MongoDB findOne is orders of magnitude slower than find if you just checking whether a document exists. Learn when you should use findOne or find queries.
14th March, 2013 Read more.
How Server Density uses MongoDB to process 2 billion documents per day, 30TB of data each month to power our time series server monitoring graphs.
14th March, 2014 Read more.
3rd August, 2010 Read more.
Performance benchmarks and hints/tips for using MongoDB on Google Compute Engine and Google Cloud Platform with persistent disks and MongoDB.
1st April, 2014 Read more.