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SharDB, HyperDB and Multi-DB = Part 2

Part 1 is here.   HyperDB   HyperDB plugin is the implementation of replication property of WP Hyperdb. HyperDB plugin requires a master DB and a number of slaves are connected to master DB. Read and/or write permissions can be assigned to each databases. In this setup, the slaves have the same data, and act […]

Blog

SharDB, HyperDB and Multi-DB = Part 1

The Problem   As part of the WordPress Multi-Site Installation which involved more than 600,000 blogs, the biggest problem was that mySQL installation cannot support so many tables required for as many blogs. The filesystem was the real bottleneck here as there is a limit to the number of subdirectories that can be formed and […]