elasticsearch nosql

NoSQL data model (4) Summary of nosql aggregation, NoSQLBackground in the first three articles, we have introduced three databases that belong to the aggregation model in NoSQL: Key-value type, document type, and column family type. The following analyzes the common points and differences of the three aggregate data models to better understand their respective ch

Key-Value Store databaseTemporary: as memcached. The temporary key-value database stores the data in memory, which in two cases results in the loss of data, the first is the power outage, but the data content exceeds the memory size. The benefits of this treatment are very fast.Permanent type: such as Tokyo Tyrant, flare and RomaThe two are both types: Redis. Redis first data in memory, and then meet certain conditions (the default is 15 minutes more than 1 times, 5 minutes more than 10, 11 minu

processing. LUCENE,SOLR, ElasticSearch?Now the mainstream search engine is probably: Lucene,solr,elasticsearch.They are indexed based on an inverted index, what is an inverted index? WikipediaInverted index (English: Inverted index), also often referred to as a reverse index, place file, or reverse file, is an indexed method that is used to store the mapping of a word in a document or group of documents under a full-text search. It is t

Before we talked about the Elasticsearch (search engine) operation, such as: Add, delete, change, check and other operations are used Elasticsearch language commands, like SQL command, of course Elasticsearch Official also provides a python operation Elasticsearch (search engine) interface package, just like the SQLAlc

databases, document databases, column-store databases, and graph databases.Key/value databases represented by Memcached and redis, and document databases represented by MongoDb are the most commonly used in the project. Key/value database representatives: Memcached and Redis. Representative of document-type Database: MongoDb.Advantages of NoSQL Since NoSQL makes up for the shortcomings of relational databa

[ArticleAuthor: Sun Li link: http://www.cnblogs.com/sunli/ updated by: 2011-2-21] The previous two articles, "Why use nosql" and "relational database or nosql Database", roughly introduced why nosql should be used and when nosql should be used. I often feel confused when I see the introduction of

First, window installation Elasticsearch installationThe client version of Elasticsearch must be consistent with the main version of the server version.1, Java Installation "slightly" 2, Elasticsearch downloadAddress: https://www.elastic.co/downloads/past-releasesSelect the appropriate version, use elasticsearch5.4.3 download zip here3, decompression

In order to make it easier for you to find the part that you need to reference more quickly, the part that has been translated is done according to the catalogue of the authoritative guide, and I hope to be helpful. Start (Getting Started) 1. You know, to search English original link: you Know, for Search 2. Life in the cluster Translation Links:How the [Elasticsearch] cluster works-part I.How the [Elasticsearch