Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Storages: Splitting DMFileReaderPool to reduce lock contention (#9126) #9130

Merged

Conversation

ti-chi-bot
Copy link
Member

This is an automated cherry-pick of #9126

What problem does this PR solve?

Issue Number: close #9125

Problem Summary:

What is changed and how it works?


Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
    • Run simple queries (select max(k) from sbtest1) concurrently.
    • Time consumption unit: ms.
Concurrency   Master This PR  
1 27 25
2 28 29
4 46 46
8 72 77
16 124 97
32 232 160
64 450 327

  • 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

Improve the short queries performance under high concurrency by reducing the lock contention

@ti-chi-bot ti-chi-bot added 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. labels Jun 7, 2024
@ti-chi-bot ti-chi-bot added the type/cherry-pick-for-release-7.5 This PR is cherry-picked to release-7.5 from a source PR. label Jun 7, 2024
@ti-chi-bot ti-chi-bot bot added needs-1-more-lgtm Indicates a PR needs 1 more LGTM. approved labels Jun 7, 2024
@ti-chi-bot ti-chi-bot added the cherry-pick-approved Cherry pick PR approved by release team. label Jun 13, 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 13, 2024
Copy link
Contributor

ti-chi-bot bot commented Jun 13, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JaySon-Huang, JinheLin

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 [JaySon-Huang,JinheLin]

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

Copy link
Contributor

ti-chi-bot bot commented Jun 13, 2024

[LGTM Timeline notifier]

Timeline:

  • 2024-06-07 06:00:42.561375396 +0000 UTC m=+98796.614687313: ☑️ agreed by JaySon-Huang.
  • 2024-06-13 13:17:10.35795841 +0000 UTC m=+643384.411270331: ☑️ agreed by JinheLin.

@JinheLin
Copy link
Contributor

/run-integration-test

@ti-chi-bot ti-chi-bot bot merged commit 5ea6738 into pingcap:release-7.5 Jun 13, 2024
5 checks passed
JaySon-Huang pushed a commit to JaySon-Huang/tiflash that referenced this pull request Aug 2, 2024
…ap#9126) (pingcap#9130)

close pingcap#9125

Co-authored-by: jinhelin <linjinhe33@gmail.com>
Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
approved cherry-pick-approved Cherry pick PR approved by release team. lgtm 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. type/cherry-pick-for-release-7.5 This PR is cherry-picked to release-7.5 from a source PR.
Projects
None yet
Development

Successfully merging this pull request may close these issues.

3 participants