statistics, planner, sessionctx: [DNM] disable realtime stats for test | tidb-test=pr/2140

[time-and-fate]

What problem does this PR solve?

Issue Number: ref #46080

Problem Summary:

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

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

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

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[hawkingrei]

/test tiprow_fast_test

[ti-chi-bot]

@hawkingrei: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test build
• /test canary-scan-security
• /test check-dev
• /test check-dev2
• /test mysql-test
• /test pingcap/tidb/canary_ghpr_unit_test
• /test pull-br-integration-test
• /test pull-e2e-test
• /test pull-integration-copr-test
• /test pull-integration-jdbc-test
• /test pull-integration-mysql-test
• /test unit-test

Use /test all to run the following jobs that were automatically triggered:

• pingcap/tidb/ghpr_build
• pingcap/tidb/ghpr_check
• pingcap/tidb/ghpr_check2
• pingcap/tidb/ghpr_mysql_test
• pingcap/tidb/ghpr_unit_test

In response to this:

/test tiprow_fast_test

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[ti-chi-bot]

PR needs rebase.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[ti-chi-bot]

[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 time-and-fate and additionally assign yudongusa for approval. For more information see the Kubernetes Code Review Process.

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

Needs approval from an approver in each of these files:

• OWNERS
• sessionctx/variable/OWNERS

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

[codecov]

Codecov Report

Merging #43989 (3e3034b) into master (5a30540) will decrease coverage by 2.1060%.
Report is 2 commits behind head on master.
The diff coverage is 92.6829%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #43989        +/-   ##
================================================
- Coverage   74.7681%   72.6621%   -2.1060%     
================================================
  Files          1293       1300         +7     
  Lines        398341     400306      +1965     
================================================
- Hits         297832     290871      -6961     
- Misses        81150      90928      +9778     
+ Partials      19359      18507       -852     

Flag	Coverage Δ
integration	25.6387% <74.7967%> (-20.6242%)	⬇️
unit	73.3362% <92.6829%> (-0.0181%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	54.0444% <ø> (ø)
parser	85.0656% <ø> (ø)
br	47.7600% <ø> (-16.7411%)	⬇️

[ti-chi-bot]

PR needs rebase.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[time-and-fate]

During development, we haven't decided whether to enable this by default. So I use this PR for verification and testing.
Now that we have decided to not enable this by default, and #43988 has been merged, this PR can be closed.