Tag: mongodb
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The Incomplete Guide to Google Kubernetes Engine
Category: DevOps, Web Development
Kubernetes is the de facto standard of container orchestration. Google Kubernetes Engine (GKE) is a managed Kubernetes as a Service provided by Google Cloud Platform.
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MongoDB Change Stream: react to real-time data changes
Category: Database, JavaScript
MongoDB Change Stream is a high-level API that allows you to subscribe to real-time notifications whenever there is a change in your MongoDB collections, databases, or the entire cluster, in an event-driven fashion.
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MongoDB operations: Replica Set
A replica set is a group of servers that maintain the same data set, with one primary which takes client requests, and multiple secondaries that keep copies of the primary's data. If the primary crashes, secondaries can elect a new primary from amongst themselves.
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MongoDB cookbook: Indexes
Category: Database
The order of fields in an index matters, you must consider Index Cardinality and Selectivity. Instead, the order of fields in a find() query doesn't affect whether it can use an index or not.
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MongoDB cookbook: Queries and Aggregations
Category: Database, JavaScript, Python
Frequently accessed items are cached in memory, so that MongoDB can provide optimal response time.