http://www.devshed.com BrainDump - RSS Feeds en-us Thu, 26 Nov 2009 07:43:24 -0500 Thu, 26 Nov 2009 07:43:24 -0500 Tue, 24 Nov 2009 11:56:32 -0500 http://www.devshed.com/c/a/BrainDump/Replacing-Oracle-with-PostgreSQL/?kc=rss - PostgreSQL is known for its transactional power and for years has been treated as an afterthought when considering enterprise database development. However, a company called EnterpriseDB is attempting to expound on the joys of using PostgreSQL. EnterpriseDB is the leader in developing open-source...]]> http://www.devshed.com/c/a/BrainDump/Replacing-Oracle-with-PostgreSQL/?kc=rss Thu, 29 Oct 2009 09:00:01 -0400 http://www.devshed.com/c/a/BrainDump/Demystifying-SELinux-on-Kernel-26/?kc=rss - Before we begin, first we need to understand what kind of access control we're talking about, and then we can easily comprehend how quot;mandatory access control quot; (MAC) tries to accomplish our aims. The operating system has the ability to examine the course of an action that an quot;initiator...]]> http://www.devshed.com/c/a/BrainDump/Demystifying-SELinux-on-Kernel-26/?kc=rss Tue, 28 Jul 2009 20:26:10 -0400 http://www.devshed.com/c/a/BrainDump/Yahoo-and-Microsoft-Create-Ad-Partnership-07270901/?kc=rss - Yahoo!, once a giant of the search engine world has joined an alliance with Microsoft and one assumes the Bing search engine. While details are not available yet on what this means to Yahoo's earnings, the stock is up about 1.6% in after-hours trading at 8PM Tuesday evening. Last year, Microsof...]]> http://www.devshed.com/c/a/BrainDump/Yahoo-and-Microsoft-Create-Ad-Partnership-07270901/?kc=rss Thu, 09 Jul 2009 09:00:46 -0400 http://www.devshed.com/c/a/BrainDump/The-Advantages-of-Obscure-Open-Source-Browsers/?kc=rss - What are some of the advantages to checking out a non mainstream web browser? First, you will get to see your favorite web sites, or any sites that you happen to own, in a whole new way. If you've only ever viewed pages through one browser, then you may not know that different rendering engines wil...]]> http://www.devshed.com/c/a/BrainDump/The-Advantages-of-Obscure-Open-Source-Browsers/?kc=rss Wed, 08 Jul 2009 11:33:52 -0400 http://www.devshed.com/c/a/BrainDump/Dell-Announces-Digital-Forensics-Service/?kc=rss - Dell's Forensics Service, based on a partnership with Intel, provides police with a helpful set of tools to help analyze crime scenes, gather more specific evidence and track data in a self-hosted environment. With this set of forensic tools, Dell hopes to help police use computer technology to ga...]]> http://www.devshed.com/c/a/BrainDump/Dell-Announces-Digital-Forensics-Service/?kc=rss Thu, 02 Jul 2009 23:48:56 -0400 http://www.devshed.com/c/a/BrainDump/Milepost-GCC-Speeds-OpenSource-Development/?kc=rss - SmarterTechnology reports that the Milepost project at www.milepost.eu, in conjunction with IBM Research, has developed an intelligent, open-source compiler that essentially uses collaborative development as it's source to produce compiled code 10x faster. Yes, your compiler has joined the BORG, bu...]]> http://www.devshed.com/c/a/BrainDump/Milepost-GCC-Speeds-OpenSource-Development/?kc=rss Fri, 12 Jun 2009 15:57:23 -0400 http://www.devshed.com/c/a/BrainDump/Learn-These-10-Programming-Languages/?kc=rss - Topping the list of eWeek's top 10 programming languages were four open-source languages, and only 2 our of the 10 were Microsoft based languages (C# and VB.Net, specifically). Rothberg gives some depth to the article as well, explaining in brief why each language was chosen and showing the number...]]> http://www.devshed.com/c/a/BrainDump/Learn-These-10-Programming-Languages/?kc=rss Thu, 12 Mar 2009 09:00:46 -0400 http://www.devshed.com/c/a/BrainDump/Tomcat-Capacity-Planning/?kc=rss - Precompiling JSPs at build time using JspC Here are some valid (as of the time of this writing) reasons for doing build-time precompilation of JSPs: You need all the performance you can squeeze out of your webapp, and build-time compiled JSPs run faster than JSPs that are compiled inside T...]]> http://www.devshed.com/c/a/BrainDump/Tomcat-Capacity-Planning/?kc=rss Thu, 05 Mar 2009 09:00:18 -0500 http://www.devshed.com/c/a/BrainDump/Internal-and-External-Performance-Tuning-with-Tomcat/?kc=rss - External Tuning Once youve got an idea how your application and Tomcat instance respond to load, you can begin some performance tuning. There are two basic categories of tuning detailed here: External tuning Tuning that involves non-Tomcat components, such as the operating system t...]]> http://www.devshed.com/c/a/BrainDump/Internal-and-External-Performance-Tuning-with-Tomcat/?kc=rss Thu, 26 Feb 2009 09:00:48 -0500 http://www.devshed.com/c/a/BrainDump/Tomcat-Benchmark-Procedure/?kc=rss - Benchmark procedure We benchmarked two different types of static resource requests: small text files and 9k image files. For both of these types of benchmark tests, we set the server to be able to handle at least 150 concurrent client connections, and set the benchmark client to open no more than ...]]> http://www.devshed.com/c/a/BrainDump/Tomcat-Benchmark-Procedure/?kc=rss Thu, 19 Feb 2009 09:00:47 -0500 http://www.devshed.com/c/a/BrainDump/Benchmarking-Tomcat-Performance/?kc=rss - Apache Jakarta JMeter JMeter can be run in either graphical mode or in text-only mode. You may run JMeter test plans in either mode, but you must create the test plans in graphical mode. The test plans are stored as XML configuration documents. If you need to change only a single numeric or string...]]> http://www.devshed.com/c/a/BrainDump/Benchmarking-Tomcat-Performance/?kc=rss Thu, 12 Feb 2009 09:00:46 -0500 http://www.devshed.com/c/a/BrainDump/Tomcat-Performance-Tuning/?kc=rss - Once you have Tomcat up and running, you will likely want to do some performance tuning so that it serves requests more efficiently on your computer. In this chapter, we give you some ideas on performance tuning the underlying Java runtime and the Tomcat server itself. The art of tuning a server i...]]> http://www.devshed.com/c/a/BrainDump/Tomcat-Performance-Tuning/?kc=rss Tue, 27 Jan 2009 09:00:46 -0500 http://www.devshed.com/c/a/BrainDump/Wubi-Windowsbased-Ubuntu-Installer/?kc=rss - I'm not saying that Ubuntus default installer isnt easy; in fact, it is. Wubi, however, tries to give users another option for test-driving the operating system. Installing Ubuntu via Wubi is a seamless, discreet process that is also fast, safe, and very simple. Obviously, its free of charge, ju...]]> http://www.devshed.com/c/a/BrainDump/Wubi-Windowsbased-Ubuntu-Installer/?kc=rss Thu, 08 Jan 2009 09:00:46 -0500 http://www.devshed.com/c/a/BrainDump/Configuring-and-Optimizing-Your-IO-Scheduler/?kc=rss - Selecting and Configuring Your I/O Scheduler The default I/O scheduler is selectable at boot time via the iosched kernel command-line parameter. Valid options are as, cfq, deadline, and noop. The I/O scheduler is also runtime-selectable on a per-device basis via /sys/block/device/queue/scheduler, ...]]> http://www.devshed.com/c/a/BrainDump/Configuring-and-Optimizing-Your-IO-Scheduler/?kc=rss Wed, 31 Dec 2008 09:00:46 -0500 http://www.devshed.com/c/a/BrainDump/Linux-IO-Schedulers/?kc=rss - I/O Schedulers and I/O Performance In a modern system, the relative performance gap between disks and the rest of the system is quite large and widening. The worst component of disk performance is the process of moving the read/write head from one part of the disk to another, an operation known as...]]> http://www.devshed.com/c/a/BrainDump/Linux-IO-Schedulers/?kc=rss