10gen 软件工程师Tyler Brock 复制与副本集 IT168文库.pdfVIP

10gen 软件工程师Tyler Brock 复制与副本集 IT168文库.pdf

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10gen 软件工程师Tyler Brock 复制与副本集 IT168文库

Replication and Replica Sets Tyler Brock Software Engineer, 10gen Wednesday, March 27, 13 Agenda • Replica Sets Lifecycle • Developing with Replica Sets • Operational Considerations • Behind the Curtain Wednesday, March 27, 13 Why Replication? • How many have faced node failures? • How many have been woken up from sleep to do a fail-over(s)? • How many have experienced issues due to network latency? • Different uses for data – Normal processing – Simple analytics Wednesday, March 27, 13 ReplicaSet Lifecycle Wednesday, March 27, 13 Replica Set – Creation Wednesday, March 27, 13 Replica Set – Initialize Wednesday, March 27, 13 Replica Set – Failure Wednesday, March 27, 13 Replica Set – Failover Wednesday, March 27, 13 Replica Set – Recovery Wednesday, March 27, 13 Replica Set – Recovered Wednesday, March 27, 13 ReplicaSet Roles Configuration Wednesday, March 27, 13 Heartbeat Heartbeat Replica Set Roles Wednesday, March 27, 13 Configuration Options conf = { _id : mySet, members : [ {_id : 0, host : A”, priority : 3}, {_id : 1, host : B, priority : 2}, {_id : 2, host : C”}, {_id : 3, host : D, hidden : true}, {_id : 4, host : E, hidden : true, slaveDelay : 3600} ] } rs.initiate(conf) Wednesday, March 27, 13 Configuration Options conf = { _id : mySet”, members : [ Primary DC {_id : 0, host : A”, priority : 3}, {_id : 1, host : B, priority : 2}, {_id : 2, host : C”}, {_id : 3, host : D, hidden : tr

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