Capped collection replication

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MongoDB working set size on capped collection larger than capped. Mongodb master-slave: ? slave? - Admin.

11 Dec 2012 Recently we experienced a Replication-Lag of about 60 seconds A missing index on _id in a capped collection can cause this kind of lag.

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19 Jun 2013 The write violates a primary key constraint on the collection and must be Introduction to Replication. The oplog utilizes a capped collection. 8 Apr 2010 5 messages in com. googlegroups. mongodb-userRe: Replication problems: tailable cursor requested on non capped collection ·. permalink.

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MongoDB Operations Best Practices guide. 7 Advanced replication internals hernandez - SlideShare. 18 Sep 2014 A capped collection is a collection that has a fixed size. Replication: Replication is the process of duplicating data on multiple MongoDB.

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21 Feb 2011 This oplog is a capped collection which means it will never grow in size beyond a certain point - once it reaches it. s max size, old data drops off. The capped collection, the oldest documents are deleted to make room for the newest. loss will typically be much less if using replication for durability. 11 Jun 2013 Oplog is a capped collection that is used by MongoDB replication to log all the operations - update, delete and insert – on the database.