Limits have their limits
I’ve been chewing on this post by Duncan at Yellow Bricks for the past month and a half. It covers some complicated issues that one has to deal with in a enterprise size environment with many assumptions on what gets you into this mess in the first place. The best thing to do is downscale [...]
In: Server Virtualization, VMware · Tagged with: management, performance, VMware
LoadTesting takes a turn with Server Virtualization
Just recently I had an interesting conversation with one of my clients. In this internal consult with her, she comes to me and says of our VMware Solutions that there is a
“potential issue with 4 vCPUs and scheduling”
I looked at her and was a bit confused. I told her
“No.. there isn’t a scheduling issue for [...]
In: Server Virtualization · Tagged with: analysis, performance
Shouting affects performance
Sometimes the strangest things can have an affect on performance of your computer. Using the Fishworks tool which uses Dtrace for monitoring Sun Storage ZFS systems performance of your disk is affected by shouting.
“You can’t control what you can’t measure.”
In: Uncategorized · Tagged with: dtrace, fishworks, performance, sun