hi, I am running Tomcat 9.02 under RHEL 7 (under Oracle JDK 1.8), and I would like to increase the memory that is available to Tomcat when it is running. I have tried sourcing the following: JAVA_OPTS="-Djava.awt.headless=true -Dfile.encoding=UTF-8 -server \ -Xms4096m -Xmx4096m -XX:NewSize=256m