Load testing

Q: How deeply does Amazon Web Services in Action, Third Edition: An in-depth guide to AWS cover load testing?

Demonstrates workload generation, command parameters, alarms, and scaling observation, without developing broader benchmarking methodology.

As explained in Amazon Web Services in Action, Third Edition: An in-depth guide to AWS

A load test is a controlled test that generates workload to evaluate system behavior under specified demand.

A load test is a controlled test that generates workload to evaluate system behavior under specified demand. In an AWS web application, Apache Bench sends concurrent HTTP requests while CloudWatch and Auto Scaling expose the system’s response. section 17.3.1

Apply a basic load test to a scalable WordPress deployment:

Install Apache Bench from the Amazon Linux httpd-tools package. section 17.3.1
Watch the CloudWatch target-tracking alarm and EC2 instances as Auto Scaling launches additional machines and later removes them. section 17.3.1
For queue-backed work, generate messages, monitor SQS queue-length alarms, and observe step scaling add or remove workers. section 17.3.2

WordPress scaling test

A WordPress deployment behind a load balancer receives 500,000 requests through 15 Apache Bench threads. After roughly three minutes, Auto Scaling launches new EC2 instances; after the test and cooldown period, the extra instances disappear. Large tests should be checked against the AWS Acceptable Use Policy and may require permission. section 17.3.1

How Amazon Web Services in Action, Third Edition: An in-depth guide to AWS covers it

Cover of Amazon Web Services in Action, Third Edition: An in-depth guide to AWS

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Also explained in

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ScyllaDB in ActionLoad testing is the technique of applying representative or increasing workload to a system to evaluate its performance, behavior, and capacity limits.
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Think Like a Software Engineering ManagerLoad testing is software performance testing that evaluates behavior under specified levels of concurrent or simulated workload.
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LLMs in ProductionLoad testing is a performance-testing technique that evaluates how a service or system behaves under an expected or increasing workload.
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Build Financial Software with Generative AI (From Scratch)Load testing is nonfunctional testing that evaluates an application's behavior and performance under simulated user or request loads.

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Related concepts

testkind of · A test is a procedure or check that evaluates behavior using specified inputs or evidence against expected results or criteria.
Locustuses · Locust is an open-source load-testing tool for defining simulated user behavior and generating configurable concurrent traffic to measure software-system performance.
performance testingkind of · Performance testing is the evaluation of a system's behavior, such as its responsiveness, throughput, scalability, stability, or resource use, under specified workloads and operating conditions.
cassandra-stressuses · cassandra-stress is a command-line benchmarking utility that generates database workloads for measuring Cassandra-compatible systems.
definition of donepart of · A definition of done is an agreed set of criteria that work must satisfy to be considered complete.

This explainer was generated by Manning's knowledge graph from the text of Amazon Web Services in Action, Third Edition: An in-depth guide to AWS. The section links point to the parts of the book it draws on.