Improved VPC networking for AWS Lambda functions


AWS just recently announced the improved VPC networking for AWS Lambda functions. Simply speaking the improvement is made by that Lambda functions now uses AWS HyperPlane to connect to customers' VPC instead of the individual ENI. AWS HyperPlane is a distributed Network Function Virtualization platform that works at the VPC flow level, it tracks the … Continue reading Improved VPC networking for AWS Lambda functions →

Delete Actors from a Jira Project Role


The Jira online REST API doc is wrong about how you can delete actors from a project role. As below it says the query string is user={username}, but it turns out to be inaccurate, even you still get the 204 response code. The right query string is should user=userkey. I have tested and verified this.

Understanding Jira project, issues, fields, screens, schemes and workflow


This is my version's summary of those key components in Jira. If you are new to Jira, this might be a good starting point to understand Jira from a high level.Project - a project is a collection of many issues that are all related to a project.Issues - issues are the building blocks for a … Continue reading Understanding Jira project, issues, fields, screens, schemes and workflow →

Jira and Confluence System Administrator Must Read


Both Jira and Confluence run on the Tomcat, it is critical for a Jira and Confluence system administrator to understand how Tomcat works. And what those paramaters mean in the server.xml? How to monitor the JMX metric to decide whether the server is healthy or not. I found a blog article on Data Dog website … Continue reading Jira and Confluence System Administrator Must Read →