DM loading NONCLUSTERED auto_increment and AUTO_ID_CACHE=1 table with lightning physical backend results in "duplicate entry" #9620
Labels
affects-7.1
This bug affects the 7.1.x(LTS) versions.
area/dm
Issues or PRs related to DM.
severity/major
type/bug
The issue is confirmed as a bug.
What did you do?
Refer to: pingcap/tidb#46100
DM need update lightning version
What did you expect to see?
It should be OK for DM to load NONCLUSTERED auto_increment and AUTO_ID_CACHE=1 table with lightning physical backend.
What did you see instead?
After DM load data, later insert might report error "duplicate entry"
Versions of the cluster
DM version: v7.3.0
current status of DM cluster (execute
query-status <task-name>
in dmctl)(paste current status of DM cluster here)
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