private void startLRUHeapPercentage(Attributes atts) {
    final String lruAction = atts.getValue(ACTION);
    EvictionAction action = EvictionAction.DEFAULT_EVICTION_ACTION;
    if (lruAction != null) {
      action = EvictionAction.parseAction(lruAction);
    }
    // Store for later addition of ObjectSizer, if any
    stack.push(EvictionAttributes.createLRUHeapAttributes(null, action));
  }
Create an <code>lru-heap-percentage</code> eviction controller, assigning it to the enclosed
<code>region-attributes</code>
geode-core/src/main/java/org/apache/geode/internal/cache/xmlcache/CacheXmlParser.java