`tidb_ddl_reorg_max_write_speed` can not change write speed dynamically
Open
affects-7.5
component/ddl
type/enhancement
- Dominant language
- Go
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Description
## Enhancement
In v7.5.x, `tidb_ddl_reorg_max_write_speed` can not change max write speed if an add index job has been started. If an add index job has been running for a long time, it is inefficient to cancel and rerun it.
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