AWS offers managed service Amazon MemoryDB which is redis compatible. The entire keyspace in Redis cluster is divided into hash slots and these slots are assigned to multiple nodes. In redis, getting a single value is straightforward...
Design an algorithm to serialize and deserialize a binary tree. There is no restriction on how your serialization/deserialization algorithm should work. You just need to ensure that a binary tree can be serialized to a string and this string can be deserialized to the original tree structure...