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    Q: Power usage of PSUs?

    Let's say there is a 500W power supply unit. Does it mean the maximum power it can supply to components is 500W? Does it constantly use 500W and dissipate remaining energy as heat is the sum of components only requires 300W? In other words I am wondering if replacing a PSU to a...
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    Unix host performance logging and graphing software

    My organization uses a home-brew script to log (cron + prstat + vmstat + ps) system performance. Every quarter we use a huge python script to parse and feed the data to gnuplot to create graphs for performance evaluation meetings. The scripts have been patched and modified numerous times...