The garbage-collecting tag has no wiki summary.
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When the JVM is doing a complete GC, is it expected to see a large number of page fault/sec?
It is Window 2003 server.
We are running some performance test, and what we see is:
1. In first 5 hours, the page fault/sec is very small, like 10 or 20
In the last 1 hour, the page fault jumps to ...
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ColdFusion JVM: strange memory behaviour
Since last month, we got a problem on our company's server (Win2008ServerStd + IIS7 + CF enterprise 9.0.1 (hotfix2)).
I used jConsole to monitor the Coldfusion JVM (1.6.0_24) activity and here's what ...
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JVM garbage collection: What is the difference between “survivor 1” and “survivor 2”?
In Oracle's Java Virtual Machine's Garbage Collector, what are the respective roles of "survivor 1" and "survivor 2" ?
Are the objects always moving like: Eden → Survivor 1 → Survivor 2
Or can an ...
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514 views
Periodic unresponsiveness in tomcat
I am experiencing periodic unresponsiveness in tomcat in our production environment. I cannot reproduce this in a test environment, and nothing appears in the logs prior to or during the event. ...
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388 views
Frequent occurence of FULL GC
There is a frequent occurence of FULL GC in our system.
We are using Java application running on Tomcat server. Our application is running using internal load balancer setup.
We are seeing lot of ...
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Tomcat intermittent slowdowns, unresponsive, hangs
I've been trying to track down the cause of intermittent slowdowns of our Tomcat server. We get the slowdowns several times a week, where Tomcat will stop responding or take several minutes to ...
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1answer
102 views
is it safe for the Apache to be the owner of the session directory (php)
Since I have upgraded to php 5.3 I have issues with the session GC.
Seems he can't access the directory which is owned by root, Although I see sessions are being created there.
Is it safe to change ...
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JAVA_OPTS -XX:+PrintGCDetails affect on performance?
Does anyone know if the PrintGCDetails affects java performance much? I've been monitoring our java garbage collecting on a staging server with the same setup as the production server.
I assumed ...
