PerformanceTesting

for web-scale

● SA at EPAM Systems

● primary skill is Java

● hands-on-coding with Groovy, Ruby

● exploring FP with Erlang/Elixir

● passionate about agile, clean code and devops

Agenda● Why?● What?● How to..?● Tools● Demo● Summary● References● Q&A

Why... should I Care?..

http://positionly.com/blog/seo/mobile-search-position-boost

$1.6B~10 * $150M

What...is Performance

Testing?

Performance testingis in general testing performed

to determine how a system performs in terms of responsiveness

and stabilityunder a particular workload.

What...are Key

Characteristics?

Availability

Concurrency

Response Time

Throughput

How…to Decide when to

Test?

Readiness

Enough Data

Enough Time

Continuously

How…to Choose what to

Test?

System Load

Test Duration (mins)

Normal Operation

Max Designed Operation Capacity

Stress Test

Soak Test

Peak Load Test

Spike Test

Types

Consensus

Scenarios

How…to Execute Test?

Data Volume

Network

Monitoring

Above Limits

Tool Impact

How…to Collect Results?

Measures

Distributed Log

Tools

Many..

- Iago http://twitter.github.io/iago/index.html

- Tsung https://www.process-one.net/en/tsung/

- Locust http://locust.io/

- Zopkio https://github.com/linkedin/Zopkio

Gatling http://gatling.io/

- load testing framework based on Scala, Akka and Netty

- provides DSL along with UI for recording

- beautiful reports with right measurements

- easy for distributed load

- real-time monitoring

Demotime

Takeaways- Do performance testing continuously

- Do performance testing with right amount of data

- Monitor application during performance tests run

- User right measurements (percentiles)

- Choose right tool to load with less impact

- Automate deployment and testing processes

References- The Art of App Performance Testing http://goo.gl/CEgfSQ

- Performance Testing Crash Course https://goo.gl/jDDcP4

- InfluxDB https://influxdb.com/

- Grafana http://grafana.org/

- Docker Compose https://docs.docker.com/compose/

- Sources https://github.com/webdizz/web-scale-perf-testing

Q&A

http://epam.com/careers

Izzet Mustafayev@EPAM Systems@webdizz webdizz izzetmustafaievhttp://webdizz.name