MONGODB FOR DBA HOMEWORK 5.2

Here is the question as written in May Teju Teju 30 October at Our main focus is customer satisfaction. Really nice blog post. Get rid of the traditional ways of marketing and buy a customized email list from us.

The parts I’ve emboldened are actually the only bits we need to consider. Teju Teju 30 October at Not that hard really, we just need to remember that arbiters are only useful in elections. Anuj Singh 4 January at Add an arbiter 2.

First, a server is brought down for maintenance once a month.

mongodb for dba homework 5.2

Posted by SiteAdmin at Not that hard really, we just need to mongocb that arbiters are only useful in elections. Big Data Hadoop Online Course. Our main focus is customer satisfaction.

So we know we need to add a member to our deployment. Teju Teju 30 October monhodb 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: 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. Homrwork, let’s look at the options they give us: Thanks for sharing nice information.

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mongodb for dba homework 5.2

Increase the priority of the first server from one to two 4. When this is done, the replica set primary steps down, and the set cannot accept writes. Get rid of the traditional ways of marketing and buy a customized email list from us.

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? You have just been hired at a new company with an existing MongoDB deployment.

MongoDB for DBA’s M Homework week 5 | sadineni’s Blog

You are concerned about two things, however. Second, you also want to ensure that all writes can be replicated during server maintenance. They also explain that should they use a readPreference fir “primaryPreferred”, that the application can read from the one remaining server during server maintenance.

Not that it matters, but Option 3 doesn’t satisfy the first requirement either. One real-time data can change your entire business for good.

Add two data bearing members plus one arbiter 3. You would like to ensure availability of writes during server maintenance. MongoDB Training in Irving.

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MongodbChamps: M MongoDB for DBAs – week 5 answer

When dor ask why, they explain that this ensures that the data will be durable in the face of the failure of either server. Add an arbiter 2. To allow writes to be replicated, there needs to be a data-bearing primary with a data-bearing secondary to replicate to. Thanks for sharing such great information. Note that there are two requirements in the question. TIB Academy 17 December at It was nice to read this Blog. Anuj Singh 4 January at We have worked with many organizations of all the sizes.

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Therefore, we need to add at mongidb one data-bearing member to our current deployment to satisfy that requirement. This is really the “trick” to the question.

Here is the question as written in May