Why Is There Difference In WebLogic MaxMemory VisualVm Vs JConsole ?
(Doc ID 2337748.1)
Last updated on JANUARY 13, 2023
Applies to:Oracle WebLogic Server - Version 220.127.116.11.0 and later
Microsoft Windows x64 (64-bit) - Version: 2008 R2
Why is the Maximum Heap shown in Visual VM different from the Maximum Heap shows in JConsole ?
Weblogic Server 18.104.22.168.0 and Java 8, and set the below Java Memory Arguments :
USER_MEM_ARGS=-Xms256m -Xmx1024m %MEM_DEV_ARGS% %MEM_MAX_PERM_SIZE%
VisualVM is showing 2,147,483,680B as Maximum Heap Size when Maximum heap size is set to 1 MB
Visual VM is showing this Maximum as 2,147,483,680 B/1024 = 2,097,152.03125 KB /1024=2048 MB
JConsole is showing this Maximum as 1,048,576 KB /1024 = 1024 MB
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