-
Notifications
You must be signed in to change notification settings - Fork 504
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Investigate debugging tools for OpenJ9 #2074
Comments
Adding the The javacore contains detailed information about the current state of the JVM including a thread dump. It can be analyzed with JCA: https://www.ibm.com/developerworks/community/groups/service/html/communitystart?communityUuid=2245aa39-fa5c-4475-b891-14c205f7333c The heapdump is in PHD format and cannot be analyzed by Hotspot heap analyzer tools. Instead, it can be inspected using HA: https://www.ibm.com/developerworks/community/groups/service/html/communitystart?communityUuid=4544bafe-c7a2-455f-9d43-eb866ea60091 |
Eclipse MAT can be made to understand PHD heap dumps by adding the DTFJ plugin:
|
Linkerd can be run on the OpenJ9 JVM. What tools are available for debugging issues when running on OpenJ9?
Does OpenJ9 export metrics or diagnostic data?
What existing JDK tools work with OpenJ9? jmap? jconsole? Can you attach a java debugger to it? How do you profile it? Java flight recorder?
How do you get a heap dump? How do you analyze it?
How do you monitor and debug GC issues? Does it emit gc logs in the same format?
The text was updated successfully, but these errors were encountered: