Therefore, we need to add at least one data-bearing member to our current deployment to satisfy that requirement. You would like to ensure availability of writes during server maintenance. When done, run homework. It was only an issue when running with multiple processes that need to communicate, such as in the topics covering Replica Sets and Sharding. Newer Post Older Post Home. You are concerned about two things, however. Big Data Hadoop Online Course.

Newer Post Older Post Home. Get rid of the traditional ways of marketing and buy a customized email list from us. Now, what query would you run to get all the products where brand equals the string “ACME”? You only have two data centers available. Posted by SiteAdmin at I installed the latest version of MongodDB version 3.

Not that hard really, we just need to remember that arbiters are only useful in elections. That is, have a voice field present in the limits subdocument.

mongodb m102 homework 3

Anuj Singh 4 January at They are running a single replica set with two members. Add an arbiter 2.

mongodb m102 homework 3

Which of the following are true about mongodb’s operation in these scenarios? This comes from how you start the Windows command line interface, cmd. When done, run homework.


MogoDB Certification

Here is the question as written in May What is the output? Then when you start gomework MongoDB processes they will function correctly. Our main focus is customer satisfaction. My first introduction j102 MongoDB was to sign up to university.

Thanks for sharing nice information. One way to assure people vote at most once per posting is to use this form of update: This will simply confirm all the above happened ok. Thanks for sharing such great information.

Check all that apply:. How many documents do you have? Newer Post Older Post Home. Choose the best answer:. Which arrangement s of servers will allow you to be stay up as in, still able to elect a primary in the event of a failure of either data center but not both at once? What is the output?

Posted by SiteAdmin at In this hojework, ‘s oplog was effectively a “fork” and to preserve write ordering a rollback was necessary during ‘s recovery phase.

Which of the following options will allow you to ensure that a primary is available during server maintenance, and that any writes it receives will replicate during this time? Choose the best answer:. Connect to the mongos with a mongo shell. When you are done, homeworrk It was nice to read this Blog. The parts I’ve emboldened are actually the only bits we need to consider.


When done, run homework. Not that hard really, we just need to remember that arbiters are only useful in elections.

MongodbChamps: M MongoDB for DBAs – Homework

One real-time data can change your entire business for good. When you ask why, they explain that this ensures that the data will be durable in the face of the failure of either server.

They also explain that should they use a readPreference of “primaryPreferred”, that the application can read from the one remaining server during server homdwork.