Keeping Data Resilient on a Single ServerCompeting UpdatesDealing with the Leader FailingMultiple Failures Need a Generation ClockLog Entries Cannot Be Committed until They Are Accepted by a Majority QuorumFollowers Commit Based on a High-Water MarkLeaders Use a Series of Queues to Remain Responsive to Many ClientsFollowers Can Handle Read Requests to Reduce Load on the LeaderA Large Amount of Data Can Be Partitioned over Multiple NodesPartitions Can Be Replicated for ResilienceA Minimum of Two Phases Are Needed to Maintain Consistency across PartitionsIn Distributed Systems, Ordering Cannot Depend on System TimestampsA Consistent Core Can Manage the Membership of a Data ClusterGossip Dissemination for Decentralized Cluster Management