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*: convert remaining sequence diagrams from PNG to Mermaid#21649

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Oreoxmt:mermaidify-sequence-diagrams-22708
May 22, 2026
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*: convert remaining sequence diagrams from PNG to Mermaid#21649
ti-chi-bot[bot] merged 2 commits into
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Oreoxmt:mermaidify-sequence-diagrams-22708

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@Oreoxmt Oreoxmt commented May 19, 2026

What is changed, added or deleted? (Required)

The remaining images which are obviously sequence diagrams are converted to mermaid. Totally 8 images are found from 4 pages.

  • br/br-log-architecture.md ("BR log backup process design" & "Point-in-time recovery process design")
  • br/br-snapshot-architecture.md ("snapshot backup process design" & "snapshot restore process design")
  • dm/feature-shard-merge-pessimistic.md ("shard-ddl-flow")
  • pessimistic-transaction.md ("TiDB pessimistic transaction commit process" & "Pessimistic transactions in TiDB" & "Pipelined pessimistic lock")

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By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.

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  • master (the latest development version)
  • v9.0 (TiDB 9.0 versions)
  • v8.5 (TiDB 8.5 versions)
  • v8.1 (TiDB 8.1 versions)
  • v7.5 (TiDB 7.5 versions)
  • v7.1 (TiDB 7.1 versions)
  • v6.5 (TiDB 6.5 versions)
  • v6.1 (TiDB 6.1 versions)
  • v5.4 (TiDB 5.4 versions)

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  • Delete files
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@Oreoxmt Oreoxmt added area/br Indicates that the Issue or PR belongs to the area of BR (Backup & Restore). area/dm area/transaction Indicates that the Issue or PR belongs to the area of transaction. needs-cherry-pick-release-8.5 Should cherry pick this PR to release-8.5 branch. translation/from-docs This PR is translated from a PR in pingcap/docs. labels May 19, 2026
@Oreoxmt Oreoxmt self-assigned this May 19, 2026
@ti-chi-bot ti-chi-bot Bot added the size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. label May 19, 2026
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Source PR: pingcap/docs#22708
Target PR: #21649

Chinese documentation has been updated based on English documentation changes.

github-actions Bot added a commit to Oreoxmt/docs-cn that referenced this pull request May 19, 2026
Synced from: pingcap/docs#22708
Target PR: pingcap#21649
AI Provider: azure

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
@ti-chi-bot ti-chi-bot Bot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels May 19, 2026
@Oreoxmt Oreoxmt force-pushed the mermaidify-sequence-diagrams-22708 branch from 470d8f0 to 45f98fc Compare May 22, 2026 02:20
@ti-chi-bot ti-chi-bot Bot added size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels May 22, 2026
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Auto-sync completed successfully

Source PR: pingcap/docs#22708
Target PR: #21649

Chinese documentation has been updated based on English documentation changes.

github-actions Bot added a commit to Oreoxmt/docs-cn that referenced this pull request May 22, 2026
Synced from: pingcap/docs#22708
Target PR: pingcap#21649
AI Provider: azure

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
@ti-chi-bot ti-chi-bot Bot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels May 22, 2026
@Oreoxmt Oreoxmt force-pushed the mermaidify-sequence-diagrams-22708 branch from bc6dcae to d2a20d7 Compare May 22, 2026 03:03
@ti-chi-bot ti-chi-bot Bot added the needs-1-more-lgtm Indicates a PR needs 1 more LGTM. label May 22, 2026
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ti-chi-bot Bot commented May 22, 2026

[LGTM Timeline notifier]

Timeline:

  • 2026-05-22 03:06:36.14825052 +0000 UTC m=+92726.789107323: ☑️ agreed by qiancai.

@Oreoxmt Oreoxmt added the lgtm label May 22, 2026
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Oreoxmt commented May 22, 2026

/approve

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ti-chi-bot Bot commented May 22, 2026

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Oreoxmt

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@ti-chi-bot ti-chi-bot Bot added the approved label May 22, 2026
@ti-chi-bot ti-chi-bot Bot merged commit 1361df0 into pingcap:master May 22, 2026
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In response to a cherrypick label: new pull request created to branch release-8.5: #21658.

@Oreoxmt Oreoxmt deleted the mermaidify-sequence-diagrams-22708 branch May 22, 2026 03:15
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approved area/br Indicates that the Issue or PR belongs to the area of BR (Backup & Restore). area/dm area/transaction Indicates that the Issue or PR belongs to the area of transaction. lgtm needs-1-more-lgtm Indicates a PR needs 1 more LGTM. needs-cherry-pick-release-8.5 Should cherry pick this PR to release-8.5 branch. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. translation/from-docs This PR is translated from a PR in pingcap/docs.

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