Long startTime = System.currentTimeMillis()
SearchResponse searchResponse = restHighlevelclient.search(searchRequest, RequestOptions.DEFAULT);
Long endTime = System.currentTimeMillis();
log.info("took time:{},execution time:{}"，searchResponse.getTook() , (endTime - startTime) + "ms"):
//日志
took time：20ms ，execution time：80ms
took time：19ms ，execution time：77ms
took time：48ms ，execution time：349ms
took time：18ms ，execution time：65ms
took time：34ms ，execution time：884ms
took time：19ms ，execution time：59ms
took time：16ms ，execution time：55ms
took time：19ms ，execution time：1113ms
tookt ime：24ms ，execution time：65ms
tookt ime：16ms ，execution time：56ms
tookt ime：16ms ，execution time：909ms
索引总条数是 2w 条数据，查询条数是 1w 条，实际返回 6000 多条，条件很简单就一个 match ，发现代码实际执行时间不太稳定，应该不需要 1s ，请教下是什么原因？该怎么排查？
