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Storages: Fix read ranges of FastScan #9119

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merged 2 commits into from
Jun 5, 2024

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@JinheLin JinheLin commented Jun 5, 2024

What problem does this PR solve?

Issue Number: close #9118

What is changed and how it works?

Shrinking the read ranges of FastScan.

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

Fix the read ranges of FastScan to reduce duplicate data

@ti-chi-bot ti-chi-bot bot added 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 Jun 5, 2024
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@CalvinNeo CalvinNeo left a comment

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lgtm

@ti-chi-bot ti-chi-bot bot added needs-1-more-lgtm Indicates a PR needs 1 more LGTM. approved labels Jun 5, 2024
@ti-chi-bot ti-chi-bot bot added lgtm and removed needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Jun 5, 2024
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ti-chi-bot bot commented Jun 5, 2024

[LGTM Timeline notifier]

Timeline:

  • 2024-06-05 06:52:06.00215821 +0000 UTC m=+3450479.759293793: ☑️ agreed by CalvinNeo.
  • 2024-06-05 07:14:20.660879789 +0000 UTC m=+3451814.418015364: ☑️ agreed by Lloyd-Pottiger.

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/hold

@ti-chi-bot ti-chi-bot bot added the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Jun 5, 2024
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JinheLin commented Jun 5, 2024

/unhold

@ti-chi-bot ti-chi-bot bot removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Jun 5, 2024
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LGTM

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ti-chi-bot bot commented Jun 5, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CalvinNeo, JaySon-Huang, Lloyd-Pottiger

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:
  • OWNERS [CalvinNeo,JaySon-Huang,Lloyd-Pottiger]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

@ti-chi-bot ti-chi-bot bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. and removed release-note-none Denotes a PR that doesn't merit a release note. labels Jun 5, 2024
@ti-chi-bot ti-chi-bot added needs-cherry-pick-release-7.1 Should cherry pick this PR to release-7.1 branch. needs-cherry-pick-release-7.5 Should cherry pick this PR to release-7.5 branch. needs-cherry-pick-release-8.1 Should cherry pick this PR to release-8.1 branch. labels Jun 5, 2024
@ti-chi-bot ti-chi-bot bot merged commit 60a7e70 into pingcap:master Jun 5, 2024
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In response to a cherrypick label: new pull request created to branch release-7.5: #9121.

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In response to a cherrypick label: new pull request created to branch release-8.1: #9122.

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In response to a cherrypick label: new pull request created to branch release-7.1: #9123.

ti-chi-bot bot pushed a commit that referenced this pull request Jun 5, 2024
close #9118

Shrinking the read ranges of FastScan.

Co-authored-by: jinhelin <[email protected]>
ti-chi-bot bot pushed a commit that referenced this pull request Jun 6, 2024
close #9118

Shrinking the read ranges of FastScan.

Co-authored-by: jinhelin <[email protected]>
@JinheLin JinheLin deleted the fastscan_logical_split branch June 13, 2024 00:42
ti-chi-bot bot pushed a commit that referenced this pull request Jun 13, 2024
close #9118

Shrinking the read ranges of FastScan.

Co-authored-by: jinhelin <[email protected]>
JaySon-Huang pushed a commit to JaySon-Huang/tiflash that referenced this pull request Aug 2, 2024
close pingcap#9118

Shrinking the read ranges of FastScan.

Co-authored-by: jinhelin <[email protected]>
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approved lgtm needs-cherry-pick-release-7.1 Should cherry pick this PR to release-7.1 branch. needs-cherry-pick-release-7.5 Should cherry pick this PR to release-7.5 branch. needs-cherry-pick-release-8.1 Should cherry pick this PR to release-8.1 branch. release-note Denotes a PR that will be considered when it comes time to generate release notes. size/L Denotes a PR that changes 100-499 lines, ignoring generated files.
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Successfully merging this pull request may close these issues.

FastScan may return more data than expected
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