as each Raft peer becomes aware that successive log entries are committed, the peer should send an ApplyMsg to the service (or tester) on the same se

A configuration -- an assignment of shards to groups. Please don't change this.

What follows are RPC types and methods. Field names must start with capital letters, otherwise RPC will break. DoTaskArgs holds the arguments that are

KeyValue is a type used to hold the key/value pairs passed to the map and reduce functions.

kv model

Master holds all the state that the master needs to keep track of.

notify the RPC handler that a request from a client has been done

track whether workers executed in parallel.

Put or Append

Put or Append

A Go object implementing a single Raft peer.

RegisterArgs is the argument passed when a worker registers with the master.

example RequestVote RPC arguments structure. field names must start with capital letters!

example RequestVote RPC reply structure. field names must start with capital letters!

a server is a collection of services, all sharing the same rpc dispatcher. so that e.g. both a Raft and a k/v server can listen to the same rpc endpo

an object with methods that can be called via RPC. a single server may have more than one Service.

ShutdownReply is the response to a WorkerShutdown. It holds the number of tasks this worker has processed since it was started.

Worker holds the state for a server waiting for DoTask or Shutdown RPCs

jobPhase indicates whether a task is scheduled as a map or reduce task.