Release your entities

This post elaborates on an interesting Architecture bug (was made long time ago by unmet team) and the fix for it. To sum up it’s about entities purification out of the Persistence Context overhead when you need to use them outside of the container, serialize them and send them over RMI,SOAP and other protocols to other JVMs. The Problem You may found yourself in a situation where you don’t have DTOs (for whatever strange reason), there existing object-graph is large but you need to use entity objects outside of the managed scope....

February 22, 2012 · 6 min · Alexander Holbreich

Ubuntu vs. Windows XP on my Thinkpad

Yesterday i’v installed Ubuntu (10) Linux alongside of Windows XP (SP3) on my Lenovo Thinkpad T60 (meanwhile 4 years old) Laptop. Let me stay short by observation of only a start-time of both system on the same machine in this post. Here some hardware details: Intel Core Duo (T2400 -1,83 Mghz) 1 Gb RAM 60 GB 5400rpm hard drive An here are start times on two Systems (in seconds): As we see Windows takes 1 minute from OS-Selection dialog till User-login dialog, whereas Ubuntu takes only 24 sec....

November 20, 2010 · 2 min · Alexander Holbreich