Rubik User Guide


Low server resource utilization has always been a recognized challenge in the industry. With the development of cloud native technologies, hybrid deployment of online (high-priority) and offline (low-priority) services becomes an effective means to improve resource utilization.

In hybrid service deployment scenarios, Rubik can properly schedule resources based on Quality if Service (QoS) levels to greatly improve resource utilization while ensuring the quality of online services.

Rubik supports the following features:

This document is intended for community developers, open source enthusiasts, and partners who use the openEuler system and want to learn and use Rubik. Users must:

  • Know basic Linux operations.
  • Be familiar with basic operations of Kubernetes and Docker/iSulad.

Bug Catching

Buggy Content

Bug Description

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Bug Type
Specifications and Common Mistakes

● Misspellings or punctuation mistakes;

● Incorrect links, empty cells, or wrong formats;

● Chinese characters in English context;

● Minor inconsistencies between the UI and descriptions;

● Low writing fluency that does not affect understanding;

● Incorrect version numbers, including software package names and version numbers on the UI.


● Incorrect or missing key steps;

● Missing prerequisites or precautions;

● Ambiguous figures, tables, or texts;

● Unclear logic, such as missing classifications, items, and steps.


● Technical principles, function descriptions, or specifications inconsistent with those of the software;

● Incorrect schematic or architecture diagrams;

● Incorrect commands or command parameters;

● Incorrect code;

● Commands inconsistent with the functions;

● Wrong screenshots.

Risk Warnings

● Lack of risk warnings for operations that may damage the system or important data.

Content Compliance

● Contents that may violate applicable laws and regulations or geo-cultural context-sensitive words and expressions;

● Copyright infringement.

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