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WIP: Storages: Add some stats of table scanning #8990

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JinheLin
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What problem does this PR solve?

Issue Number: ref #8864

Problem Summary:

The time of table scanning in explain analyze is not the real working time of the scanning operator.

This PR add some stats of table scanning and print them in the log to help debugging some performance issues.

What is changed and how it works?

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No code

Side effects

  • Performance regression: Consumes more CPU
  • Performance regression: Consumes more Memory
  • Breaking backward compatibility

Documentation

  • Affects user behaviors
  • Contains syntax changes
  • Contains variable changes
  • Contains experimental features
  • Changes MySQL compatibility

Release note

None

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ti-chi-bot bot commented Apr 25, 2024

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

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ti-chi-bot bot commented Apr 25, 2024

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please ask for approval from jinhelin, ensuring that each of them provides their approval before proceeding. For more information see the Code Review Process.

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@ti-chi-bot ti-chi-bot bot added do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. release-note-none Denotes a PR that doesn't merit a release note. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Apr 25, 2024
@JinheLin JinheLin closed this Apr 25, 2024
@JinheLin JinheLin deleted the table_scanning_metrics branch April 28, 2024 07:30
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