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tidb-cloud: add the "TiDB X" term to glossary (#22095)#22129

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tidb-cloud: add the "TiDB X" term to glossary (#22095)#22129
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This is an automated cherry-pick of #22095

What is changed, added or deleted? (Required)

Add a new term "TiDB X"

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@ti-chi-bot ti-chi-bot added area/tidb-cloud This PR relates to the area of TiDB Cloud. do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. lgtm needs-1-more-lgtm Indicates a PR needs 1 more LGTM. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. type/cherry-pick-for-master This PR is cherry-picked to master from a source PR. labels Dec 1, 2025
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@lilin90 This PR has conflicts, I have hold it.
Please resolve them or ask others to resolve them, then comment /unhold to remove the hold label.

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ti-chi-bot bot commented Dec 1, 2025

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[APPROVALNOTIFIER] This PR is NOT APPROVED

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Summary of Changes

Hello @ti-chi-bot, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request primarily focuses on updating and expanding the TiDB Cloud documentation to reflect recent product developments. It introduces the new "TiDB X" distributed SQL architecture to the glossary and integrates detailed information about the Starter and Essential cluster plans into relevant sections. Additionally, it standardizes the internal linking for "Request Units (RUs)" and provides a more comprehensive overview of TiDB Cloud Serverless features, ensuring the documentation is current and consistent.

Highlights

  • Introduction of "TiDB X": A new glossary term and concept for a distributed SQL architecture leveraging cloud-native object storage has been added, complete with its definition and links to related blog posts.
  • Documentation for New TiDB Cloud Plans: Detailed descriptions and features for Starter and Essential cluster plans have been integrated into the architecture and pricing documentation, outlining their capabilities, storage, and Request Units (RUs).
  • Standardization of Request Unit (RU) References: All internal links to "Request Units (RUs)" across various documentation files have been updated to use a consistent anchor (#request-unit-ru), improving navigation and consistency.
  • Enhanced Serverless Features Description: The FAQ section for TiDB Cloud Serverless now includes a more comprehensive list of its features, such as storage types, auto-scaling, and AI capabilities, along with updated pricing model references.
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Code Review

This pull request adds the new term "TiDB X" to the glossary and updates several related documents. While the intent is clear, multiple files contain unresolved merge conflict markers (<<<<<<<, =======, >>>>>>>). These must be resolved before merging, as they break the document rendering. I've left critical comments on each file where these markers appear. Additionally, I found a potential typo in the year mentioned in a link within the glossary.

Comment on lines +24 to +54
<<<<<<< HEAD
![TiDB Cloud Serverless regional high availability](/media/tidb-cloud/serverless-regional-high-avaliability-aws.png)
=======
</CustomContent>

## {{{ .starter }}}

{{{ .starter }}} is a fully managed, multi-tenant TiDB offering. It delivers an instant, autoscaling MySQL-compatible database.

The Starter cluster plan is ideal for those who are getting started with TiDB Cloud. It provides developers and small teams with the following features:

- **No cost**: This plan is completely free, with no credit card required to get started.
- **Storage**: Provides an initial 5 GiB of row-based storage and 5 GiB of columnar storage.
- **Request Units**: Includes 50 million [Request Units (RUs)](/tidb-cloud/tidb-cloud-glossary.md#request-unit-ru) for database operations.

## {{{ .essential }}}

For applications experiencing growing workloads and needing scalability in real time, the Essential cluster plan provides the flexibility and performance to keep pace with your business growth with the following features:

- **Enhanced capabilities**: includes all capabilities of the Starter plan, along with the capacity to handle larger and more complex workloads, as well as advanced security features.
- **Automatic scaling**: automatically adjusts storage and computing resources to efficiently meet changing workload demands.
- **High availability**: built-in fault tolerance and redundancy ensure your applications remain available and resilient, even during infrastructure failures.
- **Predictable pricing**: billed based on storage and Request Capacity Units (RCUs) of the compute resources, offering transparent, usage-based pricing that scales with your needs, so you only pay for what you use without surprises.

{{{ .essential }}} offers two types of high availability to address varying operational requirements.

- By default, clusters utilizing the Zonal High Availability option have all components located within the same availability zone, which results in lower network latency.
- For applications that require maximum infrastructure isolation and redundancy, the Regional High Availability option distributes nodes across multiple availability zones.

For more information, see [High Availability in {{{ .starter }}} and Essential](/tidb-cloud/serverless-high-availability.md).
>>>>>>> 604ed60c95 (tidb-cloud: add the "TiDB X" term to glossary (#22095))
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critical

This section contains unresolved merge conflict markers (<<<<<<< HEAD, =======, >>>>>>>). These markers must be removed to ensure the document renders correctly. Please resolve the conflict and keep only the intended content for this file.

Comment on lines +330 to +337
<<<<<<< HEAD
The serverless driver itself is free, but accessing data with the driver generates [Request Units (RUs)](/tidb-cloud/tidb-cloud-glossary.md#request-unit) and storage usage. The pricing follows the [TiDB Cloud Serverless pricing](https://www.pingcap.com/tidb-serverless-pricing-details/) model.
=======
The serverless driver itself is free, but accessing data with the driver generates [Request Units (RUs)](/tidb-cloud/tidb-cloud-glossary.md#request-unit-ru) and storage usage.

- For {{{ .starter }}} clusters, the pricing follows the [{{{ .starter }}} pricing](https://www.pingcap.com/tidb-cloud-starter-pricing-details/) model.
- For {{{ .essential }}} clusters, the pricing follows the [{{{ .essential }}} pricing](https://www.pingcap.com/tidb-cloud-essential-pricing-details/) model.
>>>>>>> 604ed60c95 (tidb-cloud: add the "TiDB X" term to glossary (#22095))
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critical

Unresolved merge conflict markers are present in the Pricing section. Please remove the markers (<<<<<<< HEAD, =======, >>>>>>>) and the duplicated content to fix the document.

Comment on lines +29 to +36
<<<<<<< HEAD
Some of TiDB Cloud features are partially supported or not supported on TiDB Cloud Serverless. For more information, see [TiDB Cloud Serverless Limitations and Quotas](/tidb-cloud/serverless-limitations.md).
=======
- A fully managed database with both row-based and columnar storage, ideal for hybrid OLTP and OLAP workloads.
- Automatic and request-driven scaling, no capacity planning or manual tuning required.
- Built-in vector search and full-text search to power GenAI retrieval, chatbots, and other AI applications.
- Always-free monthly quota for up to five clusters per organization (5 GiB row data + 5 GiB columnar data + 50 million [RUs](/tidb-cloud/tidb-cloud-glossary.md#request-unit-ru) per cluster).
>>>>>>> 604ed60c95 (tidb-cloud: add the "TiDB X" term to glossary (#22095))
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critical

This section contains unresolved merge conflict markers. Please resolve the conflict by removing the markers and ensuring the correct answer to the question is present.

Comment on lines +79 to +83
<<<<<<< HEAD
TiDB Cloud Serverless adopts a pay-as-you-go model, meaning that you only pay for the storage space and cluster usage. In this model, all cluster activities such as SQL queries, bulk operations, and background jobs are quantified in [Request Units (RUs)](/tidb-cloud/tidb-cloud-glossary.md#request-unit). RU is an abstract measurement for the size and intricacy of requests initiated on your cluster. For more information, see [TiDB Cloud Serverless Pricing Details](https://www.pingcap.com/tidb-cloud-serverless-pricing-details/).
=======
{{{ .starter }}} adopts a pay-as-you-go model, meaning that you only pay for the storage space and cluster usage. In this model, all cluster activities such as SQL queries, bulk operations, and background jobs are quantified in [Request Units (RUs)](/tidb-cloud/tidb-cloud-glossary.md#request-unit-ru). RU is an abstract measurement for the size and intricacy of requests initiated on your cluster. For more information, see [{{{ .starter }}} Pricing Details](https://www.pingcap.com/tidb-cloud-starter-pricing-details/).
>>>>>>> 604ed60c95 (tidb-cloud: add the "TiDB X" term to glossary (#22095))
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critical

This section contains unresolved merge conflict markers. Please resolve the conflict to ensure the content is displayed correctly.


A new distributed SQL architecture that makes cloud-native object storage the backbone of TiDB. By decoupling compute and storage, TiDB X enables TiDB to scale intelligently, adapting in real time to workload patterns, business cycles, and data characteristics.

The TiDB X architecture is now available in <CustomContent plan="starter,essential">{{{ .starter }}} and Essential</CustomContent><CustomContent plan="premium">{{{ .starter }}}, Essential, and Premium</CustomContent>. For more information, see [Introducing TiDB X: A New Foundation for Distributed SQL in the Era of AI](https://www.pingcap.com/blog/introducing-tidb-x-a-new-foundation-distributed-sql-ai-era/) and [PingCAP Launches TiDB X and New AI Capabilities at SCaiLE Summit 2025](https://www.pingcap.com/press-release/pingcap-launches-tidb-x-new-ai-capabilities/).
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medium

The link text mentions "SCaiLE Summit 2025", which appears to be a future date. Given the context of the announcement, this might be a typo. Please verify if the year should be 2024 or if it should be removed to avoid confusion.

Suggested change
The TiDB X architecture is now available in <CustomContent plan="starter,essential">{{{ .starter }}} and Essential</CustomContent><CustomContent plan="premium">{{{ .starter }}}, Essential, and Premium</CustomContent>. For more information, see [Introducing TiDB X: A New Foundation for Distributed SQL in the Era of AI](https://www.pingcap.com/blog/introducing-tidb-x-a-new-foundation-distributed-sql-ai-era/) and [PingCAP Launches TiDB X and New AI Capabilities at SCaiLE Summit 2025](https://www.pingcap.com/press-release/pingcap-launches-tidb-x-new-ai-capabilities/).
The TiDB X architecture is now available in <CustomContent plan="starter,essential">{{{ .starter }}} and Essential</CustomContent><CustomContent plan="premium">{{{ .starter }}}, Essential, and Premium</CustomContent>. For more information, see [Introducing TiDB X: A New Foundation for Distributed SQL in the Era of AI](https://www.pingcap.com/blog/introducing-tidb-x-a-new-foundation-distributed-sql-ai-era/) and [PingCAP Launches TiDB X and New AI Capabilities at SCaiLE Summit](https://www.pingcap.com/press-release/pingcap-launches-tidb-x-new-ai-capabilities/).

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lilin90 commented Dec 1, 2025

Since this PR only made changes to the /tidb-cloud directory, it's not necessary to cherry pick it to master.

@lilin90 lilin90 closed this Dec 1, 2025
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