br: add incremental recover/backup.#2985
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| 以上命令会备份 `[LAST_BACKUP_TS, current PD timestamp)` 之间的增量数据；注意你可以使用 `validate` 指令获取上一次备份的时间戳。 | ||
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| 在增量恢复的时候，使用 BR 的方法和普通的恢复并无二样；只不过需要注意恢复增量数据的时候，需要保证备份时指定的 last backup ts 之前备份的数据已经全部恢复到目标集群。 | ||
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可以加一段原理描述，增量备份时候会备份[LAST_BACKUP_TS, current PD timestamp)之间的 DDL，然后恢复时候，会首先执行这些 DDL。
Co-authored-by: 3pointer <qdlc2010@gmail.com>
…into br-add-increment
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@YuJuncen Does this PR apply to v3.1? |
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@YuJuncen, please update your pull request. |
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Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com>
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LGTM |
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@YuJuncen, please update your pull request. |
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/run-all-tests |
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cherry pick to release-3.1 in PR #3120 |
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cherry pick to release-4.0 in PR #3121 |
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What is changed, added or deleted? (Required)
I added how-to of the incremental backup/restore to br.
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