Es interview questions

1. How inverted indexing works

answer ： Baidu

2. What are the word splitters

answer ：
Standard participator ： Break words according to words , English unified to lowercase , Filter punctuation , Chinese word segmentation
simple Word segmentation is ： English word segmentation , English unified to lowercase , Remove the symbol , Chinese word segmentation according to the space
whitespace Word segmentation is ： Chinese and English word segmentation according to the space , English will not be converted to lowercase , Without removing punctuation marks

3. There has been a query The query , Why are there filter queries

Filtering queries will not calculate data scores , file query Query the score of accounting data , Affect query performance . stay ES First, filter and query , Document again query Inquire about .