Designing for Hot Keys: When Distributed Systems Stop Distributing

Distributed systems usually spread data by hashing keys across nodes so no one node carries all the load. A hot key breaks that assumption. It is a key whose access volume greatly exceeds the volume of other keys during a given period. A global view counter or a popular item identifier can receive millions of reads or writes each second. Every... Weiterlesen: Designing for Hot Keys: When Distributed Systems Stop Distributing