Upgrade failure Re-upgrade may cause paused system DDL job can't be executed or dirty data of DDL job #44158
Labels
affects-7.1
feature/developing
the related feature is in development
severity/major
sig/sql-infra
SIG: SQL Infra
type/bug
The issue is confirmed as a bug.
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
Mock: do upgradeNewVer: Add a new mysql.table(New TiDB upgrade failed, and the DDL is queuing, such as TiKV network problems)
Restart the TiDB. And the TiDB do
ResumeAllJobsBySystem
failed.2. What did you expect to see? (Required)
The upgrade succeeds.
3. What did you see instead (Required)
The upgrade may fail because of paused system DDL. But as a DDL job of
Add a new mysql.table
may be paused in DDL table4. What is your TiDB version? (Required)
master
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