Loss Can Occur Data Propagation Can Be © 2018 Percona. 16 Scalability Scaling Reads Scaling Writes Scaling Data Size © 2018 Percona. 17 Data Distribution •User Latency Reasons •Legal Decide on Failover Need some Tool to Perform Failover © 2018 Percona. 32 Traffic Management Scaling with Large Number of Connections Routing Traffic to Right “Shard” Read-Write Splitting Load