ES TIPS

时间:2023-03-09 16:42:53
ES TIPS

1,Testing Analyzers

Especially when you are new to Elasticsearch, it is sometimes difficult to understand

what is actually being tokenized and stored into your index. To better understand

what is going on, you can use the analyze API to see how text is analyzed. Specify

which analyzer to use in the query-string parameters, and the text to analyze in the

body:

GET

/_analyze?analyzer=standard

2,Viewing the Mapping

We can view the mapping that Elasticsearch has for one or more types in one or more indices by using the /_mapping endpoint. At the start of this chapter, we already retrieved the mapping for type tweet in index gb:

GET /gb/_mapping/tweet

This shows us the mapping for the fields (called properties) that Elasticsearch generated dynamically from the documents that we indexed: