MONGODB FOR JAVA DEVELOPERS HOMEWORK 6.1

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Notify me of new comments via email. Write an aggregation query to answer this question. Subscribe To Posts Atom. The output of sh. Leave a Reply Cancel reply Enter your comment here The oplog utilizes a capped collection. We will check that it works with MongoProc.

If everything worked fine then it will show you message like Everything looks fine. On unix, this could be done as follows: If you need to reinstall it, click here to download mongoProc. Nemco February 22, at 8: Note that are three commands.

Failed with error ‘migration already in progress’, from s0 to s1 databases: There must be a index on the collection that starts with the shard key.

Don’t include their quiz scores in the calculation. The shard key must be unique Any update that does not contain the shard key will be sent to all shards. On unix, this could be done as follows: The output of sh.

MJ: MongoDB for Java Developers : Homework : Week 6 – Techiekunal

Notify me of new comments via email. You are commenting using your Facebook account. Check all that apply. What would be the appropriate settings for w and j? Linux and Mac users: MongoDB replication is synchronous. You can type rs. Email required Address never made public. The oplog utilizes mongodb for java developers homework 6.1 capped collection. Which of the following statements are true about choosing and using a shard key? Make sure to configure MongoProc to have mongod1 set to the hostname and port of one of the replica set members.

Newer Post Older Post Home. Download the handout and import the grades collection using the following command. So the answer is s1. Check all that apply.

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Failed with error ‘migration already in progress’, from s0 to s1 databases: Create three directories for the three mongod processes. Now start three mongo instances as follows.

You are commenting using your WordPress. Sunday, March 12, [Solution] Week 6: Subscribe To Posts Atom. Leave a Reply Cancel reply Enter your comment here You have a sharded system with three shards and have sharded the collections “students” in the “school” database across those shards. Note that are three commands. Sarath April 30, mongodb for java developers homework 6.1 Ankit Raina May 7, at 3: It has been tested under Pymongo 2. MongoDB for Java Developers: MongoDB can not enforce unique indexes on a sharded collection other than the shard key itself, or indexes prefixed by the shard key.

Let’s suppose you have a five member replica set and want to assure that writes are committed to the journal and are acknowledged by at least 3 nodes before you proceed forward. What would be the appropriate settings mongodb for java developers homework 6.1 w and j?

In this homework you will build a small replica set on your own computer. The minimum sensible number of voting nodes to a replica set is three.

You can change the shard key on a collection if you desire. Write an aggregation query to answer this question. Now go to MongoProc to ensure that it works. You can change the shard key on a collection if you desire.

M101J: MongoDB for Java Developers : Homework : Week 6

You have really selected the suitable topic node. Create three directories for the three mongod processes.

You do not need to distinguish between currencies. There must be a index on the collection that starts with the shard key. Question 1 Please download the Enron email da