Jira Backgroud re-index vs Foreground re-index


First of all, what I mean Foreground re-index is Lock Jira and rebuild index. Here is a quick comparison between Background and Foreground re-index. I have summaried a few take away for your reference: The best combination is Jira Data Center + foreground re-index. As you can see above foreground re-index is quicker and offers … Continue reading Jira Backgroud re-index vs Foreground re-index

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Port Forwarding over AWS Session Manager


Continue with the Session Manager over PrivateLink, another good use case for session manager is port forwarding. Here is a quick demo: First, login into the EC2 instance with session manager to install a Apache server # Install Apachesudo yum -y install httpd # Start Apache web serversudo systemctl start httpd # Ensure port 80 … Continue reading Port Forwarding over AWS Session Manager

Use AWS SSM Session Manager Over PrivateLink


AWS SSM Session Manager is a great addition to the existing AWS services, simply speaking it provides a secured, manageable and easier way to access the instance inside the VPC, and more (e.g. port forwarding). There are two ways to use session manager: over Internet vs over PrivateLink. Over Internet: The instance communicates to the … Continue reading Use AWS SSM Session Manager Over PrivateLink

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

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