elasticsearch reindex

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Some excellent elasticsearch Use Cases Abroad

GitHub "GitHub uses elasticsearch to search 20 TB of data, including 1.3 billion of files and 130 billion rowsCode" I don't need to introduce this. coders understand it. GitHub upgraded their code search in January 2013 and changed it from SOLR to elasticsearch, the current cluster size is 26 index storage nodes and 8 client nodes (responsible for processing search requests). For details, see the officia

ElasticSearch Java api-Delete Index

document that deletes an index named blog with a type of Article,id 1:DeleteResponse dResponse = client.prepareDelete("blog", "article", "1").execute().actionGet(); 1 2 by Deleteresponse the Isfound () method of the object, you can get the success of the deletion, and the return value is a Boolean type.Third, delete through queryelasticsearch-2.3 and older APIs are not the same, install plugins:delete-by-query 1 When a cluster has multiple nodes, each node needs

Some of the best foreign elasticsearch use cases

Github "GitHub uses Elasticsearch to search 20TB of data, including 1.3 billion of files and 130 billion lines of code" This does not need to introduce, the yards farmers understand, GitHub in January 2013 upgraded their code search, from SOLR to Elasticsearch, the current cluster size of 26 index storage nodes and 8 client nodes (responsible for processing search requests), see the official BlogHttps://git

Elasticsearch MySQL incremental sync three-table federated script

Tags: concat mysq ast Data run IDC Add judge using tutorialDownload the appropriate dist package from the top plugin website and unzip it. Into the bin directory, you can see a bunch of sh scripts. Create a test.sh in the bin directory: Bin=/home/csonezp/dev/elasticsearch-jdbc-2.3.1.0/binLib=/home/csonezp/dev/elasticsearch-jdbc-2.3.1.0/libEcho ' {"Type": "JDBC","Statefile": "Statefile.json","JDBC": {"url":

ElasticSearch Java Api-delete Index

blog with a type of Article,id 1:DeleteResponse dResponse = client.prepareDelete("blog""article""1").execute().actionGet();by Deleteresponse the Isfound () method of the object, you can get the success of the deletion, and the return value is a Boolean type.Third, delete through queryelasticsearch-2.3 and older APIs are not the same, install plugins:delete-by-queryDelete the index named Twitter, with all documents of type Tweet,user field containing kimchy:DELETE /twitter/tweet/_query?q=user:ki

ElasticSearch Video Tutorial Free download

Elasticsearch is a Lucene-based search server. It provides a distributed multi-user-capable full-text search engine, based on a restful web interface. Elasticsearch is a popular enterprise-class search engine developed in Java and published as an open source under the Apache license terms. Designed for cloud computing, it can achieve real-time search, stable, reliable, fast, easy to install and use.We build

Cloud computing Platform (search article)-elasticsearch

A period of time for the company based on Elasticsearch (hereinafter referred to as ES) to do a set of search platform, the following will accumulate some of the knowledge to share with you, if there is wrong, welcome a lot of criticism and suggestions. For Elasticsearch because things are still more, I will make a series. Here is the directory for this system:Environment preparationThis series of articles

Windows environment builds Elasticsearch 5.* and configures head

Windows environment to build Elasticsearch 5.* need JDK1.8;1. Download ElasticsearchHttps://www.elastic.co/cn/downloads/elasticsearch#ga-releaseBecause it's a Windows version, you can download the zip2, unzip, my directory location: "E:\es\elasticsearch-5.4.1"In the folder's Bin directory, double-click Elasticsearch.bat to execute, after completing any browser ty

Install the elasticsearch plug-in

Go to the bin directory under the elasticsearch installation directory: 1. Install the head plug-in Plugin-install mobz/elasticsearch-head Verification: http: // localhost: 9200/_ plugin/head/ * Use the head to view the results after word segmentation: Navigate to any request-> query: Fill in three fields: A. http: // 127.0.0.1: 9200/index name/ B. _ analyze? Analyzer = ik C. The keyword to be viewed (the

Common elasticsearch operations: Mappings

Tag: match missing size win attribute format Integer Ring null[TOC] In fact, the elasticsearch field type is automatically checked by elasticsearch or specified by ourselves. Therefore, it can be divided into dynamic ing and static ing.1 Dynamic ing 1.1 ing rules Data in JSON format Automatically inferred Field Type Null No field added True or false Boolean Type

Mapping and analysis of Elasticsearch

"Quick" lowercase), remove the words (such as disabling words "a" , and "and"``"the" so on), or add words (such as synonyms "jump" and "leap" )Elasticsearch offers many out-of-the-box character filters, Word breakers, and characterization filters. These can be combined to create a custom parser to respond to different requirements. We will discuss this in more detail in the section "Custom Analyzers".Built-in analyzersHowever,

Elasticsearch's JAVAAPI Client

translated in original : Http://www.elasticsearch.org/guide/en/elasticsearch/client/java-api/current/client.html#node-client Translation of Elasticsearch's JAVAAPI client This section describes the Java APIs provided by Elasticsearch, and all elasticsearch operations are performed using the client object. All operations are essentially completely asynchrono

Elasticsearch Mapping and Analysis _elasticsearch

Analysis and Analyzer Analysis is the process of characterizing a block of text as a separate word for inverted indexing (term) and then standardizing the words as standard forms, improving their "searchable" or "recall" This work is done by analyzer. A parser is just a wrapper for putting three functions into one package: Character filters First, the string passes through the character filter (character filter), whose work is to process the string before it is represented (the word is more appr

MongoDB data is automatically synced to ElasticSearch

Our products require full-text search functionality, and back-end data storage primarily uses MySQL + MongoDB, where the content that needs to be retrieved is in MongoDB.MongoDB itself is self-featured with text indexing, but it does not support Chinese. The technology industry has specialized, MongoDB is the data storage application, then the full text search uses the specialized full-text search engine bar.Some of the pre-selected contestants are: SOLR, El

LOGSTASH-INPUT-JDBC implementation of MySQL and Elasticsearch real-time synchronization in depth

Tags: technical input different password installation detailed HTML LED STDThe advent of elasticsearch makes our storage, retrieval data faster and more convenient. But in many cases, our demand is: the current data stored in MySQL, Oracle and other relational traditional database, how to try not to change the original database table structure, the insert,update,delete operation results of these data in real-time synchronization to

The get,delete,bulk of the Javaapi of Elasticsearch

= Client.preparedelete ("Twitter", "tweet", "1") . setoperationthreaded (False) . Execute () . Actionget (); The bulk of the javaapi of Elasticsearch The Bulk API can be used to retrieve and delete multiple data in a single request, and here is an example: Import Static org . Elasticsearch . Common . xcontent . xcontentfactory .*; Bulkrequestbuilderbulkrequest=Cl

Using Elasticsearch to build a reptile system

(a) Why use the search. The crawler system is generally divided into multi-threaded download, link pool, data storage, retrieval system and so on. This retrieval system consolidates the information we crawl and speeds up our search. In addition, not only the crawler system use, I feel in all want to make the results index to provide query needs can use a retrieval system, such as personal Social library, large-scale vulnerability scanning system (can be used as a zombie network) and so on. There

Windows environment builds Elasticsearch 5.* and configures head

Objective:es5* above requires jdk1.8,jdk1.8,jdk1.8. Important thing to say three times1. Download ElasticsearchHttps://www.elastic.co/cn/downloads/elasticsearch#ga-releaseBecause it's a Windows version, you can download the zip2, unzip, my directory location: "E:\elasticsearch-5.4.1\"In the folder's Bin directory double-click Elasticsearch.bat execution, after the completion of any browser type 127.0.0.1:92

Cloud computing platform (Search)-elasticsearch

Some time ago, I made a search platform for the company based on elasticsearch (elasticsearch). I will share some of the accumulated knowledge during this period with you. If anything is wrong, you are welcome to give more criticism and suggestions. For elasticsearch, because there are still many things, I will make it into a series. The following is the director

Elasticsearch Installing Chinese word segmentation plugin IK

Elasticsearch default provided by the word breaker, will separate each character, not what we want according to keywords to participle, such as we want to "Chinese", "China", "I" such participle, so need to install Chinese word-breaker IK to achieve this function.Elasticsearch-analysis-ik is a Chinese word breaker, support custom thesaurus, the specific installation steps are as follows:1. Download the latest IK participle source from GitHub to localM

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