Is MongoDB A in memory db?

Question

MongoDB is not an in-memory database. Although it can be configured to run that way. But it makes liberal use of cache, meaning data records kept memory for fast retrieval, as opposed to on disk. 27 февр. 2019 г.

Can you run MongoDB in-memory?

You can deploy mongod instances that use in-memory storage engine as part of a sharded cluster. For example, in a sharded cluster, you could have one shard that has consists of the following replica set: two mongod instances run with in-memory storage engine. one mongod instance run with WiredTiger storage engine.

Which databases are in-memory?

In-memory databases are purpose-built databases that rely primarily on memory for data storage, in contrast to databases that store data on disk or SSDs. In-memory data stores are designed to enable minimal response times by eliminating the need to access disks.

What type of storage is MongoDB?

In-Memory Storage Engine is available in MongoDB Enterprise. Rather than storing documents on-disk, it retains them in-memory for more predictable data latencies.

Is MongoDB persistent storage?

MongoDB provides the data persistence as long as the write concern is used properly.

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