[Yugong series] June 2022 Net architecture class 076- execution principle of distributed middleware schedulemaster

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One 、ScheduleMaster Implementation principle of

1. Global Architecture Design

Global task execution process ： client =>master=>work=> Call interface
1、master The node mainly does four things

• choice work node
• Appoint work Perform tasks
• Yes work Node health check
• Fail over tasks

2、work The node mainly does four things

• Take out the task configuration information
• Use Quartz Run tasks according to configuration
• Use reflection to invoke assemblies
• Use httpclient call http Interface

2. Database design

As shown in the figure ：

The table structure is designed as 3 Bulk composition

1. Task list