AWS Cloudwatch

 

AWS Cloudwatch is an AWS monitoring tool which will help us to monitor the cloud resources. Also, it gives the detailed report for the cloud resource usage. Amazon CloudWatch has an open application programming interface (API) support with customized reports, notifications, and alarms.

In Amazon CloudWatch, there is no up-front commitment or minimum fee. It will be charged at the end of the month for what we use.

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Puppet

  • Puppet is an open source system management tool for centralizing and automating configuration management. Configuration management is the detailed recording and updating of information that describes an enterprise’s hardware and software.
  • Puppet is written using Ruby.
  • System Administrators usually perform repetitive tasks such as installing servers, configuring those servers, etc. They can automate this task, by writing scripts, but it is a very hectic job when you are working on a large infrastructure.
  • To solve this problem, Configuration Management was introduced. Configuration Management is the practice of handling changes systematically so that a system maintains its integrity over time.

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AWS Lambda

AWS Lambda is a feature that helps to run code without provisioning or managing servers. We need to pay only for the compute time we consume – there is no charge when our code is not running.

AWS Lambda is an ideal compute platform for many application scenarios, provided that you can write your application code in languages supported by AWS Lambda (that is, Node.js, Java, Go and C# and Python), and run within the AWS Lambda standard runtime environment and resources provided by Lambda.

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Apache Cassandra

Cassandra is a distributed database management system designed for handling a high volume of structured data across commodity servers. It provides high availability with no single point of failure.

Important points 

Apache Cassandra is an open source, distributed and decentralized/distributed storage system.
It is a column-oriented database.
Cassandra was developed at Facebook for inbox search.

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