Archive Log Round · k8s原理與實踐 · 看云

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# Archive Log Round OceanBase 數據庫的日志歸檔是連續備份的，不受 Backup Set 的管理。每次執行 ALTER SYSTEM ARCHIVELOG 發起日志歸檔的時候，會將 Archive Log Round 加 1 。一個 Archive Log Round 表示一個完整連續的日志備份。日志歸檔沒有單獨的備份管理命令，每次刪除數據備份的 Backup Set 的時候，會自動將不再需要的日志歸檔文件刪除。如果一個 Archive Log Round 比現存的所有 Backup Set 都舊，那么整個 Archive Log Round 都會被刪除。

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