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Mongo replicaset init sync issue

When we have large size mongo replica set, we may have to take out each nodes for maintenance for few hrs or days. In that case we have to increase size of Oplog to keep several days of transactions to resync nodes after maintanance. If the RS h...

Guest over 4 years ago in Replication & Sharding 0 Submitted

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Provide straightforward syntax for 1-to-1 joins in aggregation

The syntax for joins that bring back multiple documents from foreign collections is very straightforward and yields exactly what one would expect, but simple joins that are bread and butter in SQL require very convoluted and expensive to run synta...

Guest over 4 years ago in Querying & Aggregations 4 Submitted

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