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MySQL Server Key Cache Write Percent Collection

Microsoft.MySQLServer.ManagedServer.Unix.KeyCacheWritePct.Collection (Rule)

This rule collects the current percent of writes on the Key Cache

Knowledge Base article:

Summary

This rule collects performance data for the MySQL Server\ Key Cache Write Pct performance counter. The collected values are accessible in performance views. This metric exposes the total percentage of key cache writes by the MySQL Server.

Element properties:

TargetMicrosoft.MySQLServer.ManagedServer.Unix
CategoryPerformanceCollection
EnabledTrue
Alert GenerateFalse
RemotableTrue

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource Microsoft.Oss.WSMan.PerfCounterProvider Default
WriteToDB WriteAction Microsoft.SystemCenter.CollectPerformanceData Default
WriteToDW WriteAction Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData Default

Source Code:

<Rule ID="Microsoft.MySQLServer.ManagedServer.Unix.KeyCacheWritePct.Collection" Target="Microsoft.MySQLServer.ManagedServer.Unix" Remotable="true" Enabled="onStandardMonitoring">

  <Category>PerformanceCollection</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="Oss!Microsoft.Oss.WSMan.PerfCounterProvider">

      <Interval>300</Interval>

      <TargetSystem>$Target/Host/Property[Type="Unix!Microsoft.Unix.Computer"]/NetworkName$</TargetSystem>

      <Uri>http://schemas.microsoft.com/wbem/wscim/1/cim-schema/2/MySQL_ServerStatistics?__cimnamespace=root/mysql</Uri>

      <Filter/>

      <SplitItems>true</SplitItems>

      <ObjectName>MySQL Server</ObjectName>

      <CounterName>Key Cache Write Pct</CounterName>

      <InstanceName>$Data/WsManData/*[local-name(.)='MySQL_ServerStatistics']/*[local-name(.)='InstanceID']$</InstanceName>

      <Value>$Data/WsManData/*[local-name(.)='MySQL_ServerStatistics']/*[local-name(.)='KeyCacheWritePct']$</Value>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="WriteToDB" TypeID="SC!Microsoft.SystemCenter.CollectPerformanceData"/>

    <WriteAction ID="WriteToDW" TypeID="SCDW!Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData"/>

  </WriteActions>

</Rule>