代码示例: 说明: 1 version: 2.x 2 设置size大小 size为每个分片的大小,例如: 设置200,有5个shards,每次提取200×5 3 TimeValue.timeValueMinutes(1) 这个设置为查询超时时间 4 setSearchType(SearchType.Scan) 告诉ES不需要排序只要结果返回即可 5 setScroll(new TimeValue(600000)) 设置滚动的时间
SearchResponse response = client.prepareSearch("index") .setTypes("type") .setQuery(QueryBuilders.matchAllQuery()).setSize(200).setScroll(TimeValue.timeValueMinutes(1)).setSearchType(SearchType.SCAN).execute().actionGet(); String scrollid = response.getScrollId(); SearchResponse response2 = client.prepareSearchScroll(scrollid).setScroll(TimeValue.timeValueMinutes(8)).execute().actionGet(); SearchHits searchHit = response2.getHits(); //再次查询不到数据时跳出循环 if (searchHit.getHits().length == 0) { break; } System.out.println("查询数量 :" + searchHit.getHits().length); for (int i = 0; i < searchHit.getHits().length; i++) { String json = searchHit.getHits()[i].getSourceAsString(); //获取原始对象 JSONObject obj = new JSONObject(json);