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

distribute-table: support to scatter the region distribution of the given table and engine #19534

Open
wants to merge 1 commit into
base: master
Choose a base branch
from

Conversation

bufferflies
Copy link
Contributor

@bufferflies bufferflies commented Jan 13, 2025

First-time contributors' checklist

What is changed, added or deleted? (Required)

Which TiDB version(s) do your changes apply to? (Required)

Tips for choosing the affected version(s):

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.

For details, see tips for choosing the affected versions (in Chinese).

  • master (the latest development version)
  • v9.0 (TiDB 9.0 versions)
  • v8.5 (TiDB 8.5 versions)
  • v8.4 (TiDB 8.4 versions)
  • v8.3 (TiDB 8.3 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)

What is the related PR or file link(s)?

  • This PR is translated from:
  • Other reference link(s):

Do your changes match any of the following descriptions?

  • Delete files
  • Change aliases
  • Need modification after applied to another branch
  • Might cause conflicts after applied to another branch

Copy link

ti-chi-bot bot commented Jan 13, 2025

[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 assign icemap for approval. For more information see the 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:

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

@ti-chi-bot ti-chi-bot bot added missing-translation-status This PR does not have translation status info. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Jan 13, 2025
@qiancai qiancai requested a review from niubell January 13, 2025 08:48
Copy link

ti-chi-bot bot commented Jan 13, 2025

@bufferflies: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name Commit Details Required Rerun command
pull-verify ca62ac6 link true /test pull-verify

Full PR test history. Your PR dashboard.

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-sigs/prow repository. I understand the commands that are listed here.

@qiancai qiancai self-assigned this Jan 13, 2025
@qiancai qiancai added v9.0 translation/doing This PR’s assignee is translating this PR. labels Jan 13, 2025
@ti-chi-bot ti-chi-bot bot removed the missing-translation-status This PR does not have translation status info. label Jan 13, 2025
@@ -0,0 +1,84 @@
---
title: distribute table 使用文档
aliases: ['/docs-cn/dev/sql-statements/sql-statement-distribute-table/','/docs-cn/dev/reference/sql/statements/distribute-table/']
Copy link
Collaborator

@qiancai qiancai Jan 26, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

新增文档不需要 aliases

Suggested change
aliases: ['/docs-cn/dev/sql-statements/sql-statement-distribute-table/','/docs-cn/dev/reference/sql/statements/distribute-table/']

summary: TiDB 中的 distribute table 功能可以解决表中 region 分布不均衡问题。通过重新调整 table 中的 region 的分布,可以让指定 table 下的 region 按照一定的策略进行均衡。重新分配可以指定不同的存储引擎,比如 TIFLASH 和 TIKV。同时也可以指定不同的 raft role,比如 learner,leader,voter。
---

# Distribute Table 使用文档
Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Suggested change
# Distribute Table 使用文档
# DISTRIBUTE TABLE

---

# Distribute Table 使用文档

Copy link
Collaborator

@qiancai qiancai Jan 26, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

这里需要加一段话,介绍 DISTRIBUTE TABLE 这个 SQL 语句的作用是什么,例如

Suggested change
`DISTRIBUTE TABLE` 用于对指定表的 TiKV 上的 Leader 进行重新调度,使其在 TiKV 节点之间分布更加均衡。

+---------+------------+----------------+----------+------------+-------------------+--------------------+-----------------+------------------+

### Distribute Table Region

Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

“### Distribute Table Region” 里面目前没有内容,请看看是需要删除还是添加

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
size/M Denotes a PR that changes 30-99 lines, ignoring generated files. translation/doing This PR’s assignee is translating this PR. v9.0
Projects
None yet
Development

Successfully merging this pull request may close these issues.

2 participants