slides/mongodb/repl-features2.xml
Replica Set Wrap-up
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Eventual Consistency
High Availability Scenarios
  • • Reads from Primary are always consistent
  • • Reads from Secondaries are eventually consistent
  • • Automatic failover if a Primary fails
  • • Automatic recovery when a node joins the set
  • • Full control of where writes occur
  • • Full control of where reads occur