kv-client(cdc): add more logs to help debug slow regions (#9981) #9982
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Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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Signed-off-by: qupeng <qupeng@pingcap.com>
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Signed-off-by: qupeng <qupeng@pingcap.com>
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This is an automated cherry-pick of #9981
What problem does this PR solve?
Issue Number: close #9980
What is changed and how it works?
add more logs to help debug slow regions.
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