GB/T 41818-2022Information technology—Big data—Technical requirements for analysis-oriented data storage and retrieval (English PDF)
信息技术 大数据 面向分析的数据存储与检索技术要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 14, 2022
Implementation date
May 1, 2023
Scope
GB/T 41818-2022 is the English-translated version of 信息技术 大数据 面向分析的数据存储与检索技术要求.
GB/T 41818-2022 sets the technical requirements for the columnar storage and retrieval of big data where several applications analyse the same data.
Its contents list covers the data table structure - the data table, subtables, row groups, column groups and the data sheet - then the indexing requirements, the data storage requirements covering storage layout implementation and data processing, and the data retrieval requirements, with a worked application example in an informative appendix.
It defines metadata, storage layout and retrieval, and uses the abbreviations EB and PB. Clause 1 applies it to the design, development and use of systems or subsystems for analysis-oriented data storage and retrieval.
It quotes GB/T 35295-2017. Issued on 14 October 2022, it has applied since 1 May 2023.
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Document preview — GB/T 41818-2022
National Standard of the People's Republic of China
- ICS
- 35.240
- Classification
- L 67
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Abbreviations
- 5 Overview
- 6 Data table structure
- 6.1 Data Sheet
- 6.2 Subtable
- 6.3 Row Group
- 6.4 Column group
- 6.5 Data sheet
- 7 Indexing Technical Requirements
- 8 Data Storage Technical Requirements
- 8.1 Basic requirements
- 8.2 Storage Layout Implementation
- 8.3 Data processing
- 9 Data Retrieval Technical Requirements
- Appendix A (Informative) Analysis-Oriented Data Storage and Retrieval Application Example
- Reference
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted.
1 Scope
This document specifies the technical requirements for big data columnar storage and retrieval that support multi-application fusion analysis.
This document applies to the design, development and use of systems or subsystems for analysis-oriented data storage and retrieval.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.
GB/T 35295-2017 Information Technology Big Data Terminology
3 Terms and Definitions
The terms and definitions defined in GB/T 35295-2017 and the following terms and definitions apply to this document.
3.1 Metadata
Data that defines and describes other data. [Source: GB/T 18391.1-2009, 3.2.16]
3.2 Storage layout
The storage planning and arrangement of data in a storage system.
Note: It usually includes the relative storage order of each data unit in the storage system and the offset of the storage location.
3.3 Retrieve retrieval
The process of finding out the data or data-related information required by the user from the data collection using a certain method or tool.
4 Abbreviations
The following abbreviations apply to this document. EB. ExaByte PB. PetaByte
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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