Message scheduler to send message later at given time
I have been asked a question in system design interview to build a system where a message needs to be be sent at the mentioned time inside the message should not be and mentioned to be exact on the seconds mentioned in the timestamp
Under the condition of high concurrency and safety, realize file fragmentation upload of network disk system
I am trying to implement a network disk system. I am confused by the function of sharding upload. The articles searched on the Internet are the implementation of the most basic sharding upload. I want to know how to design the sharding upload of a real network disk system?