Hi Olaf,
svg-developers@yahoogroups.com wrote on 01/17/2007 03:47:42 PM:
> if have a very simple Batik App.
It's not as simple as you think ;)
> Starting this app with -Xms10m -Xmx64m runs into OutofMemory
> Exception. When i remove the [second canvas]it works.
> Any suggestions for this behaviour ?
I suspect the problem is that 'setURI' is async.
So the Threads that do the
reading/parsing/building/rendering are keeping the
canvases live a lot longer than you think.
additionally by just removing the second canvas
and not it's associated 200ms wait you give the
first canvas an "extra" 200ms to complete and
get out of the way.
I should also say that likely the reason it is
taking more than 400ms each to setup the first
few canvases is because the JVM is just getting
started, so it needs to read lots of class files
and link them, as well as doing JIT compiling.
Once it starts getting behind it just gets worse
as each new canvas adds new threads.
> public void startTestRender() {
> for (int i = 0; i < 1000; i++) {
> JSVGCanvas canvas1 = new JSVGCanvas();
> canvas1.setURI("your URL here");
> try { Thread.sleep(400); } catch (Exception ex) {}
>
> JSVGCanvas canvas2 = new JSVGCanvas();
> canvas2.setURI("other file here");
> System.out.println("" +i);
> try { Thread.sleep(200); } catch (Exception ex) {}
> }
> }
>
> public static void main(String[] args) {
> TestRenderer testrender = new TestRenderer();
> testrender.startTestRender();
> }
> }
> ----------------------------------------------------------
>
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