Update tidb-lightning-physical-import-mode.md (#15792) (#15804)

pingcap · Dec 20, 2023 · 38438ed · 38438ed
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diff --git a/tidb-lightning/tidb-lightning-physical-import-mode.md b/tidb-lightning/tidb-lightning-physical-import-mode.md
@@ -93,3 +93,9 @@ It is recommended that you allocate CPU more than 32 cores and memory greater th
 - When you use TiDB Lightning with TiCDC, note the following:
 
     - TiCDC cannot capture the data inserted in the physical import mode.
+
+- When you use TiDB Lightning with BR, note the following:
+
+    - When BR backs up snapshots of tables that are being imported by TiDB Lightning, it might result in inconsistent backup data for those tables.
+    - When BR backs up data using AWS EBS volume snapshots, TiDB Lightning might fail to import data.
+    - Point-in-time recovery (PITR) cannot back up data imported by TiDB Lightning.