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215 lines
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<meta name="DC.Title" content="Select the metrics" />
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<meta name="abstract" content="For each type of monitor, Management Central offers several measurements, known as metrics, to help you pinpoint different aspects of system activity. A metric is a measurement of a particular characteristic of a system resource or the performance of a program or a system." />
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<title>Select the metrics</title>
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<body id="rzaihjobmonmetrics"><a name="rzaihjobmonmetrics"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Select the metrics</h1>
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<div><p>For each type of monitor, Management Central offers several measurements,
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known as <dfn class="term">metrics</dfn>, to help you pinpoint different aspects of system
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activity. A metric is a measurement of a particular characteristic of a system
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resource or the performance of a program or a system.</p>
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<p>For a <dfn class="term">system monitor</dfn>, you can select from a wide range of
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available metrics, such as CPU utilization, interactive response time, transaction
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rate, disk arm utilization, disk storage, disk IOP utilization, and more.</p>
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<p>For a <dfn class="term">message monitor</dfn>, you can specify one or more message
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IDs, message types, severity levels. You can also select from a list of predefined
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sets of messages that are associated with a specific type of problem, such
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as a communications link problem, a cabling or hardware problem, or a modem
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problem.</p>
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<p>For a <dfn class="term">file monitor</dfn>, you can select to monitor files across
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multiple endpoint systems for a specified text string or for a specified size.
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Or, you can select to trigger an event whenever a specified file has been
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modified. You can select one or more files to be monitored, or you can select
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the <span class="uicontrol">History log</span> option, which will monitor the i5/OS™ history
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log (QHST).</p>
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<p>For a <dfn class="term">job monitor</dfn>, available metrics include job count, job
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status, job log messages, CPU utilization, logical I/O rate, disk I/O rate,
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communications I/O rate, transaction rate, and more.</p>
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<p>The Metrics page in the New Monitor window allows you to view and change
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the metrics that you want to monitor. To access this page, click <span class="uicontrol">Monitors</span>,
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right-click the type of monitor you want to create (for example, <span class="uicontrol">Job</span>),
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and then click <span class="uicontrol">New Monitor</span>. Fill in the required fields,
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and then click the <span class="uicontrol">Metrics</span> tab.</p>
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<p>Use the online help to assist you in selecting your metrics. Remember to
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specify threshold values that allow you to be notified and to specify actions
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to be taken when a certain value (called the trigger value) is reached.</p>
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<div class="section"><h4 class="sectiontitle">Job monitor metrics</h4><p>You can use any metric, a group
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of metrics, or all the metrics from the list to be included in your monitor.
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Metrics you can use in a job monitor include the following:</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="void" border="0" rules="none"><tbody><tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e68"> Job Count</th>
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<td valign="top" width="75.43859649122807%" headers="d0e68 ">Monitor for a specific number of jobs matching the job selection.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e73"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e73 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e78"> Job Status</th>
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<td valign="top" width="75.43859649122807%" headers="d0e78 ">Monitor for jobs in any selected status, such as Completed, Disconnected,
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Ending, Held while running, or Initial thread held. <div class="remember"><span class="remembertitle">Remember:</span> <img src="./delta.gif" alt="Start of change" />Metrics
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for job status can affect performance. Limit the number of jobs
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that you are monitoring to 40.<img src="./deltaend.gif" alt="End of change" /></div>
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</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e85"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e85 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e90"> Job Log Messages</th>
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<td valign="top" width="75.43859649122807%" headers="d0e90 ">Monitor for messages based on any combination of Message ID, Type,
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and Minimum severity. </td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section"><h4 class="sectiontitle">Job numeric values</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="void" border="0" rules="none"><tbody><tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e103">CPU Utilization</th>
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<td valign="top" width="75.43859649122807%" headers="d0e103 ">The percentage of available processing unit time used by all jobs that
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are included by this monitor on this system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e108"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e108 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e113">Logical I/O Rate</th>
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<td valign="top" width="75.43859649122807%" headers="d0e113 ">The number of logical I/O actions, per second, by each job that is
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being monitored on this system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e118"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e118 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e123">Disk I/O Rate</th>
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<td valign="top" width="75.43859649122807%" headers="d0e123 ">The average number of I/O operations, per second, performed by each
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job that is being monitored on this system. The value in this column is the
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sum of the asynchronous and synchronous disk I/O operations.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e128"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e128 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e133">Communications I/O Rate</th>
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<td valign="top" width="75.43859649122807%" headers="d0e133 ">The number of communications I/O actions, per second, by each job that
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is being monitored on this system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e138"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e138 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e143">Transaction Rate</th>
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<td valign="top" width="75.43859649122807%" headers="d0e143 ">The number of transactions per second by each job that is being monitored
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on this system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e148"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e148 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e153">Transaction Time</th>
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<td valign="top" width="75.43859649122807%" headers="d0e153 ">The total transaction time for each job that is being monitored on
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this system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e158"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e158 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e163">Thread Count</th>
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<td valign="top" width="75.43859649122807%" headers="d0e163 ">The number of active threads in each job that is being monitored on
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this system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e168"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e168 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e173">Page Fault Rate</th>
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<td valign="top" width="75.43859649122807%" headers="d0e173 ">The average number of times, per second, that an active program in
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each job that is being monitored on this system refers to an address that
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is not in main storage.</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section"><h4 class="sectiontitle">Summary numeric values</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="void" border="0" rules="none"><tbody><tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e186">CPU Utilization</th>
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<td valign="top" width="75.43859649122807%" headers="d0e186 ">The percentage of available processing unit time used by all jobs monitored
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on this system. For multiple-processor systems, this is the average percent
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busy for all processors.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e191"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e191 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e196">Logical I/O Rate</th>
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<td valign="top" width="75.43859649122807%" headers="d0e196 ">The number of logical I/O actions, per second, by all jobs monitored
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on this system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e201"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e201 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e206">Disk I/O Rate</th>
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<td valign="top" width="75.43859649122807%" headers="d0e206 ">The average number of I/O operations, per second, performed by all
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jobs monitored on this system. The value in this column is the sum of the
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asynchronous and synchronous disk I/O operations.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e211"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e211 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e216">Communications I/O Rate</th>
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<td valign="top" width="75.43859649122807%" headers="d0e216 ">The number of communications I/O actions, per second, by all jobs monitored
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on this system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e221"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e221 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e226">Transaction Rate</th>
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<td valign="top" width="75.43859649122807%" headers="d0e226 ">The number of transactions per second by all jobs monitored on this
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system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e231"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e231 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e236">Transaction Time</th>
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<td valign="top" width="75.43859649122807%" headers="d0e236 ">The total transaction time for all jobs monitored on this system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e241"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e241 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e246">Thread Count</th>
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<td valign="top" width="75.43859649122807%" headers="d0e246 ">The number of active threads for all jobs monitored on this system.</td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e251"> </th>
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<td valign="top" width="75.43859649122807%" headers="d0e251 "> </td>
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</tr>
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<tr><th align="left" valign="top" width="24.561403508771928%" class="firstcol" id="d0e256">Page Fault Rate</th>
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<td valign="top" width="75.43859649122807%" headers="d0e256 ">The average number of times, per second, that active programs in all
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jobs monitored on this system refer to an address that is not in main storage.</td>
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</tr>
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</tbody>
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</table>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaihjobmoncreate.htm" title="Creating a new monitor is a quick and easy process that begins at the New Monitor window. In iSeries Navigator, expand Management Central, expand Monitors, right-click the type of monitor you want to create (for example, Job), and then click New Monitor.">Create a new monitor</a></div>
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<div class="nextlink"><strong>Next topic:</strong> <a href="rzaihjobmonthreshold.htm" title="Setting a threshold for a metric that is being collected by a monitor allows you to be notified and, optionally, to specify actions to be taken when a certain value (called the trigger value) is reached. You can also specify actions to be taken when a second value (called the reset value) is reached.">Specify the threshold values</a></div>
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