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5 Things to Monitor in MongoDB

In his “what I’ve learned while using MongoDB for an year” post, Simon Maynard recommends 5 metrics to always monitor:

  1. index sizes
  2. current ops
  3. index misses
  4. replication lag
  5. I/O performance

The 1st and the 3rd are about making sure all your MongoDB working set (including indexes) fits in RAM.

Original title and link: 5 Things to Monitor in MongoDB (NoSQL database©myNoSQL)

via: http://snmaynard.com/2012/10/17/things-i-wish-i-knew-about-mongodb-a-year-ago/