WARNING: Version 5.5 of Elasticsearch has passed its EOL date.

This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.

Elastic Docs ›Elasticsearch Reference [5.5] ›Breaking changes ›Breaking changes in 5.2
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Shadow Replicas are deprecatededit

Shadow Replicas don’t see much usage and we are planning to remove them.

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