Troubles with Shenandoah

[Roman Kennke]

I am trying with the development version of Shenandoah in jdk/jdk. Even
with other GCs, I don't even get it to prompt for parameters as
described in the docs. It seems to start up and then hang or wait for
something. I used the latest cometd download.

Roman

Hi,
> 
> On Sun, Apr 7, 2019 at 2:50 PM Aleksey Shipilev <shade at redhat.com>
> wrote:
> > On 4/7/19 2:41 PM, Simone Bordet wrote:
> > > I have 2 questions:
> > > 
> > > A) is the version I'm using a "stable" enough version (it's this
> > > one:
> > > https://builds.shipilev.net/openjdk-jdk12/openjdk-jdk12-latest-linux-x86_64-release.tar.xz)
> > 
> > That is basically 12u bleeding edge for testing, and it might be
> > broken. The releases that ship by
> > major vendors are usually much more stable.
> 
> Found at AdoptOpenJDK the stable one, but the problem still occurs.
> I have added -XX:+ShenandoahVerify, I see no crashes and typical
> output is:
> 
> [2019-04-07T09:13:01.120-0500][info][gc,start      ] GC(15) Verify
> After Updating References, Level 4
> [2019-04-07T09:13:01.257-0500][info][gc            ] GC(15) Verify
> After Updating References, Level 4 (6178264 reachable, 192 marked)
> 
> Not sure if it's correct.
> 
> Trying now with -XX:ShenandoahGCHeuristics=passive.
>