3 ms·
MongoDB doesn't have a global write lock. It has a per collection lock and is moving towards per row locking.
by taligent 14y ago
MongoDB doesn't have a global write lock.
It has a per collection lock and is moving towards per row locking.
- nodesocket 14y agoI don't think that is correct. Version 2.2 (beta) has database level locking, but that was the hard part. Collection, and document locking are coming after according to this talk by the CEO Dwight Merriman. (http://www.10gen.com/presentations/concurrency-internals-mongodb-2-2 http://www.10gen.com/presentations/concurrency-internals-mon...)