M101 HOMEWORK 6.1

Type the validation code below. Create three directories for the three mongod processes. What would be the appropriate settings for w and j? Type the following commands into the mongo shell: MongoDB replication is synchronous. Which of the following statements are true about replication in MongoDB? Prior to MongoDB 3.

Changed in version 2. Which of the following statements are true about choosing and using a shard key? In earlier versions of MongoDB, w: In this homework you will build a small replica set on your own computer. Validate connects to your local replica set and checks that it has three nodes. Create three directories for the three mongod processes. Any update that does not contain the shard key will be sent to all shards.

m101 homework 6.1

You can type rs. What would be the appropriate settings for w and j? Create three directories for the three mongod processes. Type the validation code below. The shard key must be unique You can change the shard key on a collection if you desire. Create three directories for the three mongod processes.

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The browser is probably wrapping them visually. Check all that apply.

MongoDB university mp chapter 6 homework – bigmongodb

Now you will create the replica set. Omit -p from mkdir. Type the validation code below. Now start three mongo instances as follows.

m101 homework 6.1

Failed with error ‘migration already in progress’, from s0 to s1 databases: We will check that it works with validate. 1m01 replication is synchronous.

In this homework you will build a small replica set homewkrk your own computer. Now connect to a mongo shell and make sure it comes up mongo —port Now you will create the replica set.

Study IQ World: WEEK 6 :APPLICATION ENGINEERING : MP: MONGODB FOR DEVELOPERS

The browser is probably wrapping them visually. The output of sh. Check all that apply. You can type rs. In this homework you will build a small replica set on your own computer.

M101 Homework 3 1

There must be a index on the collection that starts with the shard key. Which of the following statements are true about replication in MongoDB? You have a sharded system with three shards and have sharded the collections “students” in the “school” database across those shards. Which of homewlrk following statements are true about choosing and using a shard key?

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MongoDB university m101p chapter 6 homework

Which of the following statements are true about choosing and using a shard key? In this assignment you will use the aggregation framework to find the most frequent author of comments on homeworm blog Omit -p from mkdir.

m101 homework 6.1

Note that are three commands. Newer Post Older Post Home. On unix, this could be done as follows: Now connect to a mongo shell and make sure it comes up Now you will create the replica set.

Changed in version 2. On unix, this could be done as follows: Also omit –fork and use start mongod with Windows compatible paths i.