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Oplog is a capped collection. We can tail capped collection and get new document as we write into it.
by arunoda 13y ago
Oplog is a capped collection. We can tail capped collection and get new document as we write into it.
- nickzoic 13y agoIt's a very useful feature, which can feed a cache layer, act as a kind of trigger mechanism or give you a (very limited) kind of transaction.