M101 HOMEWORK 4.1

From the top of this page, there was one additional program that should have been downloaded: We have removed parts of the code that uses the Node. This homework is meant to give you practice using the “package. Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency. There is also a ‘views’ directory which contains the templates for the project and a ‘routes’ directory which contains our express routes. Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency.

The blog has been enhanced so that it can also display the top 10 most recent posts by tag. Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency. This assignment requires Mongo 3. If you have all the dependencies installed correctly, this will print the message ‘Express server started on port ‘. This assignment requires Mongo 2. They can also choose to to point mongoProc to any 2. The blog home page The page that displays blog posts by tag http:

You must load this dataset to complete the problem. You can verify that you’ve imported the data correctly by running the following commands in the mongo shell:. Which of the following queries can utilize at least one index to find all matching m1001, or to sort?

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Hello from MongoDB!

Your assignment is to figure out the “State” that recorded the lowest “Temperature” when the wind was coming from the west “Wind Direction” between and Once you have added the indexes to make those pages fast run the following. We have removed parts of the code that uses the Node. Intrested click here – Mongo Database Services. What can you infer from the following explain output? By fast, we mean that indexes should be in place to satisfy these queries such that we only need to scan m1001 number of documents we are going to return.

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

m101 homework 4.1

We have provided the full code for the blog application and you don’t need to make any changes, or even run the blog. We are also providing a patriotic if you are an American data set for the blog. Then you can iterate through the documents and know that whenever the state changes you have reached the highest temperature for that state.

Note you will need to have your path setup correctly to find mongorestore. Use the weather dataset that you imported in HW 2.

Mongodb MJ Homework 1 1 Answers

But you can, for fun. Here are some URLs that must work when you are done. If you goto http: Now run the application to get the answer to hw To start, please download sysprofile. Note that this requires Node. After you run the blog, you should see the message:. Change directory into hw1 Use mongorestore to restore the dump into your running mongod. To confirm you are on the right track, here are some queries to run after you process the data with the correct answer shown: To start, please download sysprofile.

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Inwizards offers Mongo database services for our Mongodb Client. You should not need to touch any other code.

m101 homework 4.1

If everything is working properly, you should be able to start the blog by typing: With the new schema, this 4.11 is a lot harder and that is sort of the point. To figure out what queries you need to optimize, you can read the code in posts.

To get started, please download hw Check all that apply.

[Solution] Week 4 :Performance : MP: MongoDB for Developers

The blog has been enhanced so that it can also display the top 10 most recent posts by tag. Assuming this document has the highest “Temperature” for the “State” of “Vermont” in our collection, the document should look like this after you run your program:.

This assignment requires Mongo 3. Express server listening on port If you goto http:

m101 homework 4.1