原英文版地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.7/xpack-ccr.html, 原文档版权归 www.elastic.co 所有
本地英文版地址: ../en/xpack-ccr.html

Cross-cluster replicationedit

The cross-cluster replication (CCR) feature enables replication of indices in remote clusters to a local cluster. This functionality can be used in some common production use cases:

  • Disaster recovery in case a primary cluster fails. A secondary cluster can serve as a hot backup
  • Geo-proximity so that reads can be served locally

This guide provides an overview of cross-cluster replication: