Category Archives: Java

Hadoop Has No Business Model

I had a chance to talk to a Big Data sales manager 5 years ago. He said, “Hadoop is a tough sale on the East Coast. Hoping Spark will help.” Now, MapR is facing insolvency and Cloudera/Hortonworks isn’t doing great. … Continue reading

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oom-report linux Utility

Announcing a new SRE utility I wrote for processing linux syslog Out of Memory (OOM) entries, oom-report. It parses logfiles for OOMs and reports on how much RAM (vm + rss) each process used and sorts from smallest to largest. … Continue reading

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RedisConf 2018

I attended RedisConf 2018 on Thursday at Pier 27 (The James R. Herman Cruise Terminal) in SF. Just like 2017, the talks were extremely high-quality and imaginative – I wished I could see all of the tracks. The Herman Center … Continue reading

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Microservices: Java MicroProfile Links

From the MicroProfile FAQ: “The MicroProfile is a baseline platform definition that optimizes Enterprise Java for a microservices architecture and delivers application portability across multiple MicroProfile runtimes. The initially planned baseline is JAX-RS + CDI + JSON-P, with the intent … Continue reading

Posted in API Programming, Business, Cloud, GC Pauses, Java, Linux, Microservices, Open Source, Oracle, REST API Programming, Tech | Leave a comment

Basic JMeter Load Testing of Web Sites and Rest APIs

This is an intro to load testing with Apache JMeter, an Open Source load testing tool. As a developer, QA or Operations engineer, it’s important to be familiar with what load testing tools can do, and to know how to … Continue reading

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