WebConfig webConfig = new WebConfig();
        ComponentUtil.getCrawlingConfigHelper().store("test", webConfig);
        setValueToObject(ComponentUtil.getLabelTypeHelper(), "labelTypePatternList", new ArrayList<LabelTypePattern>());

        System.gc();
        long current = MemoryUtil.getUsedMemory();
        for (int i = 0; i < 10000; i++) {