by Sargon Benjamin | Oct 18, 2019 | jmeter, performance, tutorial
When our Rest API tests fail, our developers need to view the full request body (not just the request url and params) from Jenkins. In this use case, the JMeter GUI is not a viable option for test results viewership. We often use JMeter to perform functional testing...
by Sargon Benjamin | Sep 12, 2019 | development, tutorial
Profiling is good. Errrrm, it’s good for debugging the performance and runtime of a Java app, in particular the functions that the CPU spends most of its cycles in. We recently had a customer filed bug where CPU usage for a particular java based process would...
by Sargon Benjamin | Apr 11, 2019 | database, development, tutorial
I’m a Spartan racer and Obstacle Course Racing (OCR) enthusiast! And…. I work at MapR. Since data matters in sports performance, I pondered if we could combine the power of both Spartan and MapR to create an epic data experience. The first goal was: “As a...
by Sargon Benjamin | Apr 10, 2019 | devops, tutorial
In this post, we’ll walk through an example where a file containing secrets can be found in only one of the intermediate layers that make up the docker image. Just because a docker image looks secure, it’s possible that one of the layers that makes up the image is...
by Sargon Benjamin | Apr 8, 2019 | devops, tutorial
As a developer checking out a project or codebase, I liken the experience to going to a car dealer for a test drive. I just want to get to the “test drive” as quickly as possible – I don’t want to sign a bunch of papers, talk with multiple employees, and spend...
by Sargon Benjamin | Nov 28, 2018 | tutorial
Lots of learning styles out there. I prefer to learn by practice. Getting my hands dirty and going from A -> Z, quite often using the straw-man approach. My employer, MapR, is working on a native Kubernetes (K8S) offering. To this end, understanding how to use K8S...
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