A few new MongoDB performance blogs

Most of my recent blogging has been done on the dbKoda website where I've been writing mostly about MongoDB performance tuning.   If you are interested, here are links to a few of the more interesting posts:

• Coding efficient MongoDB joins
• Bulk Operations in MongoDB 
• Getting started with MongoDB explain
• Optimizing the order of aggregation pipelines
• Effective MongoDB indexing part 1
• Effective MongoDB indexing part 2