Data Replication Data ReplicationReplicationReplication refers to keeping multiple copies of the data at various nodes (preferably geographically distributed) to achieve availability, scalability, and performance. Replication is generally straightforward when the…
Back-of-the-envelope Calculations Back-of-the-envelope calculationsBack-of-the-envelope calculationsTypes of data center serversWeb serversApplication serversStorage serversStandard number to rememberRequests estimationCalculationsNumber of server requiredStorage requirementsBandwidth requirementsBack-of-the-envelope calculations help us ignore the nitty-gritty details of the…
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