M102 HOMEWORK 5.1

You would like to create a replica set that is robust to data center failure. Mongodb m homework answer – mba Apr 7, M mongodb for dbas – homework 10gen: When you ask why, they explain that this ensures that the data will be durable in the face of the failure of either server. You want to reconfigure your replica set config to exclude the primary, and allow your secondary to be elected, but you run into trouble. Your job is to look this functionality up in the documentation, and use it for the following problem: The data center with the primary goes down, and is expected to remain down for the foreseeable future. Please round the answer to a whole 5.

Consider the following scenario: Once you have eliminated the slow operation, run on your second tab: Increase the priority of the first server from one to two. Finding the most frequent author of comments M Crunching the Zipcode dataset Homework: MongoDB preserves the order of writes in a collection in its consistency model. They are running a single replica set with two members. Next, go to the new primary of the set.

MongoDB has a data type for binary data.

M102 WEEK 5

You probably want to test this on your machine, and then copy and paste the insert query in the box below. This is not the same as the Bulk operations, which were discussed earlier in this course.

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Then import into your blog database as follows: Choose the answer below. You only have two data centers available. 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?

M102 homework homework 5.1

You have a two member replica set, a primary, and a secondary. J102 only have two data centers available. Newer Post Older Post Home. What result does this expression give when evaluated?

m102 homework 5.1

You have just been hired at a new company with an existing MongoDB deployment. MWinterHomework 7 1 Find the 5.

MongoDB for DBA’s M Homework week 5 | sadineni’s Blog

nomework Consider the following scenario: The data center with the primary goes down, and is homfwork to remain down for yomework foreseeable future. MongoDB for NodeJs devs week5: Add another data bearing node.

Note that you will need to probably change your projection to send more info through than just that first character. You only have two data centers available. Your secondary is now the only copy of your data, and it is not accepting writes. Lesson 26 Homework 4. When you are done, run: I installed the latest version of MongodDB version 3. Which of the following are true about mongodb’s operation in these scenarios? He mentions that you can find information on them in the docs, but he hasn’t used them in the shell during this course.

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m102 homework 5.1

You have a replica set with two members, having decided that a total of two copies of your data is sufficient. They are running a single replica set with two members.

To demonstrate that you have done this, what is the text in the “state” field for the arbiter when you run rs. When this is done, the replica set primary steps down, and the set cannot accept writes.

When you ask why, they explain that this ensures that hoomework data will be durable in the face of the failure of either server. Connect to the mongos with a mongo shell. MongoDB for Developers Homework 5. You would like to create a .51 set that is robust to data center failure.

Please insert into the m collection, the following 3 documents, using only one shell query please use double quotes around each key in each document in your answer: M homework homework 5.

Now use the homework homework to calculate the author with the greatest number of comments.