On 11.09.2015 16:43, Leo Donahue wrote:
On Fri, Sep 11, 2015 at 9:36 AM, Leo Donahue <donahu...@gmail.com> wrote:
Good day,
I see this topic come up from time to time on the list. Can someone point
me to what heap thrashing looks like?
Googled java heap thrashing and looked at the images, but there isn't much
to look at.
I also tried googling for ventricular tachycardia to see if I could find a
similar graph - it's close to what I'm seeing in VisualVM, but not quite.
Is heap thrashing a very "closely spaced" saw tooth pattern?
Leo
This is about as close as I can find that is similar to what I'm seeing.
On the left side of the graph, imagine the spacing so close together that
it looks like a solid blue read out in the monitor. When I stop the
webapp, the jvm adjusts itself back to normal. It's only during servicing
requests that I see the very closely spaced pattern.
http://i.stack.imgur.com/B9oPL.png
What about a GC log with timestamps ?
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