How does zookeeper implement distributed notification and coordination?

Alibaba cloud Q & A 2022-02-13 06:12:43 阅读数:839

zookeeper implement distributed notification coordination

Zookeeper How to realize distributed notification and coordination ?

Take the answer 1:

For system scheduling : The operator actually changes the status of a node through the console , then zk Send these changes to the watcher All clients of .

For the performance report : Each worker process creates a temporary node in a directory . And carry the progress data of the work , In this way, the summarized process can monitor the changes of the directory sub nodes to obtain the real-time global situation of the work progress .

copyright:author[Alibaba cloud Q & A],Please bring the original link to reprint, thank you.