G1gc compaction algorithm

Yu Zhang yu.zhang at oracle.com
Mon Oct 27 22:59:41 UTC 2014


I am not allowed to download anything from Zing. But Thanks for the update.

Thanks,
Jenny

On 10/27/2014 3:54 PM, Martin Makundi wrote:
> Hi!
>
> It is not open source, so source is ofcourse not available.
>
> You can ask for evaluation version if you want to run the jvm against 
> your pre-existing test cases, so you can see for yourself how it performs.
>
> My experience is very positive, practically all problems are gone and 
> I spend zero time tuning it.
>
> This is quite significant considering that I would previously spend 
> couple hours each day tuning and analyzing g1gc, quite a cost saving 
> 20 days per month couple hours of work.
>
> Most significant benefits are:
> - no tuning needed
> - no Full GC:s any more, longest delays are couple of milliseconds (!!)
> - it has built in monitoring (zvision)
> - http://www.azulsystems.com/products/zing/technical-case
>
> My life has changed from day-in-day-out dabbling in quicksand into 
> resting on a hammock, so I really recommend trying out Azul's Zing and 
> learning from it.
>
> **
> Martin
>
> 2014-10-28 0:07 GMT+02:00 Yu Zhang <yu.zhang at oracle.com 
> <mailto:yu.zhang at oracle.com>>:
>
>     Martin,
>
>     It turns out I am not allowed to download or read the source of
>     Zing.  I can only read some papers on it.
>
>     How is your experience with Zing?
>
>     Thanks,
>     Jenny
>
>     On 10/21/2014 8:41 PM, Martin Makundi wrote:
>>     Great.
>>
>>     Please let me know what your evaluation experience is, from
>>     professional point of view.
>>
>>     **
>>     Martin
>>
>>     2014-10-22 6:17 GMT+03:00 Yu Zhang <yu.zhang at oracle.com
>>     <mailto:yu.zhang at oracle.com>>:
>>
>>         Martin,
>>
>>         Thanks for letting us know.  I will give it a try.
>>
>>         Thanks,
>>         Jenny
>>
>>         On 10/21/2014 7:44 PM, Martin Makundi wrote:
>>>         Hi!
>>>
>>>         We are currently evaluating Azul System's Zing jvm.
>>>
>>>         Have you tried it out?
>>>
>>>         With Zing our Gc overhead is less than 5% and maximum delays
>>>         less than 20 milliseconds.
>>>
>>>         Oh boy, it's beautiful, calm and collected, fully automatic. ;)
>>>
>>>
>>>
>>>         **
>>>         Martin
>>
>>
>
>

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