M101 HOMEWORK 6.1

MongoDB can not enforce unique indexes on a sharded collection other than the shard key itself, or indexes prefixed by the shard key. In this homework you will build a small replica set on your own computer. Note that are three commands. Prior to MongoDB 3. Failed with error ‘migration already in progress’, from s0 to s1 databases: Note that are three commands. At this point, the replica set should be coming up.

Type the validation code below. The oplog utilizes a capped collection. MongoDB replication is synchronous. Newer Post Older Post Home. Also omit —fork and use start mongod with Windows compatible paths i.

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

You can type rs. Create three directories for the three mongod processes.

It has been tested under Pymongo 2. At this point, the replica set should be coming up.

m101 homework 6.1

Newer Post Older Post Home. In this assignment you will use ho,ework aggregation framework to find the most frequent author of comments on your blog Omit -p from mkdir. The browser is probably wrapping them visually. On unix, this could be done as follows: Which of the following statements are true about choosing and using a shard key? Changed in version 3.

  LOFT INSULATION GCSE COURSEWORK

M101 Homework 3 1

There are three possibly true statement for this homework. Now connect to a mongo shell and make sure m1001 comes up mongo —port Now you will create the replica set.

m101 homework 6.1

Type the m1001 commands into the mongo shell: MongoDB replication is synchronous. Now connect to a mongo shell and make sure it comes up Now you will create the replica set. In this homework you will build a small replica set on your own computer.

[Solution] Week 1 : Introduction : MP: MongoDB for Developers

Type the validation code below. Check all that apply. We will check that it works with validate. The browser is probably wrapping them visually. Here you find updated answer with two possible outcomes as follow.

MongoDB university m101p chapter 6 homework

On unix, this could be done as follows: There must be a index on the collection that starts with the shard key. What would be the appropriate settings for w and j? Check all that apply. Note that are three commands.

  ESSAY ABOUT VESAK FESTIVAL IN SINHALA

You can change the shard key on a collection if you desire. Which of the following statements are true about choosing and using a shard key? The output of sh.

What would be the appropriate settings for w and j? Omit -p from mkdir. The shard key must be unique You can change the shard key on a collection if you desire.

The oplog utilizes a capped collection. The minimum sensible number of voting nodes to a replica set is three.