Now performance monitor is similar yet kind of

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Now Performance Monitor is similar yet kind of different than the two tools we've looked at already.With Performance Monitor, what we're able to do is collect data. And we have to specify which counters we want to collect data for. To do this, I come up to the plus icon and click on it. And then I have to specify which counters I want to include. For example, under processors, I could add percentage of processor time. I could also maybe go up to physical disk and add percent read time and percent write time. I could also access memory and add committed bytes in use. Now these are just examples. You can add whatever counters you really need to measure for a particular system.Click OK. And when I do, then each of these counters is measured and graphed over here for me.Gives me a nice overall feel for how the system is working. Now notice that it does not provide thisinformation on a per process basis, like we were looking at in Resource Monitor. Instead, what it does, is just kind of give me an overall picture of how the system is functioning for each these counters that I've added to the list. Now this is real time data that we're viewing right now. It tells me exactly what's going on at this moment in time. Now there may be times when you need to collect data over a specified period of time. Maybe you need to collect data during the busiest times of the day, say from 9 o'clock until noon. To do this, you can actually create a data collector
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set using these same counters that we specified here and let the system gather that data for you. And then you can review it later on and see if you need to make changes to the system based upon the results that you see. Reliability Monitor 11:00-13:01 Now there's one last tool that we need to look at for system monitoring. And that is the Reliability Monitor. I'm going to come down here into my search field, type reliability. And then in control panel, we'll view reliability history. And here's the Reliability Monitor. Now the Reliability Monitor checks your system for errors and problems. And based upon what it finds, it rates your system with a reliability scale, ranging from one to 10. Notice here it tells us that if we select a specific period in time, we can review the specific hardware and software problems that have impacted your system. You'll notice over here that there are different types of events listed. We have critical events that have a red X. You'll note that we had a red X yesterday and a red X today, indicating that something majorhappened. And we also have blue I icons over here that indicate that we have informational events.Informational events are not that serious. It's just basically saying hey this happened, it's not anything of concern. Whereas these red X's say hey something happened and it was of concern. For example, I've got today selected over here in blue. I could select a different day just by clicking on it. Today is the 10th of March, so I'm going to select it, and when I do, I can see all of the events that are being represented by these two icons.
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