Search performance when indexing new documents

Elastic Stack Elasticsearch
1

Hi all

We have just been indexing quite a lot of new documents into our index.

Queries performed through the Kibana console usually take around 200ms. However, during this period of creating new documents, the same searches were taking an average of around 2s.

Is this because of the indexing of these new documents? Is there something we can do to improve the indexing speed, and therefore have less impact on the search speed?

For example, if we mark certain mappings as index=false so that they are not searchable fields, would this improve the speed of the indexing?
Or would we see improvement if we changed the refresh interval to 10 or 20 seconds? I'm reluctant to do this one because we have a LOT of search requests.

Thanks

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