You should read below articles before reading this article. “How to improve database performance on MongoDB part 1“, “How to improve database performance on MongoDB part 2”   Ensure …

  This article is the second part of the article named “How to improve database performance on MongoDB part 1“ Ensure you have enough RAM. As other Database Managers, MongoDB performs best …

  This little guide is medium in scope, it is not exhaustive. It just gives you an idea to focus 1 Choose the right storage engine for your specific workload. …

  Fragmentation on MongoDB databases When we removing a large amount of data from the collection and no plan to replace it, we generate a fragmentation, to deal with it, …

  During a typical revision of mongod’s logs, we could find slow queries, by default, those queries that take more >100ms. You can change this time with –slowms <integer> parameter when you launch …

Replication lag Typically, in our replica sets, we monitoring the replication lag, that is a measure of who far a secondary is behind the primary:   Exist two types of …