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Due to the current gap in continued funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program Center has temporarily paused most operations. See NSF Unidata Pause in Most Operations for details.
Hi Rich,
We haven't ever really fiddled with GC parameters, instead we leave the
whole GC settings up to the "-server" JVM.
We've never seen this error on our servers. It doesn't look like your
error message is related to the "OutOfMemoryError: PermGen space" issue
so I'm not sure "-XX:MaxPermSize" will help.
Have you tried adding more memory to the heap ("-Xmx")? And if so did it
help?
Ethan
On 6/1/2011 9:24 AM, Rich Signell wrote:
> THREDDS folk,
>
> Have folks played around with Garbage Collection tuning parameters
> besides "-XX:MaxPermSize" to help tomcat/TDS permgen errors?
>
> Our TDS tomcat is throwing "GC overhead limit exceeded" errors again.
> I know on the Unidata TDS page
> http://www.unidata.ucar.edu/projects/THREDDS/tech/tds4.2/tutorial/BasicTomcatAndTDSSecurity.html
> it says the only thing you can do is increase -XX:MaxPermSize, which
> only delays the problem, solved only by restarting tomcat.
>
> But in this Garbage Collection tuning article
> http://www.petefreitag.com/articles/gctuning/
> they describe many different options, and I'm wondering whether folks
> have tried using these, or whether they just don't do any good.
>
> Thanks,
> Rich
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