Mithun's Memoirs

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Wednesday Nov 19, 2008

Solaris kernel statistics with libkstat

The Solaris operating system kernel provides a set of functions and data structures for device drivers and other kernel modules to export module-specific statistics to the outside world. This infrastructure,is referred to as kstat, provided by they library - libkstat. The Solaris libkstat library contains the C-language functions for accessing kstats from an application. The following blog post demonstrates how the memory statistics could be gathered and consumed in a real-world situation. Detailed explanations are not available, but a the source code provided herewith and the references provided should suffice.

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Posted at 11:42AM Nov 19, 2008 by mithun in Code Camp  |  Comments[0]

Friday Nov 14, 2008

Virtualization for dummies

Virtualization is one of those buzzwords that is being freely floated around the industry left and right, and can mean so many different things to so many different people. Virtualization technology is a way of making a physical computer function as if it were two or more computers or even a totally different computer altogether.Growing user demand for 24/7 access to fast-response systems stretches the capabilities of any datacenter. Server virtualization can help you meet that demand by enabling servers to run multiple operating systems and multiple applications. With virtualization, datacenters can grow so quickly and cost-effectively that you may not even need more hardware, space, cooling capacity, or electricity to meet that growing demand.

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Posted at 01:17PM Nov 14, 2008 by mithun in Sun  |  Comments[1]