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Graphics Interchange Format  |  2000-03-03  |  4.7 KB  |  313x242  |  4-bit (6 colors)
   ocr: aI 70+ 60+ 50+ 40+ Mourlyavengt - 30+ 2 20+ - - 10+ JITTT 5TT - - - - - - - - - - 2 1w-mnute interals FIGURE 2:The spikes in this I/O activity data for Disk 123 show the importance of measuringl/O at frequent intervals. They represent short- duration bottlenecks that you: might not notice if the system had gathered data at. less-frequent intervals or if it had simply been averaged over the hour, rather than examinedin detail.