In this problem you will analyze a profile log taken from a mongoDB instance. We are also providing a patriotic if you are an American data set for the blog. There is also a ‘views’ directory which contains the templates for the project and a ‘routes’ directory which contains our express routes. To start, please download sysprofile. To figure out what queries you need to optimize, you can read the code in posts. Note that this requires Node. There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag.
Which of the following queries can utilize at least one index to find all matching documents, or to sort? Intrested click here – Mongo Database Services. Note you will need to have your path setup correctly to find mongorestore. When it says “user creation successful” and “user login successful”, you can Turn in your assignment. But you can, for fun.
Do not include the surrounding quotes in providing your answer.
To start, please download sysprofile. You will see a message below about your number of submissions, but you must submit this assignment using MongoProc.
Hello from MongoDB!
Please provide the value corresponding to the “answer” key without the surrounding quotes from the document returned. Let us count the number of students we have: Start mongodb development with our skilled and experienced mongodb developers. Since there is a single document for each student containing an array of scores, you will need to update the scores array answets remove the homework.
After you run the blog, you should see the message:. To figure out what queries you need to optimize, you can read the blog. There are entries with lots of comments and tags.
Note you will need to have your path setup correctly to find mongorestore.
[Solution] Week 4 :Performance : MP: MongoDB for Developers
To start, please download sysprofile. Isolate those queries and use explain to explore. The blog home page The page that displays blog posts by tag http: What can you infer from the following explain output?
There are entries with lots of comments and tags. We have provided the full code for homewor, blog application and you don’t need to make any changes, or even run the blog.
There is also a ‘views’ directory which contains the templates for the project and a ‘routes’ directory which contains our express routes. Himework all options, only above two uses at least one index from all indexes.
Mongodb M101J Homework 1 1 Answers
You can verify that you’ve imported the data correctly by running the following mongdob in the mongo shell:. You must load this dataset to complete the problem.
Check all that apply. You might want to start by inspecting it in the Mongo shell.
Assuming this document has the highest “Temperature” for the “State” of “Vermont” in our collection, the document should look like this after you run mongofb program:. We are also providing a patriotic if you are an American data set for the blog.
From the top of this page, there was one additional program that should have been downloaded: In this homework assignment you will be adding some indexes to the post collection to make the blog fast.
Change directory into hw1 Use mongorestore to restore ansqers dump into your running mongod. From the mongo shell: Aswers should see four files in the ‘blog’ directory: Calling ‘npm install’ with no specific package tells npm to look for ‘package.
What is the latency of the longest running operation to the collection, in milliseconds? The blog has been enhanced so that it can also display the top 10 most recent posts by tag.
MP WEEK 4 – Understand !!! Implement !!! Analyze !!!
There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. This dataset holds the same ansqers of data as last week’s grade collection, but it’s modeled differently. This is a comma separated value file that you can import into MongoDB as follows: