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planner: introduce a new variable tidb_session_plan_cache_size #43140

Merged
merged 4 commits into from
Apr 18, 2023
Merged

planner: introduce a new variable tidb_session_plan_cache_size #43140

merged 4 commits into from
Apr 18, 2023

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qw4990
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@qw4990 qw4990 commented Apr 18, 2023 •
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What problem does this PR solve?

Issue Number: ref #36598

Problem Summary: planner: introduce a new variable tidb_session_plan_cache_size

What is changed and how it works?

planner: introduce a new variable tidb_session_plan_cache_size

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

Please refer to Release Notes Language Style Guide to write a quality release note.

None

@qw4990 qw4990 requested a review from a team as a code owner April 18, 2023 07:35
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ti-chi-bot commented Apr 18, 2023 •
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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • XuHuaiyu
  • time-and-fate

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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@ti-chi-bot ti-chi-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 Apr 18, 2023
@qw4990 qw4990 added sig/planner SIG: Planner epic/plan-cache and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Apr 18, 2023
@ti-chi-bot ti-chi-bot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label Apr 18, 2023
@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Apr 18, 2023
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qw4990 commented Apr 18, 2023

/test unit-test

@ti-chi-bot ti-chi-bot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Apr 18, 2023
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qw4990 commented Apr 18, 2023

/merge

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This pull request has been accepted and is ready to merge.

Commit hash: b496892

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Apr 18, 2023
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qw4990 commented Apr 18, 2023

/test unit-test

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qw4990 commented Apr 18, 2023

/merge

@ti-chi-bot ti-chi-bot merged commit 6d6c607 into pingcap:master Apr 18, 2023
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@XuHuaiyu XuHuaiyu XuHuaiyu approved these changes

@time-and-fate time-and-fate time-and-fate approved these changes

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epic/plan-cache release-note-none Denotes a PR that doesn't merit a release note. sig/planner SIG: Planner size/L Denotes a PR that changes 100-499 lines, ignoring generated files. status/can-merge Indicates a PR has been approved by a committer. status/LGT2 Indicates that a PR has LGTM 2.
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