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Submission + - Testing the MongoDB Global Write Lock (

rick446 writes: "I took some time to benchmark the global write lock improvements in MongoDB 2.0. From TFA: "MongoDB, as some of you may know, has a process-wide write lock. This has caused some degree of ridicule from database purists when they discover such a primitive locking model. Now per-database and per-collection locking is on the roadmap for MongoDB, but it's not here yet. What was announced in MongoDB version 2.0 was locking-with-yield. I was curious about the performance impact of the write lock and the improvement of lock-with-yield, so I decided to do a little benchmark, MongoDB 1.8 versus MongoDB 2.0.""

In practice, failures in system development, like unemployment in Russia, happens a lot despite official propaganda to the contrary. -- Paul Licker