> For example, at some point in time we had to remove about a million documents from MongoDB and then re-insert them later on. The result of this process was that the database went in a near total lockdown for several hours, resulting in degraded performance.
http://developer.olery.com/blog/goodbye-mongodb-hello-postgresql/ by #VMF1KB
Глобал райт лок — это весело, очень весело.
