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Eclipse 4 RCP application memory leakage [message #1320064]

Mon, 28 April 2014 15:15

Alexander Klatt

Messages: 59
Registered: April 2014

Member

Hi,

I've got an application, which seems to run fine, but the memory usage is not acceptable. The startup size is ~100MB. This stays the same, if I do nothing. But
if I move the Window around for a couple of seconds, it rises to around 200MB. Is there a common reason for this behavior?

Thanks for any advice!

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Re: Eclipse 4 RCP application memory leakage [message #1320077 is a reply to message #1320064]

Mon, 28 April 2014 15:20

Thomas Schindl

Messages: 6599
Registered: July 2009

Senior Member

Make a heap-dump and compare the heap before and after the moving.

Tom

On 28.04.14 17:15, Private Name wrote:
> Hi,
>
> I've got an application, which seems to run fine, but the memory usage
> is not acceptable. The startup size is ~100MB. This stays the same, if I
> do nothing. But
> if I move the Window around for a couple of seconds, it rises to around
> 200MB. Is there a common reason for this behavior?
>
> Thanks for any advice!

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Re: Eclipse 4 RCP application memory leakage [message #1320106 is a reply to message #1320077]

Mon, 28 April 2014 15:42

Alexander Klatt

Messages: 59
Registered: April 2014

Member

Okay, I used VisualVM to monitor the objects. When I sample the application I get a rising size for byte[] and int[].
At some point, it appears, garbage collection occurs and the used heap goes back to minimum. Before this points though
heapsize was increased, so the memory usage stays high.

How would I go further from here? byte and int could be anything, right?

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