Programming VIP

1. Type problem When you create an index directly, the default type is set to_ doc. You can also use put below to specify the type, and then delete this document. Hehe. Does it implement an empty and typed index PUT / index name / type name (can not be directly replaced by _doclater) / document id { Request body } 2. Field type in docu ...

1, Stand alone installation 1.1 elasticsearch and kibana There are three ways to install es and kibana: yum, rpm, tar gz The latter two methods can be used in the Intranet environment when yum needs to open the external network. 1.1.1 es installation How we install rpm this time: Download the rpm file and upload it to the server, and ins ...

In the previous chapter, we built the ES cluster. Interested friends can refer to it Introduction to the core concept of elasticSearch (XIII): docker building ES cluster Here we introduce the partition management of ES cluster index ES cluster index fragmentation management introduce Shard: because ES is a distributed search engine, t ...

1. Document analysis   analysis includes the following processes: Dividing a piece of text into independent entries suitable for inverted indexing;Unify these entries into a standard format to improve their "searchability", or recall;    when the analyzer performs the above work, it actually encapsulates three fu ...

Before we created the index and looked up the data, we used the default word segmentation device. The word segmentation effect is not ideal. We will divide the text field into Chinese characters one by one, and then segment the searched sentences when searching. Therefore, we need a more intelligent ik word segmentation device. 1.1. Instal ...

background I've also built and experienced Elasticsearch 7 X's services and clusters, however, have been running in the Intranet environment at that time, and there is no configuration xpack related to its authentication. I remember the suggestion written at that time: because Elasticsearch does not enable the built-in security defense mechani ...

Simple use of search In the previous chapter, we introduced the basic use of the document. If you are interested, you can refer to it Introduction to the core concept of elasticSearch (III): addition, deletion, modification and query of documents In this chapter, we will make a simple use of search. 1, Let's delete all the indexes in ...

Note: please correct any mistakes. This blog is for learning reference only. Come on! 1, First acquaintance with electricsearch 1.1 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 lan ...

Premise: This article is written based on elasticsearch 6.4.2. There may be slight differences between the two versions Document, index, type attributeexplaindocumentThe data information to be stored, such as employee data. An employee data can represent a documentindexThe behavior of storing documents in elastic search is called Indexing; An ...

IK word splitter is a word splitter about Chinese. If there is IK word splitter, naturally there are other word splitters. For example, pinyin word splitter is for pinyin word segmentation, and letter word segmentation is for letter word segmentation. A good way for ES is to expand these functions in the form of plug-ins. Download and installa ...