ERROR [SharedPool-Worker-47] 2017-03-01 19:59:05,444 JVMStabilityInspector.java:113 - JVM state determined to be unstable.  Exiting forcefully due to:
java.lang.OutOfMemoryError: Java heap space
        at java.nio.ByteBuffer.wrap(ByteBuffer.java:373) ~[na:1.8.0_65]
        at java.nio.ByteBuffer.wrap(ByteBuffer.java:396) ~[na:1.8.0_65]
        at org.apache.cassandra.io.util.RandomAccessReader.readBytes(RandomAccessReader.java:389) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:348) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.utils.ByteBufferUtil.readWithLength(ByteBufferUtil.java:311) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.ColumnSerializer.deserializeColumnBody(ColumnSerializer.java:126) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.OnDiskAtom$Serializer.deserializeFromSSTable(OnDiskAtom.java:86) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.AbstractCell$1.computeNext(AbstractCell.java:52) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.AbstractCell$1.computeNext(AbstractCell.java:46) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) ~[guava-16.0.jar:na]
        at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) ~[guava-16.0.jar:na]
        at org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:83) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:37) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) ~[guava-16.0.jar:na]
        at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) ~[guava-16.0.jar:na]
        at org.apache.cassandra.db.columniterator.SSTableSliceIterator.hasNext(SSTableSliceIterator.java:82) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.columniterator.LazyColumnIterator.computeNext(LazyColumnIterator.java:82) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.columniterator.LazyColumnIterator.computeNext(LazyColumnIterator.java:59) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) ~[guava-16.0.jar:na]
        at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) ~[guava-16.0.jar:na]
        at org.apache.cassandra.db.filter.QueryFilter$2.getNext(QueryFilter.java:173) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.filter.QueryFilter$2.hasNext(QueryFilter.java:156) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:264) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:108) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:82) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.RowIteratorFactory$2.getReduced(RowIteratorFactory.java:99) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.db.RowIteratorFactory$2.getReduced(RowIteratorFactory.java:71) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:117) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:100) ~[apache-cassandra-2.1.9.jar:2.1.9]
        at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) ~[guava-16.0.jar:na]
        at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) ~[guava-16.0.jar:na]
        at org.apache.cassandra.db.ColumnFamilyStore$9.computeNext(ColumnFamilyStore.java:2114) ~[apache-cassandra-2.1.9.jar:2.1.9]