Replication, Compaction and Bulk Data Handling

Replication, Compaction and Bulk Data Handling

Apache CouchDB is a NoSQL document-oriented database management system that is designed to be scalable, fault-tolerant, and easy to use. Here’s a brief explanation of some important concepts in CouchDB:

Replication: CouchDB uses a replication protocol called “replication,” which allows users to synchronize data between two or more CouchDB instances. Replication can be one-way or two-way, and can be used for backup, disaster recovery, load balancing, or sharing data between multiple devices.

Compaction: CouchDB uses a process called “compaction” to remove deleted or outdated data from the database. Compaction is important to keep the database size small and to improve performance. When data is deleted or updated in CouchDB, it is not actually removed from the database, but marked as “deleted” and hidden from view. Compaction removes the deleted data and updates the database index to reflect the changes.

Bulk data handling: CouchDB supports bulk data handling, which allows users to insert, update, or delete multiple documents in a single request. Bulk data handling is useful for importing data into a new database, migrating data between databases, or updating large numbers of documents at once. CouchDB’s bulk data handling API is designed to be simple and efficient, and can handle millions of documents at a time.

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