Friday June 29, 2007 Open-Sourcing of Solaris Cluster
Great to see Solaris Cluster starting down the open-source road. [Read More]( Jun 29 2007, 01:02:39 PM CEST ) Permalink
Tuesday February 06, 2007 Solaris - measuring the memory overhead of my process
What's the memory overhead of my Solaris process?
I'd like to know the amount of additional system memory required when my process is running. It sounds like a simple request, but standard tools like ps, prstat, top and ps don't give me the information... here's how I currently go about measuring the memory overhead of my processes.
[Read More]
( Feb 06 2007, 05:18:13 PM CET ) Permalink
Thursday January 25, 2007 Sun Connection - updating my lab
Sun's got a pretty neat service - Sun Connection - that lets you monitor a lab full of machines, and helps you decide to apply security and other patches to the boxes, from a centralized portal. This is much cooler than having to do operations on a machine-by-machine basis when you've a group of machines to administer. This isn't my typical day job, but I wanted to have a try. [Read More]( Jan 25 2007, 06:30:10 PM CET ) Permalink Comments [1]
Monday January 15, 2007 DTrace - (ab)using aggregations to expose other data
One restriction when using the Java DTrace API is that the only data type that can be collected on demand by a DTrace client is the aggregation. [Read More]( Jan 15 2007, 04:36:12 PM CET ) Permalink
Friday October 20, 2006 DTrace and moving/rolling averages
A client asked me the other day if DTrace could be used to maintain a moving average...DTrace has very powerful built-in support for various kinds of aggregations, including the support for maintaining an average value, But it doesn't have direct support for maintaining a moving average. Here's how to do it... [Read More]
( Oct 20 2006, 03:00:00 PM CEST ) Permalink