Index alias functionality

Elastic Stack Elasticsearch
1

Hello ES Community!

I want to know what happens when i make a search on an Index Alias ​​with a time filter. Will it bring me back only the indexes that contains that data to search on them or it will bring me back all the indexes of the alias making the search slower?.

Thanks!

2

Hey,

that filter is added to your query automatically. It's basically the same search that you would execute by specifying all the indices you point to in the alias and that time filter manually.

Hope this helps!

--Alex

3

Hi, Alexander

So, it would be better just search for the indexes i need (for example on event based indexes, one per day) instead of searching on the whole index alias? I mean, in matter of performance and response time.

Thanks

4

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