Re: [vcap-dev] Java OOM debugging
Lari Hotari <Lari@...>
On 15-05-14 10:23 AM, Daniel Jones wrote:
Thanks again for your input. Have you seen this problem with versionsI don't have proper data gathered from older than 8.0.20, so I cannot
I was just wondering when did 8.0.20 become available in JBP, I found
HEAD https://download.run.pivotal.io/tomcat/tomcat-8.0.20.tar.gz | grep
Last-Modified: Tue, 03 Mar 2015 11:35:19 GMT
I don't think you can get the info from pmap. The malloc_info xml shows
better allocation stats, but only stats.
Is Tomcat using APR library or NIO by default in CloudFoundry? I'd
assume that NIO isn't used by default.
Have you tried the "-Dsun.zip.disableMemoryMapping=true" JVM option to
rule out the possibility that zip/jar file access is causing the
trouble? There has been some bugs in the past in the JVM in that area:
. That has been fixed
http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6280693 , but doing
a check with "-Dsun.zip.disableMemoryMapping=true" JVM option would be
Mainly concerned about this commit:
Since most commits weren't very interesting in this diff:
Might make a difference to Jar file access. I'm not saying that this
commit is a problem, just seemed like a big change.