RFR [8u60]: 8081590: The CDS classlist needs to be updated for 8u60

Claes Redestad claes.redestad at oracle.com
Thu Jul 9 22:05:57 UTC 2015


new refresh up:


The refresh was put on hold earlier due to an incoming startup 
optimization, which affected the classlist (mostly

I've rerun relevant tests, verified -Xshare:dump doesn't log any 
warnings and checked that footprint and startup improve.



On 2015-06-11 16:08, Claes Redestad wrote:
> Hi,
> classlists have been slowly deteriorating since the last refresh 
> (https://bugs.openjdk.java.net/browse/JDK-8023041),
> contributing to a small but significant degradation in startup and 
> footprint characteristics.
> While there are also classlist files for Solaris, Mac and AIX, we 
> cannot run the same set of applications we run on
> 32-bit platforms on non-32-bit platforms (due to an application with a 
> bundled 32-bit dependency).
> Rather than generating new classlists using a different set of 
> applications without ability to verify that it helps, I'd
> rather limit this 8u60 refresh to Linux and Windows where we can 
> verify the benefit and do a more thorough
> investigation into modernizing the representative set of applications 
> for JDK9 and onwards.
> Webrev: http://cr.openjdk.java.net/~redestad/8081590/webrev.00/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8081590
> I'll need a sponsor to push this to 8u60.
> /Claes

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