Tags » Jmap

Giving Thanks for God's Work in JMAP

We give thanks for what God has been doing through the intentional training of men and women for gospel ministry in JMAP . As we seek to pray and proclaim Christ in order to build each other, reach those around us and impact the nations we rejoice in the fruit for Christ and his kingdom of gospel workers being sent out from Jannali Anglican. 200 more words

Sunday Gathering

How to capture heap dump? - jmap, -XX:+HeapDumpOnOutOfMemoryError

Heap dump is a snapshot of the Java memory. It contains information about the Java objects and classes in the heap at the moment the snapshot is triggered. 428 more words

JVM

Yes, you can catch Memory Leaks during test

Memory leaks are dangerous problems which puts entire application’s availability in to question mark. Most of the time (if not all the time) memory leaks are uncovered in production. 621 more words

JVM

JDK Tools for your application

In this post, I will talk about various tools that help you analyze your Java application’s behavior when something has went wrong. This is not an exhaustive list but just the tools that I have used at some point of time and found useful. 340 more words

Java

Debug Cassandrar JVM thread 100% CPU usage issue

Recently, one of our cassandra nodes run into an issue: one CPU thread utilization is 100% while the others are almost idle. The node shows “Down” in the nodetool now and then. 736 more words

Others

Investigate Memory Leaks

To get a java dump out run the below command

jmap -dump:file=/tmp/dump.out javapid

Then run jmap to display the contents

jhat -port 7000 -J-mx16g /tmp/dump.out… 14 more words
Linux