How to understand "Strings longer than the ignore_above setting will not be indexed or stored."?

[light_chen]

I want to verify whether my understanding about the meaning that the glossary "not be indexed" and "not be stored" is right.
I suppose "not be indexed" means that the terms analysed from the original field value will not be indexed to the underlying index(may be a SkipList or RedBlackTree) . In addition, the
"not stored" means that the full original field value will not be stored to the index node.

Maybe bother you, i'am a student and just recently to learn ElasticSearch.

[dadoonet (David Pilato)]

Welcome!

@light_chen

I suppose "not be indexed" means that the terms analysed from the original field value will not be indexed to the underlying index.

Correct.

@light_chen

In addition, the
"not stored" means that the full original field value will not be stored to the index node.

Correct. But note that it won't remove it from the _source field which is stored by default. It only applies to a given field.

[light_chen]

I got it, thanks a lot!