Really curious to know what's causing the spike in Columns and DeletedColums below :
2014-07-28T09:30:27.471-0400: 127335.928: [Full GC 127335.928: [Class Histogram: num #instances #bytes class name ---------------------------------------------- 1: 132626060 6366050880 java.nio.HeapByteBuffer 2: 28194918 3920045528 [B 3: 78124737 3749987376 edu.stanford.ppl.concurrent.SnapTreeMap$Node * 4: 67650128 2164804096 <2164804096> org.apache.cassandra.db.Column* * 5: 16315310 522089920 org.apache.cassandra.db.DeletedColumn* 6: 6818 392489608 [I 7: 2844374 273059904 edu.stanford.ppl.concurrent.CopyOnWriteManager$COWEpoch 8: 5727000 229080000 java.util.TreeMap$Entry 9: 767742 182921376 [J 10: 2932832 140775936 edu.stanford.ppl.concurrent.SnapTreeMap$RootHolder 11: 2844375 91020000 edu.stanford.ppl.concurrent.CopyOnWriteManager$Latch 12: 4145131 66322096 java.util.concurrent.atomic.AtomicReference 13: 437874 64072392 [C 14: 2660844 63860256 java.util.concurrent.ConcurrentSkipListMap$Node 15: 4920 62849864 [[B 16: 1632063 52226016 edu.stanford.ppl.concurrent.SnapTreeMap
