I recently came across an issue where the ActiveMQ KahaDB journal files were continually rolling despite the fact that only a small number of small persistent messages were occasionally being stored by the broker. I found the actual cause of this behavior and I will describe it here...
You’ve probably heard of Gene Kim, Kevin Behr and George Spafford before. They are the three amigos responsible for The Visible Ops Handbook, which can be found in the book pile of every good IT operator.
We wanted to tail one of the log files simultaneously on 12 servers this afternoon to try and see if a particular event was being logged and rather than opening 12 SSH sessions decided to get Fabric to help us out.
New Relic has long encouraged us to embrace the Nerd in all of us. Recently, they took that a step further in discovering the meaning of life...or at least, the Nerd Life. Here's the first release from New Relic Records: "NERD LIFE" featuring MC Frontalot. Enjoy!
Today we learned that Spring is making a major step in the next iteration of their core framework.
SpringSource expects to reach the first milestone for 4.0 in April, with the GA scheduled for the end of the year.