CPU running at 30% after upgrade no load on the system (as far as I can see)

Hi,

Upgrading from Confluence 3.5.17 to 5.x via 4.3.7

Our confluence 3.5.17 server with no load has the CPU running roughly around 0 - 5%. But I notice when I when upgraded to 4.3.7 that the CPU with no load running @ 25 to 30%. Upgrading to Confluence 5.1.3 does the same, cpu with no load running @ 25% to 30%

There is no DB latency, I have deleted and rebuild the the Index. Removed all the plugin folders in confluence.home directory. I has disable the plugins. Adjusted the cache statistics The cpu is still running between 25% and 30%

Wondering if this normal? Are there something I am missing

We are running the Confluence on VMWare ESX4

Virtual Confluence is running the following specs

O/S: Linux 2.6.32-358.6.1.el6.x86_64
CPU: 2
RAM: 8192Gb
JAVA: 1.70.25
Tomcat: 6.0.35
Oracle Database: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0.

Java_OPTS environment: -Djava.util.logging.config.file=/var/lib/apache-tomcat-6.0.35/conf/logging.properties -Djava.io.tmpdir=/wiki/tmp -Xms5890m -Xmx5890m -XX:MaxPermSize=1024m -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Dspep.data=/wiki/spep -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=8086 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Djava.rmi.server.hostname=qutwiki01-qas.qut.edu.au -Djava.endorsed.dirs=/var/lib/apache-tomcat-6.0.35/endorsed -Dcatalina.base=/var/lib/apache-tomcat-6.0.35 -Dcatalina.home=/var/lib/apache-tomcat-6.0.35 -Djava.io.tmpdir=/var/lib/apache-tomcat-6.0.35/temp

2 answers

1 accepted

Hi,

The reason is due to having more than 25000+ users account causing the the Confluence daily summary email macro causing the server to have high cpu. We disable the macro and restarted the service fixed the cpu issue

It could be a temporary thing while Confluence pages are being migrated.

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