It was noticed during siebel repository import in an Oracle Database 11.2.0.3, most of database wait time was log file switch. srvrupgwiz /m master_imprep.ucf  …

  This document describes how you can play your divx/xvid files with a high definition resizer with ffdshow codecs / filters. The example is with mplayer (media player classic) but you can easily configure this codec / filters with your favourite movies player (ex. Zoom player). The result is similar with h264/x264 720p-1080p content or…

  Setting up a load balanced mysql cluster with only two servers.  This document is a how to for installing mysql 5 cluster with only two server machines. Our cluster combines two data nodes:two management nodes and two mysql nodes. Every machine has 1 data node,1 management node, and 1 mysql server. To avoid network…

Solaris 10 zones Howto   Solaris Containers—Sun’s operating system virtualization technique—consists of several technologies that work together to foster improved resource management and isolate the environment from the underlying OS. With Solaris Containers, organizations can determine how to allocate resources among applications and services, and ensure they do not interfere with one another….

Clustered systems provide reliability, scalability, and availability to critical production services. Redhat cluster suite can be used in many configurations in order to provide high availability, scalability, load balancing, file sharing, high performance. A cluster is two or more computers (called nodes or members) that work together to perform a task. There are four major…

You need to have two or more NICs on your server and multiple distribution switches on network in order to have a redundant network connection for your server. Depending on the operating system your server is running, different configurations (and names) are used. There are usualy two possible schemes to do this, one using load…

This document is a summary or outline of Sun's document: Tuning Garbage collection with the 1.4.2 Hotspot JVM located here: http://java.sun.com/docs/hotspot/gc1.4.2/   1.0 Introduction For many applications garbage collection performance is not significant Default collector should be first choice…

ok, you've just got your new dedicated server running plesk, and you're ready to start making changes to boost your server's performance a little bit. Here is a quick (but not dirty) quide to do this: enable output compression increase number of apache processes find out possible slow sql queries…

Here are some system statistics that you might find useful!…

Data Generator – Generates Data for Testing Purposes at AdGlobe Tech Blog The link above is a script I found today that seems really useful if you build database applications.