Programmer Think

origin At present, most companies are distributed services. For the analysis of production logs, a log collection system needs to be built to facilitate development, operation and maintenance to analyze and monitor production problems. This blog uses filebeat + Kafka + logstash + elastic search + kibana to build a distributed log collectio ...

1, What is ElasticSearch Elasticsearch is an open source distributed and RESTful search and data analysis engine. Its bottom layer is the open source library Apache Lucene.   Lucene can be said to be the most advanced, high-performance and full-featured search engine library at present - whether open source or private, but it is only a li ...

catalogue I. elasticsearch7 6.1 installation steps II. Install kibana client (all three machines should be installed. Ordinary users should perform the following operations) III. install IK word splitter (ordinary user operation) 4. Install elasticsearch head plug-in (all three machines need to be operated. Ordinary users need ccb operation ...

WeChat official account: operation and development story, author: wanger one Upgrade scheme 1 Scope of influence During the upgrade, the existing system will not be affected, and the system will maintain normal operation. After the upgrade, the availability test will be conducted for a period of time, and the production monitoring will b ...

hi, everyone, today I continue to finish last week's content!! Next to the last part, today we share the Elasticsearch full-text search engine, which is encapsulated and enhanced based on Lucene. First of all, let's introduce elastic search, or es for short. It is an open source and highly extended distributed full-text search engine, which c ...

Preparation for experiment premise: three virtual machines server1 server2 server3 Elasticsearch brief introduction Elasticsearch is a Lucene based search server. It provides a distributed multi-user full-text search engine based on RESTful web interface. Elasticsearch is developed in the Java language and released as an open source und ...

Basic concepts Index (index) Saving a piece of data to elastic search is called indexing a piece of data Type In Index, you can define one or more types, which are similar to tables in MySQL. Each type of data is put together. Document A piece of data (Document) saved in a certain type under an index. In ES, each data is called a Document ...

New data type symbol S6 introduces a new raw data type Symbol, which represents a unique value. The Symbol value is generated by the Symbol function. That is to say, there are two types of attribute names of objects. One is the original string, and the other is the new Symbol type. All attribute names that belong to Symbol type are unique, wh ...

1. Difference between best field and most fields 1. best_fields: When searching for specific concepts of words, such as "brown fox", phrases are more meaningful than independent words. The more words the document contains in the same field, the better. The score also comes from the most matching field. 2. most_fields: In order to ...

Video tutorial: [crazy God says Java] ElasticSearch7.6.x the latest complete tutorial is easy to understand Video address: https://www.bilibili.com/video/BV17a4y1x7zq Refuse white whoring and thank the crazy God for sharing the video tutorial ElasticSearch overview ElasticSearch, or es for short, is an open-source and highly extended distribu ...