In this blog post, we will walk through PMM-Query Analytics for MongoDB. We will see how to analyze MongoDB query performance; review the initial parameters that we need to check; and find out how to compare MongoDB query performance with and without indexes with the help of EXPLAIN plan. The Percona Monitoring and Management QAN (PMM-QAN) dashboard [&]

The post MongoDB Explain  Using PMM-QAN for MongoDB Query Analytics appeared first on Percona Database Performance Blog.

https://www.percona.com/blog/2018/06/26/mongodb-explain-using-pmm-qan-for-mongodb-query-analytics/