@Override
    public void setValue(RegionEntryContext context, Object value)
        throws RegionClearedException {
      super.setValue(context, value);
      if (value == Token.TOMBSTONE) {
        throw new RuntimeException("throw exception on setValue(TOMBSTONE)");
      }
    }
Artificial work load of fetching a value from the cache, doing some work and replacing the
entry.
geode-core/src/jmh/java/org/apache/geode/internal/util/concurrent/ConcurrentHashMapObjectBenchmark.java