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HyperDB is an advanced database class that supports replication, failover, load balancing, and partitioning.

Author:Automattic (profile at wordpress.org)
WordPress version required:4.2
WordPress version tested:6.0.3
Plugin version:1.8
Added to WordPress repository:07-05-2016
Last updated:12-10-2022
Rating, %:82
Rated by:14
Plugin URI:https://wordpress.org/plugins/hyperdb/
Total downloads:167 590
Active installs:20+
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HyperDB is a very advanced database class that replaces a few of the WordPress built-in database functions. The main differences are:
* HyperDB can be connect to an arbitrary number of database servers,
* HyperDB inspects each query to determine the appropriate database.

It supports:

  • Read and write servers (replication)
  • Configurable priority for reading and writing
  • Local and remote datacenters
  • Private and public networks
  • Different tables on different databases/hosts
  • Smart post-write master reads
  • Failover for downed host
  • Advanced statistics for profiling
  • WordPress Multisite

It is based on the code currently used in production on WordPress.com with many MySQL servers spanning multiple datacenters.