void performPuts() {
      diskAccessExceptionOccurred = false;
      putSuccessful[0].set(false);
      putSuccessful[1].set(false);
      putSuccessful[2].set(false);

      try {
        byte[] bytes = new byte[dataSize];
        region.put("1", bytes);
        putSuccessful[0].set(true);
        region.put("2", bytes);
        putSuccessful[1].set(true);
        region.put("3", bytes);
        putSuccessful[2].set(true);
      } catch (DiskAccessException e) {
        diskAccessExceptionOccurred = true;
      }
    }
Regression test for TRAC #41770: ConcurrentRegionOperationsJUnitTest fails with duplicate
create in an oplog
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/DiskRegionJUnitTest.java