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Description
Is your feature request related to a problem? Please describe
If we want to stop-relay or start-relay for all sources when meet problems or other reason, we need to operate-source show to see all bound relations and than start/stop it one by one.
Describe the feature you'd like
Add a command like
# no need to specify worker, DM auto choose the correct worker
stop-relay -s source1,source2
start-relay -s source1,source2
# stop/start for all sources
stop-relay -a
start-relay -a
Describe alternatives you've considered
No response
Teachability, Documentation, Adoption, Migration Strategy
No response