MongoDB Oplog Magic

Mihnea Giurgea, uberVU

June 20 2012


MongoDB Oplogs are quite easy to manipulate, and are potentially very rewarding, especially when you need to perform live database migrations. This talk will give a short intro into replication and how oplogs work, then a deeper dive into what can be achieved by redirecting oplogs from one cluster to another. For example, you could force two distinct clusters to mirror each other, or just have one cluster copy another.

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