Levitation in Virtual World or How to Convert XEN IMAGES to KVM
How to Convert XEN IMAGES to KVM? The rule of the “cloud” has already been established and now we have multiple vendors fighting for market share. Many companies started relying on the cloud and seeking more and more automation and could services. It looks easy, you just select a cloud provider, use its services and […]
Monitoring OpenStack Pt.2
In my previous blog post, I was discussing how to monitor RabbitMQ as a centralized message Q of OpenStack. Well, that’s quite important but the end goal of having a cloud is the instance on top of the machine. Most of you and especially the infrastructure guys who dig into monitoring will know what are the most […]
Monitoring OpenStack Pt.1
OpenStack Last year we focused on OpenStack technology and the projects behind it. We decided to stress it and move our scope in that direction because of the rich features and flexibility that it provides. But as we know great power comes with great responsibility. Once you are done with the installation and configuration of […]
WebSphere: Generating Heap Dump using Jython
Java Virtual Machine (JVM) Heap Space Possible failures of Java code core dump JVM Tuning the application server is recommended as opposed to just sticking with the default values assigned during an application server install. If the heap size is not managed or tuned, you may see the symptoms of poor memory management which can […]