PUBLIC MARKS from solrac with tag and

Blaming bad code won't help you find performance bottlenecks and improve the speed of your Java apps, and neither will guessing. This article directs your attention to tools for Java performance monitoring, Here's five tips for using Java 5's built-in profiler, JConsole, to collect and analyze performance data.

Modern operating system kernels provide the means for introspection, the ability to peer dynamically within the kernel to understand its behaviors. With this knowledge, you can tune or modify the kernel to avoid failure conditions. Discover an open source infrastructure called SystemTap that provides this dynamic introspection for the Linux kernel.

Processors have evolved to improve performance for virtualized environments, but what about I/O aspects? Discover one such I/O performance enhancement called device (or PCI) passthrough. This innovation improves performance of PCI devices using hardware support from Intel (VT-d) or AMD (IOMMU).

This article looks specifically at the public cloud and how you can use the IBM WebSphere sMash and IBM DB2 Express-C Amazon Machine Images (AMI) at no charge to deliver Web applications hosted on the EC2 public cloud infrastructure. Learn how a business can leverage Cloud Computing to reduces costs associated with owning software.