@Override
      public void run() {
        final PartitionedRegion pr = (PartitionedRegion) getRootRegion(name);
        assertNotNull(pr);
        for (int counter = 1; counter <= 6 * maxEntriesForVm1; counter++) {
          pr.put(counter, new byte[1]);
        }
      }
This class tests total entry count of partitioned regions.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PartitionedRegionEntryCountDUnitTest.java