G1gc compaction algorithm

[Martin Makundi]

>
>
>> Another reason for full gc can clean more, is classes are not unloaded
>> till a full gc.  This is fixed in later jdk8 and jdk9 versions.
>>
>
> Class unloading is disabled in our setup so this should not affect. I
> still think incremental full gc should be happening concurrently all the
> time instead of an intermittent long pause (
> http://www.azulsystems.com/technology/c4-garbage-collector).
>
>

And here's today's log, couple of Full GC:s:

http://81.22.250.165/log/gc-2014-08-22.log

**
Martin
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