CODEWITHSUNDEEP
javawebspherewebsphere-6.1
Richie
Richie

Reputation: 5199

IBM Support Assistant Out Of Memory when opening heapdump .phd file

I am using IBM Support Assistant 5 on my local machine. I am trying to open a heapdump file (.phd) file that I have grabbed from the server where I've had an out of memory error and copied it to my local machine. The file size is 915 MB.

Inside IBM Support Assistant I am using the Memory Analyzer tool (desktop). When I launch this tool there is a screen which allows you to specify the min heap and max heap. I have played around with trying to increase the maximum heap size from 1024 to 7500 but no matter what I do with these settings I get an outOfMemoryError in the tool after it spends x minutes trying to parse the heap dump.

enter image description here

I am running Windows 7 with the following JVM.

java version "1.8.0_51"
Java(TM) SE Runtime Environment (build 1.8.0_51-b16)
Java HotSpot(TM) Client VM (build 25.51-b03, mixed mode, sharing)

The heapdump was created on a WebSphere 6.1 server.

Can someone please suggest to me a way that I can work through this so as to be able to open and analyze the heap dump.

Upvotes: 0

Views: 1361

Answers (2)

Gas
Gas

Reputation: 18030

If you have trouble running memory analyzer from ISA, you can download and run standalone version - Heap dump analyzer

Upvotes: 1

Chris Bailey
Chris Bailey

Reputation: 292

In order to process a heapdump or core/system dump with Memory Analyzer, you typically need as much configured heap space (-Xmx) as the application the dump was taken from, so if your server application had an -Xmx of 5G, then you will likely need that for Memory Analyzer too.

Secondly, Memory Analyzer in ISA 5 runs as a separate application to ISA 5 itself, so you need to ensure you increase the maximum heap size for Memory Analyzer specifically. This is found in the following directory: 

ISA5\wlp\usr\servers\com.ibm.java.web.memoryanalyzer

Upvotes: 1

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