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MySQL Server Table Lock Contention Percent Collection

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

This rule collects the current percent of table lock contentions

Knowledge Base article:

Summary

This rule collects performance data for the MySQL Server\ Table Cache Lock Contention Pct performance counter. The collected values are accessible in performance views. This metric exposes the total percentage of table cache lock contention for 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.TableLockContentionPct.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>Table Lock Contention Pct</CounterName>

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

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

    </DataSource>

  </DataSources>

  <WriteActions>

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

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

  </WriteActions>

</Rule>