Amazon Elasticsearch Service has increased its snapshot frequency from daily to hourly, providing more granular recovery points. If you need to restore your cluster, you now have numerous, recent snapshots to choose from. These automated snapshots are retained for 14 days at no extra charge.
不過這是 5.3+ 版本才有,舊版只有 daily:
In both cases, the service stores the snapshots in a preconfigured Amazon S3 bucket at no additional charge. You can use these automated snapshots to restore domains.
算是方便管理...
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