An SSD can read and write data many times faster than the best mechanical hard drive. On the downside, flash memory is many times more expensive than the innards of a typical hard drive, so ...

The caching of content from disk storage to high-speed memory is a proven technology for reducing read latency and improving application-level performance. The problem with traditional caching, ...

It's a cool thing to have. But a worthy investment? Maybe not.

Object caching is an important piece in the design and development of Web portals. In a typical Web portal application, we need the frequently accessed data in a JVM's memory, but, at the same time, ...

Flash storage provides significantly more performance (IOPS and throughput) and lower latency than hard disk-based media. Of course, flash comes with a higher price tag – up to 10 times more than ...

This article is the second in a series on the design of the Reiser4 filesystem. The first article [LJ, December 2002] defined basic concepts: trees, nodes and items. This article explains why balanced ...

Before we can do any caching, we need something to cache. Here's a simple DataProvider class that has a couple of expensive operations in its interface: /** * @author adrian at aspectprogrammer.org * ...

Two NX-3500 WAN-optimization devices from Silver Peak Systems performed admirably under testing, and we suspect that 2-year-old Silver Peak will become a major contender in the WAN-optimization market ...