Rehash and update statistics and SQL docs by lilin90 · Pull Request #17827 · pingcap/docs-cn

lilin90 · 2024-06-28T10:21:58Z

What is changed, added or deleted? (Required)

Rehash the basic statistics doc page to make it better organized
Update statistics related things to use EBNF etc.

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Delete files
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ti-chi-bot · 2024-06-28T10:22:00Z

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

… into improve-statistics

ti-chi-bot · 2024-07-18T09:45:01Z

[LGTM Timeline notifier]

Timeline:

2024-07-18 09:45:00.91247965 +0000 UTC m=+519922.903421117: ☑️ agreed by qiancai.

winoros · 2024-07-24T12:47:01Z

+如果分区为空，或者某些分区上的列缺失，那么统计信息收集行为将受 [`tidb_skip_missing_partition_stats`](/system-variables.md#tidb_skip_missing_partition_stats-从-v730-版本开始引入) 变量的控制：

-在执行 `ANALYZE` 普通列任务的时候，[`tidb_build_sampling_stats_concurrency`](/system-variables.md#tidb_build_sampling_stats_concurrency-从-v750-版本开始引入) 可以用于控制执行采样任务的并发数量，其默认值是 `2`。
+- 当触发 GlobalStats 更新且 [`tidb_skip_missing_partition_stats`](/system-variables.md#tidb_skip_missing_partition_stats-从-v730-版本开始引入) 为 `OFF` 时：


GlobalStats 需要翻译回 全局统计信息 吗

因为涉及多个文件里的多处，我最近另提一个 PR 来统一改。

ti-chi-bot · 2024-07-24T13:06:38Z

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lilin90 · 2024-07-24T13:10:55Z

/approve

ti-chi-bot · 2024-07-24T13:11:03Z

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lilin90

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ti-chi-bot · 2024-07-24T13:17:17Z

In response to a cherrypick label: new pull request created to branch release-8.1: #18100.

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

ti-chi-bot · 2024-07-24T13:17:57Z

In response to a cherrypick label: new pull request created to branch release-8.2: #18101.

Reorg and update statistics docs

8e301a2

lilin90 added translation/from-docs This PR is translated from a PR in pingcap/docs. needs-cherry-pick-release-8.1 Should cherry pick this PR to release-8.1 branch. labels Jun 28, 2024

lilin90 self-assigned this Jun 28, 2024

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. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Jun 28, 2024

lilin90 added the needs-cherry-pick-release-8.2 label Jul 2, 2024

lilin90 changed the title ~~Reorg and update statistics docs~~ Rehash and update statistics docs Jul 2, 2024

Add multiple sections

bb1cba4

ti-chi-bot Bot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Jul 8, 2024

lilin90 added the type/enhancement The issue or PR belongs to an enhancement. label Jul 8, 2024

lilin90 added 3 commits July 8, 2024 17:48

Add improving perf

6f32354

Add several more sections

f9e3315

Update a link

e96dbea

qiancai mentioned this pull request Jul 10, 2024

statistics.md: fix a typo for analyze pingcap/docs#18167

Merged

18 tasks

This was referenced Jul 10, 2024

statistics.md: fix a typo for analyze (#18167) pingcap/docs#18168

Merged

statistics.md: fix a typo for analyze (#18167) pingcap/docs#18169

Merged

lilin90 added 2 commits July 11, 2024 11:25

Add view statistics

6999c80

Update statistics.md

e083bdc

ti-chi-bot Bot added size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. and removed size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Jul 11, 2024

lilin90 added 2 commits July 11, 2024 16:55

toc, sql: add and update descriptions

66f8ee8

Add three statements

4cc97d2

lilin90 marked this pull request as ready for review July 11, 2024 09:42

ti-chi-bot Bot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Jul 11, 2024

lilin90 requested review from qiancai and winoros July 11, 2024 09:43

Update anchor links

091edf0

lilin90 added 3 commits July 18, 2024 16:53

Update wording

01b287e

Merge branch 'improve-statistics' of https://github.com/lilin90/docs-cn…

6375b02

… into improve-statistics

Update an anchor link

d286d71

qiancai approved these changes Jul 18, 2024

View reviewed changes

ti-chi-bot Bot added the needs-1-more-lgtm Indicates a PR needs 1 more LGTM. label Jul 18, 2024

ti-chi-bot pushed a commit to ti-chi-bot/docs that referenced this pull request Jul 19, 2024

some minor changes to align with pingcap/docs-cn#17827

eaad80b

ti-chi-bot mentioned this pull request Jul 19, 2024

stats, sql: fix format and update wording (#18192) pingcap/docs#18303

Merged

17 tasks

ti-chi-bot pushed a commit to ti-chi-bot/docs that referenced this pull request Jul 19, 2024

some minor changes to align with pingcap/docs-cn#17827

d8c145c

ti-chi-bot mentioned this pull request Jul 19, 2024

stats, sql: fix format and update wording (#18192) pingcap/docs#18304

Merged

17 tasks

Update a 404 link

32f25f9

winoros reviewed Jul 24, 2024

View reviewed changes

winoros approved these changes Jul 24, 2024

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lilin90 added the lgtm label Jul 24, 2024

ti-chi-bot Bot added the approved label Jul 24, 2024

ti-chi-bot Bot merged commit cbccda9 into pingcap:master Jul 24, 2024

lilin90 deleted the improve-statistics branch July 24, 2024 13:17

ti-chi-bot pushed a commit to ti-chi-bot/docs-cn that referenced this pull request Jul 24, 2024

This is an automated cherry-pick of pingcap#17827

4841dd9

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

ti-chi-bot mentioned this pull request Jul 24, 2024

Rehash and update statistics and SQL docs (#17827) #18100

Merged

17 tasks

ti-chi-bot pushed a commit to ti-chi-bot/docs-cn that referenced this pull request Jul 24, 2024

This is an automated cherry-pick of pingcap#17827

4b85dbf

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

ti-chi-bot mentioned this pull request Jul 24, 2024

Rehash and update statistics and SQL docs (#17827) #18101

Merged

17 tasks

ti-chi-bot Bot pushed a commit that referenced this pull request Jul 25, 2024

Rehash and update statistics and SQL docs (#17827) (#18100)

fb7c80c

ti-chi-bot Bot pushed a commit that referenced this pull request Jul 25, 2024

Rehash and update statistics and SQL docs (#17827) (#18101)

54fd90e

This was referenced Sep 3, 2024

*: make the expressions of GlobalStats consistent #18524

Merged

*: make the expressions of GlobalStats consistent pingcap/docs#18807

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Rehash and update statistics and SQL docs#17827

Rehash and update statistics and SQL docs#17827
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lilin90 commented Jun 28, 2024 •

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lilin90 commented Jun 28, 2024 •

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