Start-ThreadJob Start ThreadJob Starts a PowerShell job in a separate thread This command starts a PowerShell job running in a separate thread. It is similar to the 'Start-Job' command, except that it runs the job in a different thread instead of a child process. Consequently, it uses fewer resources for each job. Start-ThreadJob FilePath Specifies an optional filepath to script for the job to run. String String None ArgumentList Provides an optional list of arguments to be used in the job script. Object[] Object[] None InitializationScript Optional script block for script to be run before the job script or file is run. ScriptBlock ScriptBlock None InputObject Optional pipeline input to be processed in the running job. PSObject PSObject None Name Optional of the job created to run the script. String String None StreamingHost Optional host object to which job output can directed. PSHost PSHost None ThrottleLimit Optional value that determines the maximum number of thread jobs that can run at one time. If jobs are created that exceed this value, then those jobs are save in a queue until one or more running jobs complete, after which a new job will be started running. Int32 Int32 5 Start-ThreadJob ScriptBlock Script block that is run in the thread job. ScriptBlock ScriptBlock None ArgumentList Provides an optional list of arguments to be used in the job script. Object[] Object[] None InitializationScript Optional script block for script to be run before the job script or file is run. ScriptBlock ScriptBlock None InputObject Optional pipeline input to be processed in the running job. PSObject PSObject None Name Optional of the job created to run the script. String String None StreamingHost Optional host object to which job output can directed. PSHost PSHost None ThrottleLimit Optional value that determines the maximum number of thread jobs that can run at one time. If jobs are created that exceed this value, then those jobs are save in a queue until one or more running jobs complete, after which a new job will be started running. Int32 Int32 5 ArgumentList Provides an optional list of arguments to be used in the job script. Object[] Object[] None FilePath Specifies an optional filepath to script for the job to run. String String None InitializationScript Optional script block for script to be run before the job script or file is run. ScriptBlock ScriptBlock None InputObject Optional pipeline input to be processed in the running job. PSObject PSObject None Name Optional of the job created to run the script. String String None ScriptBlock Script block that is run in the thread job. ScriptBlock ScriptBlock None StreamingHost Optional host object to which job output can directed. PSHost PSHost None ThrottleLimit Optional value that determines the maximum number of thread jobs that can run at one time. If jobs are created that exceed this value, then those jobs are save in a queue until one or more running jobs complete, after which a new job will be started running. Int32 Int32 5 System.Management.Automation.PSObject Microsoft.PowerShell.ThreadJob.ThreadJob -------------------------- Example 1 -------------------------- PS C:\> $job = Start-ThreadJob -ScriptBlock { 1..5 | foreach { "Output: $_"; sleep 1 }} PS C:\> $job Id Name PSJobTypeName State HasMoreData Location Command -- ---- ------------- ----- ----------- -------- ------- 1 Job1 ThreadJob Running False PowerShell 1..5 | foreach { $job | Wait-Job | Receive-Job Output: 1 Output: 2 Output: 3 Output: 4 Output: 5 PS C:\> $job Id Name PSJobTypeName State HasMoreData Location Command -- ---- ------------- ----- ----------- -------- ------- 1 Job1 ThreadJob Completed False PowerShell 1..5 | foreach { This example starts a simple job script running in a separate thread. It then uses the 'Wait-Job' and 'Receive-Job' commands to wait for the job to complete and then return output. -------------------------- Example 2 -------------------------- PS C:\> $jobs = 1..5 | foreach { Start-ThreadJob -ScriptBlock { 1..10 | foreach { sleep 1; "Job Done" } } -ThrottleLimit 3 } PS C:\> $jobs Id Name PSJobTypeName State HasMoreData Location Command -- ---- ------------- ----- ----------- -------- ------- 1 Job19 ThreadJob Running True PowerShell 1..10 | foreach { sleep… 2 Job20 ThreadJob Running True PowerShell 1..10 | foreach { sleep… 3 Job21 ThreadJob Running True PowerShell 1..10 | foreach { sleep… 4 Job22 ThreadJob NotStarted False PowerShell 1..10 | foreach { sleep… 5 Job23 ThreadJob NotStarted False PowerShell 1..10 | foreach { sleep… This example runs 'Start-ThreadJob' five times to start five job instances, but with a throttle limit value of 3. Consequently, only three of the five jobs are initially running and the other two are not started but queued to run after one or more of the currently running jobs complete.