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docs: fix outdated Region size in TiDB Cloud glossary - #24205
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| Layer / File(s) | Summary |
|---|---|
Update Region size definition tidb-cloud/tidb-cloud-glossary.md |
The definition replaces the configurable 96 MB size-limit description with version-specific estimated sizes for newly split Regions. |
Priority:
Estimated code review effort: 1 (Trivial) | ~2 minutes
Change: Other
Possibly related PRs
- pingcap/docs#24204: Updates the same TiDB Region size statement in
multi-data-centers-in-one-city-deployment.md.
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No merge-blocking issue remains in this documentation-only change.
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tidb-cloudArchitecture concerns
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Systems and components
- observed — tidb-cloud (service) was modified; 1 changed file maps to changed impact.
Before / after behavior
- observed — Modified behavior in tidb-cloud/tidb-cloud-glossary.md: The TiDB Region definition changes its default size limit from 96 MB to 256 MiB; configurability remains stated.
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Check name Status Explanation Title check The title clearly and concisely describes the main change: correcting the outdated Region size in the TiDB Cloud glossary. Description check The description includes the required change summary, affected TiDB version, reference links, AI involvement, and change-type checklist. The optional first-time contributor section is not required. Docstring Coverage No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Documentation-only edits and deletions within survi… Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Full details: Docstring Coverage
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| - TiDB Region | ||
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| The basic unit of data in TiDB. TiKV divides the Key-Value space into a series of consecutive Key segments, and each segment is called a Region. The default size limit for each Region is 96 MB and can be configured. | ||
| The basic unit of data in TiDB. TiKV divides the Key-Value space into a series of consecutive Key segments, and each segment is called a Region. The default estimated size for a newly split Region is 256 MiB for TiDB v8.4.0 and later, and [96 MiB](https://docs.pingcap.com/tidb/stable/tikv-configuration-file/#region-split-size) for TiDB versions earlier than v8.4.0. |
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| The basic unit of data in TiDB. TiKV divides the Key-Value space into a series of consecutive Key segments, and each segment is called a Region. The default estimated size for a newly split Region is 256 MiB for TiDB v8.4.0 and later, and [96 MiB](https://docs.pingcap.com/tidb/stable/tikv-configuration-file/#region-split-size) for TiDB versions earlier than v8.4.0. | |
| The basic unit of data in TiDB. TiKV divides the Key-Value space into a series of consecutive Key segments, and each segment is called a Region. By default, the [estimated size for a newly split Region](https://docs.pingcap.com/tidb/stable/tikv-configuration-file/#region-split-size) is 256 MiB for TiDB v8.4.0 and later versions, and 96 MiB for TiDB versions earlier than v8.4.0. |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: lilin90 The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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What is changed, added or deleted? (Required)
tidb-cloud/tidb-cloud-glossary.mdto use the current default Region size (256 MiB) instead of the outdated96 MB.Which TiDB version(s) do your changes apply to? (Required)
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