When this is done, the replica set primary steps down, and the set cannot accept writes. Add two data bearing members plus one arbiter. 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. This will simply confirm all the above happened ok. Newer Post Older Post Home.

Add another data bearing node. Connect to the mongos with a mongo shell. Really nice blog post. Reconfigure the replica set so that the third member can never be primary. MongoDB preserves the order of writes in a collection in its consistency model. It contains 3 documents.

Now, what query would you run to get all the products where brand equals the string “ACME”?

Check all that apply. Parana Impact provides jongodb the Email List that you are exactly looking for. My first introduction to MongoDB was to sign up to university. Really nice blog post.

However, I didn’t have any problems related to the version. First, a server is brought down for maintenance once a month. Add two arbiters Options 1, 3, and 5 do not add a data-bearing member, therefore we can ignore them as they do not satisfy the second requirement: This will simply confirm all the above happened ok.


mongodb m102 homework 3

Choose the best answer:. Here is the question as written in May That is, have a voice field present in the limits subdocument. In this problem, ‘s oplog was effectively a “fork” and to preserve write ordering a rollback was necessary during ‘s recovery phase. MongoDB Training in Irving.

mongodb m102 homework 3

One real-time data can change your entire business for good. So, let’s look at the options they give us: Add another data bearing node. Add another data bearing node. Check all that apply. Posted by SiteAdmin at MongoDB Training in Irving. This is really the “trick” to the question. You would like to ensure availability of writes during server maintenance.

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Get rid of the traditional ways of marketing and buy a customized email list from us. TIB Academy 17 December at Then when you start your MongoDB processes they will function correctly. This method will simply verify that this simple cluster is homwork and running and return a result key.


Most MongoDB queries involve javascript execution on the database server s.

mongodb m102 homework 3

MongoDB preserves the order of writes in a collection in its consistency model. Not that hard really, we just need to remember that arbiters are only useful in elections. Check all that apply.

Which of these statements is true? MongoDB preserves the order of writes in a collection in its consistency model. 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?

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You only have two data centers available. It’s maybe a bit of a trick question as the important thing is to relate the requirements to the particular set of options mongidb offer in the answers. Check all that apply.