MSSQL on Linux: SQL Re-Compilations per Second

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

Collects the Linux "SQL Recompiles per Second" performance counter for each instance of SQL DB Engine on Linux.

Knowledge Base article:

Summary

Number of statement recompiles per second. Counts the number of times statement recompiles are triggered. Generally, you want the recompiles to be low.

Overridable 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 query execution (seconds)

The workflow will fail and register an event, if the query execution takes longer than the specified period.

60

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:

TargetMicrosoft.SQLServer.Linux.DBEngine
CategoryPerformanceCollection
EnabledTrue
Alert GenerateFalse
RemotableTrue

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.SQLRecompilationsPerSecond" Enabled="true" Target="SqlDiscL!Microsoft.SQLServer.Linux.DBEngine">
<Category>PerformanceCollection</Category>
<DataSources>
<DataSource ID="DS" TypeID="Microsoft.SQLServer.Linux.DataSource.SqlOsPerformanceReader">
<MachineName>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/MachineName$</MachineName>
<NetbiosComputerName>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/NetbiosComputerName$</NetbiosComputerName>
<InstanceName>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/InstanceName$</InstanceName>
<ConnectionString>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/ConnectionString$</ConnectionString>
<InstanceVersion>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/Version$</InstanceVersion>
<InstanceEdition>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/Edition$</InstanceEdition>
<SqlExecTimeoutSeconds>60</SqlExecTimeoutSeconds>
<SqlTimeoutSeconds>15</SqlTimeoutSeconds>
<TimeoutSeconds>300</TimeoutSeconds>
<IntervalSeconds>900</IntervalSeconds>
<ObjectName>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/PerformanceCounterObject$:SQL Statistics</ObjectName>
<PerfInstanceName/>
<PerfParams>
<NameOfHandler>SqlOsPerfCounterReader</NameOfHandler>
<PerformanceCounterObject>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/PerformanceCounterObject$</PerformanceCounterObject>
<CounterConfig>
<CategoryName>SQL Statistics</CategoryName>
<CounterName>SQL Re-Compilations/sec</CounterName>
<BaseCounterName/>
<InstanceSelector>2</InstanceSelector>
<NeedsPrefix>1</NeedsPrefix>
<InstanceIndex>0</InstanceIndex>
</CounterConfig>
</PerfParams>
</DataSource>
</DataSources>
<ConditionDetection ID="PerfMapper" TypeID="SystemPerf!System.Performance.DataGenericMapper">
<ObjectName>SQL DB Engine:SQL Statistics</ObjectName>
<CounterName>SQL Re-Compilations/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>