On 3/23/2014 10:05 AM, Robert Muir wrote:
> Its been buggy since the day it came out, so its buggy in java 7 too.
> 
> this particular bug
> (https://issues.apache.org/jira/browse/LUCENE-5168) has been around
> for a long time.
> 
> It scares me to think of what would happen with assertions disabled
> (e.g. production environment).
> 
> On Sun, Mar 23, 2014 at 12:00 PM, Michael McCandless
> <luc...@mikemccandless.com> wrote:
>> Is G1GC buggy only with Java 8?

I didn't know that it had actual bugs. I avoid G1 because it doesn't
make my GC situation better.

If the only thing examined is average collection time, G1 looks like the
best option.

For long stop-the-world pauses, untuned CMS performs slightly better
than G1.  The CMS tuning that I use eliminates problems caused by GC
pauses.  I don't know whether it eliminates the need to do the full GC
or whether it makes them happen so fast that they're just statistical noise.

Thanks,
Shawn


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