public static void createCacheForVM0() {
    try {
      ds = (new PutAllGlobalDUnitTest()).getSystem(props);
      cache = CacheFactory.create(ds);
      AttributesFactory factory = new AttributesFactory();
      factory.setScope(Scope.GLOBAL);
      RegionAttributes attr = factory.create();
      region = cache.createRegion("map", attr);
    } catch (Exception ex) {
      ex.printStackTrace();
    }
  }
timeout period for the put() operation, when it is run concurrent with a conflicting putAll()
operation
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PutAllGlobalDUnitTest.java