checker(dm): fix deadlock when check-task/start-task (#5772) #5774
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Jun 7, 2022
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This pull request has been accepted and is ready to merge. Commit hash: 23505b3
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manually cherry-pick #5772
What problem does this PR solve?
Issue Number: close #5759
What is changed and how it works?
ShardingTablesChecker: return an error so errgroup will cancel the context
TablesChecker: start consumer of channel earlier
Check List
Tests
Questions
Will it cause performance regression or break compatibility?
Do you need to update user documentation, design documentation or monitoring documentation?
Release note