RFR(S/M): 8246476: remove AsyncDeflateIdleMonitors option and the safepoint based deflation mechanism
Daniel D. Daugherty
daniel.daugherty at oracle.com
Tue Jul 7 21:21:52 UTC 2020
Ping! Any takers??? Code deletion should be really appealing here!!
On 7/6/20 12:35 PM, Daniel D. Daugherty wrote:
> It's time to remove the AsyncDeflateIdleMonitors option from JDK16. We
> also get rid of the safepoint based deflation mechanism since turning off
> async deflation (-XX:-AsyncDeflateIdleMonitors) was the only way left to
> use it.
> This is marked as an "S/M" review because the number of touched/deleted
> lines makes it a Medium review, but the number of touched/changed lines
> (outside of the deletions) makes it a Small review. It's actually a
> fast read... :-)
> Here's the bug ID:
> JDK-8246476 remove AsyncDeflateIdleMonitors option and the safepoint
> based deflation mechanism
> Here's the webrev URL:
> The webrev is baselined on Thomas S's fix for 8248650 which is jdk-16+4
> plus a dozen or so changesets.
> This change has been tested with Mach5 Tier[1-3],4,5,6,7,8 and there are
> no regressions (and very few known failures). My inflation stress testing
> is still in process. I had to restart that testing after a thunderstorm
> related power failure took down my servers in Florida. Sigh...
> Thanks, in advance, for any comments, questions, or suggestions.
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