July 5, 2012

KVM and I/O problems

KVM and Postgresql Problem: Slow I/O - with Software Raid 1 and LVM2. So we had some trouble with a Software Raid 1 and our KVM Virtual Machines, the writing and reading speed was just bad. But this was only  for paralle wirte/read requests. So doing single test like dd or even bonnie didn't show the problem.

March 7, 2012

rsync - the better scp

Regard this Post, i make this post. First: scp is great.

January 19, 2012

[Gentoo]Jetty with a .WAR file

Jetty with a .WAR file In my company i currenly have a lot to do with Scala Lift.

January 11, 2012

How to empty swap

Bad applications does Bad stuff with you Memor. Today my Skype decide to flood my Memory.