communication between parallel worker

[TCK822]

I am facing a task, I need to create 3 child process and pass the job to the child from the parent in real-time, but I don't know how to send the data to the child from the parent after the worker starts, please give me some help, and I am sorry for my bad English.

I tried to follow the document and use the LocalCache and AtomicCache, but it is not working.

problem solved

[TCK822]

problem solved