MSSQL on Linux: Log bytes written/sec

Microsoft.SQLServer.Linux.CollectionRule.DBEngine.XtpTransactionLog_LogBytesWrittenSec (Rule)

Collects the Linux "Log bytes written/sec" performance counter for XTP transaction logging in SQL Server.

Knowledge Base article:

Summary

The rule collects the Linux "Log bytes written/sec" performance counter for XTP transaction logging in SQL Server.

The XTP Transaction Log performance object contains counters related to XTP transaction logging in SQL Server.

Log bytes written/sec - The number of bytes written to the SQL Server transaction log by the XTP engine (on average), per second.

Overrideable Parameters

Name	Description	Default Value
Enabled	Enables or disables the workflow.	Yes
Interval (seconds)	The recurring interval of time in seconds in which to run the workflow.	900
Timeout (seconds)	Specifies the time the workflow is allowed to run before being closed and marked as failed.	300
Timeout for database connection (seconds)	The workflow will fail and register an event, if it cannot access the database during the specified period.	15

Element properties:

Target	Microsoft.SQLServer.Linux.DBEngine
Category	PerformanceCollection
Enabled	True
Alert Generate	False
Remotable	True

Member Modules:

ID	Module Type	TypeId	RunAs
DS	DataSource	Microsoft.SQLServer.Linux.DataSource.SqlOsPerformanceReader	Default
PerfMapper	ConditionDetection	System.Performance.DataGenericMapper	Default
WriteToDB	WriteAction	Microsoft.SystemCenter.CollectPerformanceData	Default
WriteToDW	WriteAction	Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData	Default

Source Code:

<Rule ID="Microsoft.SQLServer.Linux.CollectionRule.DBEngine.XtpTransactionLog_LogBytesWrittenSec" Target="SqlDiscL!Microsoft.SQLServer.Linux.DBEngine" Enabled="true">

  <Category>PerformanceCollection</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="Microsoft.SQLServer.Linux.DataSource.SqlOsPerformanceReader">

      <MachineName>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/MachineName$</MachineName>

      <InstanceName>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/InstanceName$</InstanceName>

      <ConnectionString>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/ConnectionString$</ConnectionString>

      <SqlTimeoutSeconds>15</SqlTimeoutSeconds>

      <TimeoutSeconds>300</TimeoutSeconds>

      <IntervalSeconds>900</IntervalSeconds>

      <ObjectName>SQL Server 2017 XTP Transaction Log</ObjectName>

      <PerfInstanceName>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/InstanceName$</PerfInstanceName>

      <PerfParams>

        <NameOfHandler>SqlOsPerfCounterReader</NameOfHandler>

        <PerformanceCounterObject>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/PerformanceCounterObject$</PerformanceCounterObject>

        <CounterConfig>

          <CategoryName>SQL Server 2017 XTP Transaction Log</CategoryName>

          <CounterName>Log bytes written/sec</CounterName>

          <BaseCounterName/>

          <InstanceSelector>3</InstanceSelector>

          <NeedsPrefix>0</NeedsPrefix>

          <InstanceIndex>1</InstanceIndex>

        </CounterConfig>

      </PerfParams>

    </DataSource>

  </DataSources>

  <ConditionDetection ID="PerfMapper" TypeID="SystemPerf!System.Performance.DataGenericMapper">

    <ObjectName>SQL DB Engine:Log bytes written/sec</ObjectName>

    <CounterName>Log bytes written/sec</CounterName>

    <InstanceName/>

    <Value>$Data/Property[@Name='CounterValue']$</Value>

  </ConditionDetection>

  <WriteActions>

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

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

  </WriteActions>

</Rule>