Monitor

• Service management is mainly to monitor and display the health status and basic information of each service in the system

master monitoring

• Mainly related to master information.

• Mainly related to worker information.

Zookeeper monitoring

• Mainly the health of the DB

Statistics management

• Number of commands to be executed: statistics on the t_ds_command table
• The number of failed commands: statistics on the t_ds_error_command table
• Number of tasks to run: Count the data of task_queue in Zookeeper