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ElasticSearch configuration example and elasticsearch example
##################### ElasticSearch configuration example ################ #####
# This file contains an overview of various configuration settings,# Targeted at operat
Online API:Https://www.elastic.co/guide/en/elasticsearch/client/java-api/2.4/transport-client.htmlTutorial:Http://blog.java1234.com/blog/articles/345.htmlAttention:different versions of the ES API differ significantly, the introduction of the jar package version must be consistent with production. tools and methods of use can refer to the spare Parts system project: source See GitHubTools and methods of use can refer to the spare Parts system project:
-cluster/elasticsearch-node2/logs[[email protected] logs]# lselasticsearch-cluster-centos_index_indexing_slowlog.log elasticsearch-cluster- Centos.log elasticsearch-cluster-centos_index_search_slowlog.log7. Our simple cluster configuration is complete. View the clusterBecause we have the head plugin installed, we can see through the plugin that the virtual ma
put something in the customer index. The first thing to know is that in order to index a document, we have to tell Elasticsearch which type (type) The document will go to.
Let's index a simple customer document to the customer index, the "external" type, and the ID of this document is 1, as follows:Curl-xput ' Localhost:9200/customer/external/1?pretty '-d '{"Name": "John Doe"}'
The response is as follows:Curl-xput ' Localhost:9200/customer/external
Install Nodejs:Yum Install NodejsRun the node command to see if the installation was successful:You can see the successful entry to the command line and the installation is successful.The node command is preceded by a dot, using. Help to see which commands are available:Use. Exit to exit.Installing the NODEJS Package management tool NPM:Yum Install NPMTo install a package in Nodejs using NPM:When installing the package with the NPM command, you encounter an issue with HTTPS authentication, turn
Reprint: Http://m.blog.csdn.net/u012546526/article/details/74184769Elasticsearch Java API Common query Methods QueryBuilder Construction Example Environment Elasticsearch version5.1.1PomDependency> groupId>Org.elasticsearchgroupId> Artifactid>ElasticsearchArtifactid> version>5.1.1version>Dependency>Elasticsearch Index Mode number{ "type": "Long"}Strin
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 exam
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UpdateRequestupdateRequest=newUpdateRequest();updateRequest.index(indexName);updateRequest.type(type);updateRequest.id("1");updateRequest.doc(jsonBuilder().startObject().field("type","file").endObject());client.update(updateRequest).get();
The second type of code:?
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IndexRequestindexRequest=newIndexRequest(indexName,type,"3").source(jsonBuilder().startObject().field("type","syslog").field("eventCount",2).field("eventDate"
The and symbol determines that multiple columns exist: {"Filter": {"and": [{"Exists": {"Field": "Sid"}},{"Exists": {"Field": "Level"}}]}} BOOL Combination {"Filter": {"and": [{"or": [{"Match_phrase": {"DisplayName": "S"}},{"Match_phrase": {"DisplayName": "L"}}]},{"Match_phrase": {"DisplayName": "A"}},{' Not ': {"Match_phrase": {"displayname": "P"}}}]}} Note: Similar and symbols replaced with bool must actually result in the same;Elasticsearch determin
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