Speed up reindex

Elastic Stack Elasticsearch
1

I need to reindex a large index as a backup. But It takes a lot of time.
one minute per 2 giga bytes. I have set indices.index buffer size to 70% in elasticsearch.yml and refresh interval to -1. Can you give me some advice?

2

Increase the resources to your cluster - memory, cpu, use SSDs.

3

A post was split to a new topic: Improve reindex speed into new cluster

4

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