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--- analyze_jvm [2015/02/20 15:24]
+++ analyze_jvm [2021/04/05 11:23] (current)
@@ Line 1: / Line 1: @@
+====== Analyze Java Virtual Machine ======
+===== Thread Dump =====
+  kill -3 <pid>
+Creates a thread dump on linux.
+  jstack -l <pid>
+also creates a thread dump on a running VM (and leaves it running).
+===== Heap Dump =====
+  jmap -dump:format=b,file=dump.bin <pid>
+Creates a dump to the file //dump.bin// of the passed process. The file is not human readable. Tools like [[https://eclipse.org/mat/ | MAT]] can help you analyze the dump.
+{{tag>java}}