Initialize default MemoryManager in VeloxIn10MinDemo (facebookincubat…

…or#8580)

Summary:
Fixes facebookincubator#8483

Pull Request resolved: facebookincubator#8580

Reviewed By: bikramSingh91

Differential Revision: D53169491

Pulled By: xiaoxmeng

fbshipit-source-id: e25ba1711967313e89b128341f73e077cadd03da

velox/exec/tests/VeloxIn10MinDemo.cpp

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 #include <folly/init/Init.h>
+#include "velox/common/memory/Memory.h"
 #include "velox/connectors/tpch/TpchConnector.h"
 #include "velox/connectors/tpch/TpchConnectorSplit.h"
 #include "velox/core/Expressions.h"
@@ -293,6 +294,9 @@ void VeloxIn10MinDemo::run() {
 int main(int argc, char** argv) {
   folly::init(&argc, &argv, false);
 
+  // Initializes the process-wide memory-manager with the default options.
+  memory::initializeMemoryManager({});
+
   VeloxIn10MinDemo demo;
   demo.run();
 }