RFR 8037842: Failing to allocate MethodCounters and MDO causes a serious performance drop

Albert Noll albert.noll at oracle.com
Thu Oct 30 15:25:27 UTC 2014


Hi Coleen,

the changes look fine to me as well (not a reviewer). Thanks for fixing 
this.

Best,
Albert

On 10/29/2014 09:30 PM, Coleen Phillimore wrote:
> Summary: Stop allocating compiler profiling metadata when metaspace is 
> full.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/8037842/
> bug link https://bugs.openjdk.java.net/browse/JDK-8037842
>
> Tested with test case in the report with prints in the JVM and test.   
> I can't add this test though, there seems to be sketchy things going 
> on with metaspace high water marks and it prints out too much before 
> getting the compiler message for jtreg to deal with.  And it may time 
> out and has some timing issues.
>
> Also ran jtreg, jck, nsk.quick.testlist tests.
>
> Thanks,
> Coleen



More information about the hotspot-dev mailing list