RFR[XS] 8188105 Make -Xshare:auto the default for server VM

[Karen Kinnear]

Yay! Looks good.
Karen

> On Apr 18, 2018, at 12:16 AM, Ioi Lam <ioi.lam at oracle.com> wrote:
> 
> Hi, please review this very simple change:
> 
> https://bugs.openjdk.java.net/browse/JDK-8188105
> http://cr.openjdk.java.net/~iklam/jdk11/8188105-make-xshare-auto-the-default.v01/
> 
> Summary:
> 
> Now the server VM will automatically load the CDS archive if one exists.
> This has been the default for the client VM for many releases. It
> was previously disabled for the server VM due to performance issues that
> have since been fixed (in JDK-8074345).
> 
> Testing:
> 
> I have run hs-tier{1,2,3,4} with no failures.
> 
> Thanks
> - Ioi
> 
>