I’ve done something similar that is closest to point 1, but instead of using middleware to set a default connection Django database routers are used. This allow application logic to use a number of databases if required for each request. It’s up to the application logic to choose a suitable database for every query, and … Read more
You can choose between 3 different strategies that will impact connection polling. In any case you have to provide an implementation of MultiTenantConnectionProvider. The strategy you choose will of course impact your implementation. General remark about MultiTenantConnectionProvider.getAnyConnection() getAnyConnection() is required by hibernate to collect metadata and setup the SessionFactory. Usually in a multi-tenant architecture you … Read more
In your app/config/database.php you have to: <?php return array( ‘default’ => ‘mysql’, ‘connections’ => array( # Our primary database connection ‘mysql’ => array( ‘driver’ => ‘mysql’, ‘host’ => ‘host1’, ‘database’ => ‘database1’, ‘username’ => ‘user1’, ‘password’ => ‘pass1’ ‘charset’ => ‘utf8’, ‘collation’ => ‘utf8_unicode_ci’, ‘prefix’ => ”, ), # Our secondary database connection ‘mysql2’ => … Read more
There are several approaches to multi-tenant databases. For discussion, they’re usually broken into three categories. One database per tenant. Shared database, one schema per tenant. Shared database, shared schema. A tenant identifier (tenant key) associates every row with the right tenant. MSDN has a good article on the pros and cons of each design, and … Read more
TLDR: The relevant information can be found here: https://www.rabbitmq.com/access-control.html. However, since the rabbitmq documentation is very verbose, below I will describe what seems like the only solution to locking down access to resources. Summary Virtual hosts As Michael Dillon mentions, you should start by making everything happen inside vhosts (virtual hosts) and block the generic … Read more
Update Dec 5, 2011 Thanks to Brad Robertson and his team, there’s the Apartment gem. It’s very useful and does a lot of the heavy lifting. However, if you’ll be tinkering with schemas, I strongly suggest knowing how it actually works. Familiarize yourself with Jerod Santo’s walkthrough , so you’ll know what the Apartment gem … Read more
This answer is late however the other answers seem a bit…weak in terms of reliability and factual information so I will attempt to remedy that a little. But for some reason mongodb set limit 24000 for the number of namespaces in the database, That is merely the default setting. Yes, there is a default setting. … Read more
There are several ways to determine tenant on HTTP level: domain – tenant is determined by whole Host header sub-domain – sub-domain part of Host header, path based – path segment, usually by prefix host.com/tenantId/… cookie based – cookie value contains tenant id (good framework encrypts this!) user based – user session or some data … Read more