Should We Upgrade Comptia A+ Test Online Computer Training Here

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In the Performance Monitor window, click the Add button on the toolbar. In the Add Counters dialog box, specify the following performance objects and counters: Select Network

Interface from the Performance Object drop-down list, select Bytes Total/Sec in the counter list box, select , and click Add.

Select TCPv4 from the Performance Object drop-down list, select Segments/Sec from the counter list box, and click Add. Click OK. You should see these counters added to your

chart.

To generate some activity, open Internet Explorer and visit a few websites. Note the data collected by mcitp course your counters. Leave

Reliability and Performance Monitor open; you will use this utility again in Exercise 11.5.

As explained earlier in this chapter, baselines show how your server is performing at a certain time. By taking baselines at regular intervals and also whenever you make changes

to the sys- tem’s configuration, you can monitor your workstation’s performance over time. You can create baselines by setting up a counter log file in the Reliability ...
... and

Performance Monitor utility. After you’ve created the baseline log file, you can view it in Performance Mon- itor, as shown in Figure 11.14.

In the Performance Monitor window, expand Data Collector Sets, right-click User Defined, select New, and click Data Collector Set. In the Create New Data Collector Set dialog

box, type Counter mmddyy (replace mmddyy with the current month, date, and year) as the log name. Select Create Manually (Advanced), and click the Next button.

Select Create Data Logs, and select the check box next to Performance Counter. Click Next to continue. Click the Add button. Add the following counters: Click OK, and set the

interval for sampling data to 5 seconds. Click Next to continue.

Specify the location where you want to save your log file. By default, the file will be stored in C:\PerfLogs if Windows Vista is installed on C:. Click Next to continue. Click

Start This Data Collector Set Now, then click Finish.

Generate some system activity: start and stop some applications, copy a few files, and browse websites using Internet Explorer for 1 or 2 minutes.Stop the data collection by

right-clicking Counter mmddyy and clicking Stop.

To view your log file, click Performance Monitor, then click the View Log Data icon in the mcitp: server administrator Performance Monitor

toolbar. Select Log Files, click Add, then double-click on the Counter mmddyy folder and subfolder until you see your log file. Select the log file and click Open. Click OK to

continue. Add the counters from the log file you created to see the data that was collected in your log.

The goal of monitoring system performance is to manage system performance. The system monitoring tools are designed to use minimal system resources; however, the following con-

figurations can increase system overhead when you are using system monitoring tools: You run Reliability and Performance Monitor in graph mode, which uses more resources. You

configure sampling to run at very frequent intervals (more than once every three seconds).