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planner, executor: add some comments about how we decide sample rate #34140
planner, executor: add some comments about how we decide sample rate #34140
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Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/66f5b8e21cea803abc4543aab5c7b9aed72f00e2 |
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LGTM
/merge |
This pull request has been accepted and is ready to merge. Commit hash: 5d1ed22
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TiDB MergeCI notify✅ Well Done! New fixed [1] after this pr merged.
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What problem does this PR solve?
Issue Number: ref #24182
Problem Summary:
Just add some comments about how we decide the sample rate.
Tests
Release note
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