原文地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.7/xpack-ccr.html, 原文档版权归 www.elastic.co 所有
IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
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: