public void setFilterShards(final int filterShards) {
        this.filterShards = filterShards;
    }

    public int getQueueReplicas() {
        return queueReplicas;
    }

    public void setQueueReplicas(final int queueReplicas) {
        this.queueReplicas = queueReplicas;
    }

    public int getDataReplicas() {
        return dataReplicas;
    }

    public void setDataReplicas(final int dataReplicas) {

	<component name="crawlerConfig" class="org.codelibs.fess.crawler.util.OpenSearchCrawlerConfig">
		<property name="queueIndex">"fess_crawler.queue"</property>
		<property name="queueShards">5</property>
		<property name="queueReplicas">1</property>
		<property name="dataIndex">"fess_crawler.data"</property>
		<property name="dataShards">5</property>
		<property name="dataReplicas">1</property>
		<property name="filterIndex">"fess_crawler.filter"</property>