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DB Log Files Performance

Microsoft.SQLServer.Linux.Rollup.Database.DBLogFileToDatabasePerformance (DependencyMonitor)

Rolls up all DB Log files performance monitors to the database.

Knowledge Base article:

Summary

This monitor is a rollup of performance monitoring for all DB Log files hosted on this database. If the state is unknown, the monitoring has not been initialized yet.

Causes

Unhealthy state for this monitor indicates a problem with performance of DB Log files hosted on this database. View all current alerts for this database using this link:

View Alerts

Resolutions

Use the health explorer to drill down and find the cause of the unhealthy state. Use the knowledge on the specific monitor causing the issue to troubleshoot and fix the problem.

Overridable Parameters

Name

Description

Default Value

Alert Priority

Defines Alert Priority.

Normal

Alert Severity

Defines Alert Severity.

Match monitor’s health

Enabled

Enables or disables the workflow.

Yes

Generates Alerts

Defines whether the workflow generates an Alert.

Yes

Element properties:

TargetMicrosoft.SQLServer.Linux.Database
Parent MonitorSystem.Health.PerformanceState
AlgorithmBestOf
Source MonitorSystem.Health.PerformanceState
RelationshipMicrosoft.SQLServer.Linux.DatabaseHostsDBLogFile
CategoryPerformanceHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
RemotableTrue
AccessibilityPublic
Alert Message
MSSQL on Linux: Log files are running out of space
The database "{2}" on SQL Server instance "{1}", computer "{0}" is running out of log file space. See the knowledge section for more details.

Source Code:

<DependencyMonitor ID="Microsoft.SQLServer.Linux.Rollup.Database.DBLogFileToDatabasePerformance" Target="SqlDiscL!Microsoft.SQLServer.Linux.Database" ParentMonitorID="Health!System.Health.PerformanceState" RelationshipType="SqlDiscL!Microsoft.SQLServer.Linux.DatabaseHostsDBLogFile" MemberMonitor="Health!System.Health.PerformanceState" Accessibility="Public" Enabled="true" Remotable="true" Priority="Normal">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="Microsoft.SQLServer.Linux.Rollup.Database.DBLogFileToDatabasePerformance.AlertMessageResourceID">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/MachineName$</AlertParameter1>

      <AlertParameter2>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/InstanceName$</AlertParameter2>

      <AlertParameter3>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.Database"]/DatabaseName$</AlertParameter3>

    </AlertParameters>

  </AlertSettings>

  <Algorithm>BestOf</Algorithm>

  <MemberUnAvailable>Error</MemberUnAvailable>

</DependencyMonitor>