[Building Sakai] high cpu with a Image Animator thread

[Steve Swinsburg]

Hi Zhen,

Where was it reported, is there a Jira?

cheers
Steve


On Fri, Sep 5, 2014 at 5:50 AM, Zhen Qian <zqian at umich.edu> wrote:

> Hi, all:
>
> One of our prod server shows high CPU and we traced down to an Image
> Animator thread. Here is one stack trace:
>
> 2014-09-01 17:51:02
> Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.65-b04 mixed mode):
> ...
>
> "Image Animator 3" daemon prio=10 tid=0x00007fd728174000 nid=0x2328
> runnable [0x00007fd6f9528000]
>    java.lang.Thread.State: RUNNABLE
> at sun.awt.image.GifImageDecoder.parseImage(Native Method)
> at sun.awt.image.GifImageDecoder.readImage(GifImageDecoder.java:596)
> at sun.awt.image.GifImageDecoder.produceImage(GifImageDecoder.java:212)
> at sun.awt.image
> .InputStreamImageSource.doFetch(InputStreamImageSource.java:269)
> at sun.awt.image.ImageFetcher.fetchloop(ImageFetcher.java:205)
> at sun.awt.image.ImageFetcher.run(ImageFetcher.java:169)
>
> Meanwhile, there is no impact on database usage or end-user response time.
>
> This problem has been originally reported by Rutgers in Sakai back in
> 2011. It still occurs with our current system based on 2.9.2. Anyone else
> ever seen this?
>
> Thanks,
> - Zhen
>
>
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