RFR (S) 8208677: Move inner metaspace cleaning out of class unloading
serguei.spitsyn at oracle.com
serguei.spitsyn at oracle.com
Wed Aug 8 20:15:50 UTC 2018
Hi Coleen,
It looks good to me.
Thank you a lot for taking care about this!
This refactoring is tricky so it is worth to add a comment, for instance,
to explain the conditions/logic that trigger metaspaces cleaning.
It can be added to the should_clean_metaspaces or do_cleanup_tasks where
it is used.
Thanks,
Serguei
On 8/6/18 11:47, coleen.phillimore at oracle.com wrote:
> Summary: move to safepoint cleanup actions to do if needed.
>
> This is in support of concurrent class unloading. See bug
> description for more details.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/8208677.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8208677
>
> Ran mach5 hs-tier1-5, with no failures on Friday. hs-tier1,2 with
> expected failures today.
>
> The test/hotspot/jtreg/runtime/RedefineRunningMethods.java and
> RedefineLeak.java test this code. Fixed and verified with logging in
> the first test.
>
> thanks,
> Coleen
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