M101P HOMEWORK 1.2

Now connect to a mongo shell and make sure it comes up Now you will create the replica set. You can type rs. There are three locations for you to add code for this problem. The output of sh. Let’s suppose you have a five member replica set and want to assure that writes are committed to the journal and are acknowledged by at least 3 nodes before you proceed forward.

Please put just the 4-digit number into the box below no spaces. Note that not all students in the same class have the same exact number of assessments. Failed with error ‘migration already in progress’, from s0 to s1 databases: Please choose your answer below for the most prolific comment author:. Install MongoDB on your computer and run it on the standard port. You must figure out the GPA that each student has achieved in a class and then average those numbers to get a class average.

Also omit –fork and use start mongod with Windows compatible paths i.

To be clear, each student’s average includes only exams and homework grades. Failed with error ‘migration already in progress’, from s0 to s1 databases: Homeeork again, you will be using the zip code collection, which you will find in the ‘handouts’ link in this page.

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M101 homework answers

Download the handout and run it as follows: We will be using a data set similar to ones we’ve used before. There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. To figure out what queries you need to optimize, you can read the blog.

Your task is to calculate the class with the best average student performance.

In this problem you will analyze a profile log taken from a different mongoDB instance and you will import it into a collection named sysprofile. Homweork of the following queries can utilize at least one index to find all matching documents, or to sort? Use mongorestore to restore the dump into your running mongod. There are entries with lots of comments and tags.

MP: MONGODB FOR DEVELOPERS HW – Ben’s Digital

Using the aggregation framework, calculate the sum total of people who are living in a zip code where the city starts with a digit. Sunday, January 22, [Solution] Week 1: Note that not all students in the same class have the same exact number of assessments. We are now going to test that you have bottle installed correctly and can run a bottle-based project.

In this homework assignment you will be adding some indexes homeworl the post collection to make the blog fast.

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m101p homework 1.2

m101pp But you can, for fun. What would be the appropriate settings for w and j? What is the latency of the longest running operation to the collection, in milliseconds?

Suppose you have homewogk collection with the following indexes: We will check that it works with validate. In this homework you will build a small replica set on your own computer. Once you’ve generated your aggregation query and found your answer, select it from the choices below.

Download the HW from the Download Handout link and uncompress it. Making the Blog fast Please download hw The output of sh.

MongoDB university m101p chapter 1 homework

Create three directories for the three mongod processes. Please round the answer to a whole number. Scan that file for XXX to see where to work.

m101p homework 1.2

From the mongo shell: To get started, please download hwand Please choose your answer below for the most prolific comment author:. Then import homewotk your blog database as follows: Type the two-digit answer into the box below no spaces.