How to query all data by ElasticSearch

This article mainly introduces "how to query all data in ElasticSearch". In daily operation, I believe many people have doubts about how to query all data in ElasticSearch. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to query all data in ElasticSearch". Next, please follow the editor to study!

1. Query all records by paging, but a maximum of 10000 records can be checked. If you exceed it, you will report an error public List getAll (String index, String type, QueryBuilder queryBuilder, Class tClass) {SearchResponse searchResponse = buildRequest (index, type, queryBuilder, 0). Get (); SearchHits hits = searchResponse.getHits (); int total = (int) hits.totalHits; List result = new ArrayList (total); addToResult (hits,result,tClass); int pagesize = 1000 Int page = total / pagesize; if (total% pagesize! = 0) {page++;} for (int I = 2; I