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lightning: always get latest PD leader when access PD after initialized #46726

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merged 3 commits into from
Sep 7, 2023

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lance6716
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@lance6716 lance6716 commented Sep 6, 2023

What problem does this PR solve?

Issue Number: close #46688 close #43436

Problem Summary:

What is changed and how it works?

PD nodes may change, so lightning should always try to use latest informtion rather than the addresses in task configuration.

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 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. do-not-merge/needs-tests-checked release-note-none Denotes a PR that doesn't merit a release note. do-not-merge/needs-triage-completed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Sep 6, 2023
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Hi @lance6716. Thanks for your PR.

PRs from untrusted users cannot be marked as trusted with /ok-to-test in this repo meaning untrusted PR authors can never trigger tests themselves. Collaborators can still trigger tests on the PR using /test all.

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codecov bot commented Sep 6, 2023

Codecov Report

Merging #46726 (287e2f2) into master (ca69622) will increase coverage by 1.6062%.
Report is 8 commits behind head on master.
The diff coverage is 82.7586%.

Additional details and impacted files
@@               Coverage Diff                @@
##             master     #46726        +/-   ##
================================================
+ Coverage   73.3566%   74.9629%   +1.6062%     
================================================
  Files          1318       1360        +42     
  Lines        395847     402343      +6496     
================================================
+ Hits         290380     301608     +11228     
+ Misses        86993      81233      -5760     
- Partials      18474      19502      +1028     
Flag Coverage Δ
integration 33.9694% <82.7586%> (?)
unit 73.3073% <48.2758%> (-0.0493%) ⬇️

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

Components Coverage Δ
dumpling 54.0444% <ø> (ø)
parser 84.9805% <ø> (+0.0115%) ⬆️
br 65.1013% <82.7586%> (+12.6459%) ⬆️

@lance6716 lance6716 changed the title [WIP]lightning: always get latest PD leader after enter ImportTable [WIP]lightning: always get latest PD leader after initialized Sep 7, 2023
Signed-off-by: lance6716 <[email protected]>
@lance6716 lance6716 changed the title [WIP]lightning: always get latest PD leader after initialized lightning: always get latest PD leader after initialized Sep 7, 2023
@ti-chi-bot ti-chi-bot bot removed do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. do-not-merge/needs-tests-checked labels Sep 7, 2023
func (p *PdController) getAllPDAddrs() []string {
ret := make([]string, 0, len(p.addrs)+1)
if p.pdClient != nil {
ret = append(ret, p.pdClient.GetLeaderAddr())
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PdController is shared by BR, @3pointer PTAL

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LGTM

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/check-issue-triage-complete

@ti-chi-bot ti-chi-bot bot added needs-cherry-pick-release-6.5 Should cherry pick this PR to release-6.5 branch. needs-cherry-pick-release-7.1 Should cherry pick this PR to release-7.1 branch. and removed do-not-merge/needs-triage-completed labels Sep 7, 2023
@lance6716 lance6716 changed the title lightning: always get latest PD leader after initialized lightning: always get latest PD leader when access PD after initialized Sep 7, 2023
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/test pull-br-integration-test

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@lance6716: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

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/test pull-br-integration-test

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D3Hunter commented Sep 7, 2023

/ok-to-test

@ti-chi-bot ti-chi-bot bot added the ok-to-test Indicates a PR is ready to be tested. label Sep 7, 2023
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D3Hunter commented Sep 7, 2023

/test pull-br-integration-test

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@D3Hunter: The specified target(s) for /test were not found.
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check_contains 'count(*): 4'
check_contains 'sum(c): 46'

restart_services
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what's this for?

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the old pd is killed, I'm afraid other tests will access the dead pd by address

@ti-chi-bot ti-chi-bot bot added the approved label Sep 7, 2023
@ti-chi-bot ti-chi-bot bot added the needs-1-more-lgtm Indicates a PR needs 1 more LGTM. label Sep 7, 2023
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LGTM

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ti-chi-bot bot commented Sep 7, 2023

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Benjamin2037, D3Hunter

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@ti-chi-bot ti-chi-bot bot added lgtm and removed needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Sep 7, 2023
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ti-chi-bot bot commented Sep 7, 2023

[LGTM Timeline notifier]

Timeline:

  • 2023-09-07 05:44:21.922544933 +0000 UTC m=+2597026.471560904: ☑️ agreed by D3Hunter.
  • 2023-09-07 08:02:07.930624208 +0000 UTC m=+2605292.479640195: ☑️ agreed by Benjamin2037.

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/retest

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/retest

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D3Hunter commented Sep 7, 2023

/hold
wait lightning test

@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 Sep 7, 2023
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/hold wait lightning test

lightning test passed before. You can see the commit hash is same
image
https://prow.tidb.net/?pull=46726

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/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 Sep 7, 2023
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/retest

@ti-chi-bot ti-chi-bot bot merged commit 41d1ec0 into pingcap:master Sep 7, 2023
25 of 29 checks passed
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In response to a cherrypick label: new pull request created to branch release-6.5: #46757.

ti-chi-bot pushed a commit to ti-chi-bot/tidb that referenced this pull request Sep 7, 2023
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In response to a cherrypick label: new pull request created to branch release-7.1: #46758.

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