elasticsearch java client

Elasticsearch supports batch addition or deletion of index documents. In Java APIs, bulkrequestbuilder is constructed, batch index/delete requests are added to bulkrequestbuilder, and bulkrequestbuilder is executed. The following is an example: Import static Org. elasticsearch. common. xcontent. xcontentfactory. *; bulkrequestbuilder bulkrequest =

First, install the plug-inTo delete all documents under one type of an index, this is equivalent to emptying the table operation in a relational database . Check out some of the information can be removed through the Delete-by-query plugin, first install the Delete-by-query plugin using the plugin manager:sudo bin/plugin install Delete-by-queryOffline mode similar to head, decompression placed under the elasticsearch/plugins/can be.When a cluster has

export documents in the index library to a file in JSON format, where the cluster name is "Bropen", the index library is named "blog", the type is "article", and the new Files/bulk.txt is created under the project root directory. Indexed content written in Bulk.txt: Import Java.io.BufferedWriter; Import Java.io.File; Import Java.io.FileWriter; Import java.io.IOException; Import java.net.InetAddress; Import java.net.UnknownHostException; Import Org.elasticsearch.action.search.SearchResponse; I

ES (Elasticsearch) suggester A total of four categories (term suggester, phrase suggester, completion suggester, context Suggester), Among them, completion suggester as the auto-completion function in the search box, especially used.This article will implement a simple example in the Java language to describe how to use completion suggester.The main function of the example is to create an auto-completion fu

Java official documentation for the main reference el: https://www.elastic.co/guide/en/elasticsearch/client/java-api/1.7/generate.html A blog: http://www.cnblogs.com/huangfox/p/3543134.html Elasticsearch Official Guide: http://es.xiaoleilu.com/010_Intro/30_Tutorial_Search.ht

", "Carsource", "1"). //SetSource (Model2json ()). get ();//if (urequest.) {//System.out.println ("add Success");// } } Public Static voidsetmapping (client client) {Try{putmappingresponse response=client.admin (). Indices (). prepareputmapping ("Carsrc"). SetType ("Carsource"). SetSource (Xcontentfactory.jsonbuilder (). StartObject () . StartObject ("Car_name"). StartObject ("Cars"). Field ("

Elasticsearch Java API (ii): index create delete cluster managementElastic official website has the authoritative Java API English needs to be patient to see here to tidy up the basic operationCreate a MAVEN project to add dependencies First, customize a client to connect ES/*** Created by Forgeeks at 2017-03-22

/releasesTo download the version of the ES that you are using IK version ES version master 2.1.1-> master 1.7.0 2.1.1 1.6.1 2.1.0 1.5.0 2.0.0 1.4.1 1.7.2 1.4.0 1.6.0 1.3.0 1.5.0 1.2.9 1.4.0 1.2.8 1.3.2 1.2.7 1.2.1 1.2.6 1.0.0 1.2.5 0.90.x 1.1.3 0.20.x 1.1.2 0.19.x 1.0.0 0.16.2-> 0.19.0As shown above, individuals believe that a version of the high will be compatible with the low version After the download is complete, unpack and then package using MVN package, where you need to install MAVEN,

The Elasticsearch (name is too long, hereafter referred to as ES) as a search engine, is now at its zenith, almost and Solr Qi Drive. There is no longer a description of what he can do with the cloud. However, the official ES of the documentation, especially on Java client documentation, is really little pathetic, even a complete deletion of the example of the c

(Springjunit4classrunner.class) @ContextConfiguration (locations = "Classpath:applicationContext.xml") public class TestES {@Autowired @Qualifier ("esclient") Private CLient client; @Test public void Testsearch () {String index= "index_log_daily"; String type= "Uq_log"; String uquestion = "139"; String province = "Jiangsu"; SearchResponse SearchResponse = Client.preparesearch (i

Useful Links: Http://stackoverflow.com/questions/12215380/sorting-on-several-fields-in-elasticsearchSometimes, you need to set the order yourself, Java an interface is as follows:String time1 =constvalue.getcurrentdate (); Sortbuilder Sortbuilder = Sortbuilders.fieldsort ("Tfp_save_time"). Order (SORTORDER.DESC). ignoreunmapped (true /c2>); SearchResponse Scrollresp=client. Preparesearch ("flume-" + time1 +