kv-client(cdc): log slowest regions and region holes #9933
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Signed-off-by: qupeng <[email protected]>
Signed-off-by: qupeng <[email protected]>
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What problem does this PR solve?
Issue Number: ref #9222
What is changed and how it works?
Log slowest regions and region holes to help debug potential bugs.
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