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

Coleen Phillimore coleen.phillimore at oracle.com
Wed Oct 29 20:30:46 UTC 2014


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


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