I wanted to know exactly how much throughput I get from my new switch (HP ProcCurve 1400-24G) and found a network performance test tool that is available on many platforms – iPerf. I installed it on my Pc (Asus P5NSLI MB with dual-core Intel Pentium 4 3.4 GHz, a Raid 0 configuration, and a Marvell [...]

August 21, 2009 There is an old saying, “The jug goes to the well until it breaks”. The jug started to break as recent as last year, in March 2008. One of the large American investment firms, Bear Stearns, went belly-up in the wake of a crisis of the world’s financial markets. This crisis was [...]

When you have query that does complex calculations, maybe even has function calls in the select list select costly_function_A() as result_A, costly_function_B() as result_B from table_T and then you need to return the result of such a calculation, but also manipulate it further and return the result of this operation as well, select costly_function_A() as [...]

I installed the Synology Rackstation last night and so far I like it a lot. . I installed four Seagate Barracuda ST3500630AS (500GB each) and, let me tell you, this configuration is anything but quiet. I have it sitting in a 42U rack cabinet in my basement, which is now filled with the airplane-like hum [...]