Operate mongodb on the command line.db.testrests.find({})
If you want to know the time of this sentence, how do you check it?
1. Please use explain directly for find operation, for example:
db.tablename.find().explain( "executionStats" ) Focus on the following values of output: explain.executionstates.executiontimemillis
2. For Update/delete/insert operations, please set the profile and view the log, for example:
db.setProfilingLevel(2) db.getProfilingLevel() db.system.profile.find()