November 14, 2022

Top 20 AWS Keyspaces Interview Questions and Answers

 

 

Ques. 1): Amazon Keyspaces: What is it?

Answer:

Scalable, highly available, and managed database solution for Apache Cassandra is provided through Amazon Keyspaces. You may utilise the same Cassandra Query Language (CQL) code, Apache 2.0-licensed drivers, and tools while running your Cassandra workloads on AWS thanks to Amazon Keyspaces. Apache Cassandra is customised for usage with Amazon Keyspaces. To operate Apache Cassandra as a managed, serverless solution, we updated the source code. You don't have to install, maintain, or run software, or supply, patch, or manage servers. Automatic scaling up and down is possible for tables, and you only pay for the resources you really use.

 

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Ques. 2): How fast can I anticipate Amazon Keyspaces to operate?

Answer:

High availability and data durability are also provided by Amazon Keyspaces, which consistently provides server-side read and write performance in the single-digit millisecond range.

 

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Ques. 3): How much throughput can an Amazon Keyspaces table sustain in total? What is a table's maximum size? What is the most things that can be kept in a table?

Answer:

The throughput and storage of Amazon Keyspaces tables may scale up and down practically infinitely. A table's size and the number of rows it may contain are both unlimited.


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Ques. 4): What do I need to do to start using Amazon Keyspaces?

Answer:

Create a keyspace and table using either the AWS Management Console or an Apache 2.0-licensed Cassandra driver to get started with Amazon Keyspaces.


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Ques. 5): How is pricing for Amazon Keyspaces handled?

Answer:

Both on-demand and provided capacity options are available with Amazon Keyspaces. You only pay for the reads and writes that your application actually executes when you use on-demand capacity mode. If your application traffic is predictable and you have the ability to foresee your capacity needs in advance, provisioned capacity mode can help you optimise the price of throughput. Amazon Keyspaces also levies costs for data storage and typical internet data transport.


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Ques. 6): What does it mean to be "Cassandra compatible"?

Answer:

The CQL API is compatible with Amazon Keyspaces. All of the most popular Cassandra data-plane activities, including building keyspaces and tables, reading data, and writing data, are supported by Amazon Keyspaces. Because Amazon Keyspaces is serverless, you don't need to install, maintain, or run software or provision, patch, or manage servers. There are no tombstones, compaction techniques, or garbage-collection settings to handle with Amazon Keyspaces. You get single-digit millisecond performance using Amazon Keyspaces. For durability and availability, all writes in Amazon Keyspaces are replicated three times across several AWS Availability Zones.


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Ques. 7): Where can I find Amazon Keyspaces?

Answer:

With Amazon Keyspaces, you may continue to utilise your current Cassandra drivers and development tools under the Apache 2.0 licence.

 

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Ques. 8): Does using Amazon Keyspaces require me to alter my client drivers?

Answer:

No. With Cassandra drivers that have an Apache 2.0 licence, Amazon Keyspaces is compatible.

 

 

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