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Questions

  • what is opslog in mongodb, location of opslog in mongodb
  • what is mongodump and if we take backup through mongodump so it will take backup of all the databases or particular databases
  • how do you create replicaset performance matrix in mongodb
  • how to check replicaset is sync or not
  • user roles how do you set roles our database is not connected with outside network security authorisation configuration file
  • difference between sharding and replicaset
  • how to configure replica set
  • capped collections
  • How do you optimize a MongoDB query performance?
  • How would you handle a situation where a replica set member is consistently lagging behind the others?
  • How do you enable authentication in MongoDB?
  • How can you create an index in MongoDB, If we have 100 of mongodb servers?
  • How to do monitoring of all the databases the default interval to write updates to the disk?
  • RAM usage in mongodb db.stat() Monitoring tools and features
  • Mongodb TTL index
  • Mongodb Change streams
  • Mongodb read and write concern
  • Mongodb profiler - Database Profiler - MongoDB Manual
  • Mongodb Pipeline