Memory Usage

QND.Network.Kemp.LoadMaster.MemoryUsage.Monitor (UnitMonitor)

Element properties:

Source Code:

<UnitMonitor ID="QND.Network.Kemp.LoadMaster.MemoryUsage.Monitor" Accessibility="Public" Enabled="true" Target="QND.Network.Kemp.LoadMaster.Memory" ParentMonitorID="Health!System.Health.PerformanceState" Remotable="true" Priority="Normal" TypeID="NetworkMonitoring!System.NetworkManagement.ComputedThresholdMonitorType" ConfirmDelivery="false">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="QND.Network.Kemp.LoadMaster.MemoryUsage.AlertMessage">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Host/Property[Type="System!System.Entity"]/DisplayName$</AlertParameter1>

      <AlertParameter2>$Data/Context/Value$</AlertParameter2>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="OverThreshold" MonitorTypeStateID="MTSThresholdError" HealthState="Success"/>

    <!-- the logic is inverted Monitor type author has choosen a bad naming convention -->

    <OperationalState ID="UnderThreshold" MonitorTypeStateID="MTSThresholdSuccess" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <Interval>300</Interval>

    <NoOfRetries>3</NoOfRetries>

    <NumberOfSamples>3</NumberOfSamples>

    <Timeout>3500</Timeout>

    <SnmpVarBinds>

      <SnmpVarBind>

        <OID>.1.3.6.1.4.1.2021.4.5.0</OID>

        <!-- Total Real -->

        <Syntax>0</Syntax>

        <Value VariantType="8"/>

      </SnmpVarBind>

      <SnmpVarBind>

        <OID>.1.3.6.1.4.1.2021.4.6.0</OID>

        <!-- Free Real -->

        <Syntax>0</Syntax>

        <Value VariantType="8"/>

      </SnmpVarBind>

      <SnmpVarBind>

        <OID>.1.3.6.1.4.1.2021.4.14.0</OID>

        <!-- Buffers -->

        <Syntax>0</Syntax>

        <Value VariantType="8"/>

      </SnmpVarBind>

      <SnmpVarBind>

        <OID>.1.3.6.1.4.1.2021.4.15.0</OID>

        <!-- Cached -->

        <Syntax>0</Syntax>

        <Value VariantType="8"/>

      </SnmpVarBind>

    </SnmpVarBinds>

    <ComputedPerformanceValue>

      <Product>

        <NumericValue>

          <Division>

            <NumericValue>

              <Summation>

                <!-- Free Memory = Free Real + Buffers + Cached -->

                <NumericValue>

                  <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID=".1.3.6.1.4.1.2021.4.6.0"]/Value</XPathQuery>

                </NumericValue>

                <NumericValue>

                  <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID=".1.3.6.1.4.1.2021.4.14.0"]/Value</XPathQuery>

                </NumericValue>

                <NumericValue>

                  <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID=".1.3.6.1.4.1.2021.4.15.0"]/Value</XPathQuery>

                </NumericValue>

              </Summation>

            </NumericValue>

            <NumericValue>

              <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID=".1.3.6.1.4.1.2021.4.5.0"]/Value</XPathQuery>

            </NumericValue>

          </Division>

        </NumericValue>

        <NumericValue>

          <Value Type="Double">100.0</Value>

        </NumericValue>

      </Product>

    </ComputedPerformanceValue>

    <Threshold>15</Threshold>

    <ObjectName>Memory</ObjectName>

    <CounterName>% Memory Free</CounterName>

  </Configuration>

</UnitMonitor>