MONGODB FOR DBA HOMEWORK 5.2

MONGODB FOR DBA HOMEWORK 5.2

You have just been hired at a new company with an existing MongoDB deployment. This is really the “trick” to the question. They also explain that should they use a readPreference of “primaryPreferred”, that the application can read from the one remaining server during server maintenance. Second, you also want to ensure that all writes can be replicated during server maintenance. They are running a single replica set with two members. Note that there are two requirements in the question.

One real-time data can change your entire business for good. Thanks for sharing nice information. Big Data Hadoop Online Course. Add two data bearing members plus one arbiter 3. Get rid of the traditional ways of marketing and buy a customized email list from us. Add two arbiters Options 1, 3, and 5 do not add a data-bearing member, therefore we can ignore them as they do not satisfy the second requirement:

They also explain that should they use a readPreference of “primaryPreferred”, that the application can read from the one remaining server during server maintenance.

mongodb for dba homework 5.2

Add another data bearing node 5. It was nice to read this Blog.

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Big Data Hadoop Online Course. To allow writes to be replicated, there needs to be a data-bearing primary with a data-bearing secondary to replicate to.

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Thanks to share this useful informative blog about MongoDB Training. Add an hoemwork 2. Add two arbiters Options 1, 3, and 5 do not add a data-bearing member, therefore we can ignore them as they do not satisfy the second requirement: Therefore, we need to add at least one data-bearing member to our current deployment to satisfy that requirement.

When you ask why, they explain that this ensures that the data will be durable in the face of the failure of either server. Teju Teju 30 October homeworkk Thanks for sharing nice information. TIB Academy 17 December at You are concerned about two things, however.

So, let’s look at the options they give us: Our main focus is customer satisfaction. Here is the question as written in May Which of the following options will allow you to ensure that a primary is available during server maintenance, and that any writes it receives will replicate during this time?

Not that it mnogodb, but Option 3 doesn’t satisfy dga first requirement either. Check all that apply.

Increase the priority of the first server from one to two 4. One real-time data can change your entire business for good. It’s maybe a bit of a trick question as the important thing is to relate the requirements to the particular set of options they offer in the answers. You would like to ensure availability of writes during server maintenance.

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Not that hard really, we just need to remember that arbiters are only useful in elections. Hpmework are running a single replica set with two members.

mongodb for dba homework 5.2

Thanks for sharing such great information. When this is done, the replica set primary steps down, and the set cannot accept writes. We have worked with many organizations of all the sizes. Posted by SiteAdmin at You have just been hired at a new company with an existing MongoDB deployment. So we know we need to add a member to our deployment. To allow writes, the remaining members must have a majority to elect a primary.

First, a server is brought down for maintenance once a month. Parana Impact provides you the Email List that you are exactly looking for.

mongodb for dba homework 5.2

Note that there are two requirements in the question. Second, you also want to ensure that all writes can be replicated during server maintenance.