Jira and Confluence Performance Monitoring Part Two


Continue with Jira and Confluence Performance Monitoring Part One, in this article I will explain a bit deeper how the Bot works which is most interesting part I think. First of all, you need to have a Bot that is hooked to your Slack. I wrote my own Bot based on Hubot (Nodejs Express Framework). When … Continue reading Jira and Confluence Performance Monitoring Part Two →

HTTP Code 499


Http status code 499 is a non-standard status code introduced by nginx for the case when a client closes the connection while nginx is processing the request. I just encountered the 499 code in the nginx log a couple days ago. The reason of that is I wrote a Ajax to make a API call to the … Continue reading HTTP Code 499 →

Updated AWS Well-Architected Framework


AWS recently released the new version of AWS Well-Architected Framework, I just had a quick look. The biggest change to me is that the Architecture design principles (they call it pillars of the framework) have increased from 4 to 5. Now the 5 pillars of the framework are: Operational Excellence Security Reliability Performance Efficiency Cost … Continue reading Updated AWS Well-Architected Framework →

Error response from daemon: error unmarshalling content: unexpected end of JSON input


It happened the other day that one user reported that he was unable to pull a docker image from an internal registry. So I tried from my laptop, it looked fine at the first beginning. There were a few downloading processed going on, but it threw the error unknown blob at the end. So I tried … Continue reading Error response from daemon: error unmarshalling content: unexpected end of JSON input →