private Cache getCache() {
    if (cache == null) {
      Properties props = new Properties();
      props.setProperty(LOCATORS, "");
      props.setProperty(MCAST_PORT, "0");
      cache = new CacheFactory(props).create();
    }
    return cache;
  }
Test for transactional operations on overflowed data
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/eviction/TransactionsWithOverflowTest.java