MONGODB M101 HOMEWORK 51 ANSWER

About Me Kunal Saxena. To help you verify your work before submitting, the author with the fewest comments is Cody Strouth and he commented 68 times. After following all the steps, run mongoproc and click “test” button. We will check that it works with MongoProc. 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? Your task is to calculate the class with the best average student performance.

You have a two member replica set, a primary, and a secondary. You only have two data centers available. A set of grades are loaded into the grades collection. Stay Connected , , , , , , Question 1 Please download the Enron email da You probably want to test this on your machine, and then copy and paste the insert query in the box below. Different states might have the same city name.

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 mongodb m101 homework 5.1 answer of either data center but not both at once? Please round the answer to a whole number. Your secondary is now the only copy of your data, and it is not accepting writes.

The documents look like this: Newer Post Older Post Home. Choose the answer below. Use the aggregation framework in the web shell to calculate the author with the greatest number of comments. Don’t include their quiz scores in the calculation.

Once you’ve found the correct answer with your query, please choose your answer below for the most prolific comment author. Three instances of mongodb running. Create three directories for the three mongod processes. Increase the priority of the first server from one to two.

Please insert into the m collection, the following 3 documents, using only one shell mongodb m101 homework 5.1 answer please use double quotes around each key in each document in your answer: Note that not all students mongodb m101 homework 5.1 answer the same class have the same exact number of assessments. Increase the number of votes for the first replica set member from one to two.

The shard key must be unique Answer: The answer for CT and NJ using this data set is We will take that to mean mongodb m101 homework 5.1 answer don’t really live in a city. About Me Kunal Saxena.

After that, you mongodb m101 homework 5.1 answer need to sort. For example, to extract the first digit from the city field, you could write this query: All 3 servers in data center 1.

A set of grades are loaded into the grades collection. Question 1 Please download the Enron email da There must be a index on the collection that starts with the shard key. Which of the following are options that will allow you to ensure that failover can occur if the first server goes down?

For purposes of keeping the Hands On shell quick, we have used a subset of the data you previously used in zips. Find out the optional parameter that you’ll need, and input it into the box below for your rs.

You only have two data centers available. You are concerned about robustness, however. This is not the same as the Bulk operations, which were discussed earlier in this course. You would like to create a replica set that is robust to data center failure.

A city might have multiple zip codes. Stay Connected,, You probably want to test this on your machine, and then copy and paste the insert query in the box below.

MongodbChamps: MJ: MongoDB for Java Developers Homework

Just to clarify, the data set for this week is not available for download. The oplog utilizes a capped collection. At the beginning of the section, “W Timeout and Capacity Planning”, Dwight mentioned something that hasn’t yet been touched upon in this class: The minimum sensible number of voting nodes to a replica set is three.

Subscribe To Posts Atom. We will check that it works mongodb m101 homework 5.1 answer MongoProc.

M101J: MongoDB for Java Developers : Homework : Week 5

Those students achieved a class average of On unix, this could be done as follows: Question 1 Please download the Enron email da Newer Post Older Post Home. Check all that apply. Java Programme mongodb m101 homework 5.1 answer difference of diagonals sum in Use “double quotes” around mongodb m101 homework 5.1 answer key s in your document. Once again, you will be using the zip code collection, which you will find in the ‘handouts’ link in this page. You can change the shard key on a collection if you desire.

Import it into your mongod using the following command from the command line: He mentions that you can find information on them in the docs, but he hasn’t used them in the shell during this course. Posted by Muhammad Abbas at MongoDB replication is synchronous. Your task is to calculate the class with the best average student performance.

You have a two member replica set, a primary, and a secondary. Type the following commands into the mongo shell: