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How would you connect to 100 different databases in wp-config.php

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We have a setup where we have 100 sites using exactly the same code base, and all files are stored on Amazon S3. But right now we are running 100 different WordPress installations.

Now I was thinking just to change the settings in wp-config.php based on which is openend.

All our databases is on Amazon RDS and in general all hosting is on Amazon, so we have all their services at disposal for the setup up.

I have not made any test yet, but of cause the "database" container the information which database to load should be high speed, so what would you do ?

My though was either a json text document on the server or somekind of database.

Tags:php, wp config

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