Check profileing status:
db.getProfilingStatus()
db.getProfilingLevel()More information: https://docs.mongodb.com/manual/tutorial/manage-the-database-profiler/
Find slow queries: https://gist.github.com/rantav/3433277
Last active
August 25, 2017 16:30
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Mongo Performance check and tune
Mongo 2.6 build index in background of primary, then all secondaries.
Try to split read and write. It is better for debugging and finding slow queries.
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Notice that each db has separated profiler, so remember to set for all databases.