Category Archives: Business


WordPress Community Scheduler Interval Bug

I opened WordPress Bug 42866: “WordPress Community Scheduler Interval Bug.” I found that when writing the RackPing Monitoring widget, scheduled tasks frequently run up to 45 seconds earlier than the 15 minute interval specified. This may have wide and serious … Continue reading

Posted in API Programming, Business, Cloud, MySQL, Open Source, REST API Programming, Tech | Leave a comment

Internet Latency and Multi-Master Database Transactions

There’s 2 common misconceptions in engineering West Coast – East Coast data centers: that packets travel at the speed of light that database transactions must be 2-phase commit, and two masters cannot be located very far apart because of #1. … Continue reading

Posted in Business, Cassandra, Linux, MySQL, MySQL Cluster, Open Source, Oracle, Tech | Leave a comment

The Awesome Cloudify Orchestration Tool Roundup Slides

Cloudify and Gigaspaces wrote a really useful slide deck titled, “Orchestration Tool Roundup – Docker Swarm vs. Kubernetes, TerraForm vs. TOSCA/Cloudify vs. Heat” dated June 11, 2015. There’s 3 things that make the slides awesome: they start with a sample … Continue reading

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Fix for Apache httpd Update Causing WordPress Redirect Loop

The recent CentOS 6 Apache httpd 2.2 server update changes the envariable HTTP_HOST from ‘domain’ to ‘domain:port’, causing cookie domain match and redirect issues with web apps, especially in a reverse proxy setup. /var/log/yum.log: Sep 23 23:55:25 Updated: httpd-2.2.15-60.el6.centos.5.x86_64 The … Continue reading

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Sharing Economy in China 2017

Reuters article on the “sharing economy” in China: China’s slam dunk ‘sharing economy’ booms, but can it last? “Twelve firms renting out power banks – typically compact, mobile battery chargers – secured 1.13 billion yuan, while newer businesses such as … Continue reading

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