message: use ULL to avoid conversion of big number. Fixes
diff: @@ -168,7 +168,7 @@ public:
  * elements (not bytes). The default big number per Put() default will
  * result in the original single min/max value-pair per block
  */
  - size_t StatsBlockSize = 1125899906842624;
  + size_t StatsBlockSize = 1125899906842624ULL;
  /** buffer memory growth factor */
  float GrowthFactor = DefaultBufferGrowthFactor;
  