Conclusion
What has changed for analytics testing in SMAC world?
To address the testing for big data, one needs to understand the system and prepopulate data in the system. Testers need to create installations to be able to carry out real-time tests.
There are not many testing tools for big data; the testers are learning basic components of big data to be able to use big data design and development tools (the same as developers) to be able to test big data. Tools such as query surge can help test up to 100% data quickly.
Experience in testing EDW applications has helped shorten the learning curve for testers testing big data as they apply the knowledge of extract, transform, and load from DWH to the Hadoop HDFS.