wei liu 0420dc1eb1
fix: use correct delete checkpoint to prevent premature data cleanup (#40366)
issue: #40292
related to #39552

- Fix incorrect delete checkpoint usage in SyncDistribution
- Change checkpoint parameter from action.GetCheckpoint() to
action.GetDeleteCP() in SyncTargetVersion call
- This resolves the issue where delete buffer data was being cleaned
prematurely due to wrong checkpoint reference

Signed-off-by: Wei Liu <wei.liu@zilliz.com>
2025-03-12 15:00:08 +08:00
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