Some time ago, I participated in the offline platform project of Elasticsearch, mainly to build a set of Elasticsearch buildService. On the one hand, bahamut's...
Data classification The data in our life is generally divided into two types: structured data and unstructured data. Structured data: data of fixed format or...
About the author: Meituan big Data Engineer, Apache Kylin Committer, currently responsible for the platform construction of Meituan OLAP system (Kylin & Druid & Palo)....
Lucene is a java-based full-text information retrieval toolkit. At present, the mainstream search systems Elasticsearch and Solr are based on Lucene's index and search capabilities....
This article introduces the content and working principle of Lucene full-text retrieval, as well as the structure of the index, aiming to let readers who...
Today, we're going to talk about Lucene, so please move your benches. The above are the commonly used full-text search engine frameworks in Java, and...
In distributed clustering, we introduced sharding, describing it as the underlying unit of work. But what exactly is sharding, and how does it work? In...
One is Serial Scanning: The so-called sequential scanning, for example, to find a file containing a certain string, is a document by document, for each...
Online advertising is a common way of business realization in Internet industry. From the engineering point of view, the structure and implementation of advertising index...
Solr is apache's top open source project. It is a full-text search server developed in Java and based on Lucene. Solr provides more query statements...
On May 29, Mr. Zheng Qihua, director of Software technology of Record Data, shared a keynote speech on "Achieving trillion-level Multidimensional Retrieval and Real-time analysis...
Schema Mapping in ElasticSearch is the process of defining document types and fields to store and index. Remember that mapping is a dynamic process. Each...
1.1 What is Lucene? Lucene is a sub-project of the Apache Foundation Jakarta project group; Lucene is an open source full text search engine toolkit,...
@[toc]ElasticSearch (ElasticSearch) @[toc]ElasticSearch (ElasticSearch) @[toc]ElasticSearch (ElasticSearch) @[toc]ElasticSearch (ElasticSearch) In view of the 23 common mapping parameters, Songge specially recorded a video tutorial: video link: [link]...
Solr is a high-performance, Lucene-based full-text search server. At the same time, it has been extended to provide a richer query language than Lucene, and...
Normalizer is used for ElasticSearch by Ran Yi-ming. The Normalizer is used for ElasticSearch by Ran Yi-ming. Analyzer is made up of three parts: CharacterFilters,...