Hbase wants to have large heaps, GC wants to touch every object in heap
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                 Key: HBASE-1325
                 URL: https://issues.apache.org/jira/browse/HBASE-1325
             Project: Hadoop HBase
          Issue Type: Bug
            Reporter: ryan rawson


HBase wants to have large heaps - store lots of cached objects to make things 
faster in RAM.

But Java garbage collection wants to touch every object in heap.

How does this work at 3gb heaps?  6gb heaps?  The more ram we can use in HBase 
the better performance we can get.  If java GC holds us back, we might need to 
do something else.

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