It is based on code already being used on the WordPress blogging website with multiple database servers.
Installation
WordPress MU only: add this line near the top of wp-config.php: define('WPMU', true);
Upload db.php to the /wp-content/ directory. At this point, HyperDB is active. It will use the database connection constants until you complete the final steps.
Upload db-settings.php in the directory that holds wp-config.php
Edit the db settings according to the directions in that file.
Add this line near the top of wp-config.php: require('db-settings.php');
Any value of WP_USE_MULTIPLE_DB will be ignored by HyperDB. If you wish to switch off multiple DB, remove the 'require' statement from step 5.
Key features "HyperDB":
· Read and write servers (replication)
· 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
Requirements:
· WordPress 2.3 up to 2.6
Top 4 Download periodically updates information of HyperDB script from the developer, but some information may be slightly out-of-date.
Our script download links are directly from our mirrors or publisher's website. HyperDB torrent files or shared files from free file sharing and free upload services, including Rapidshare, MegaUpload, YouSendIt, MailBigFile, DropSend, HellShare, HotFile, FileServe, MediaMax, zUpload, MyOtherDrive, SendSpace, DepositFiles, Letitbit, LeapFile, DivShare or MediaFire, are not allowed!
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