Moving from MongoDB 2.6 Cluster to MongoDB 3.2 Replica Set

Last year MongoDB released v3.2 of their database, with the same storage engine that has been released in v3.0 WiredTiger. As known, WiredTiger performs document-level locking during writes touting to offer a huge improvement over locks on the entire database or collection in the previous 2.6 version.

We did many researches on storage engine selection, especially in the comparison between Percona Mongo32-Server that supports multiple storage engines such as InMemory,RocksDB,PerconaFS and the official Mongo3.2 that supports InMemory and WiredTiger.

Here is

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@ OpenSooq 2019