PowerShell Jobs Example

jobs.ps1

param(
    $MaxJobs = $env:NUMBER_OF_PROCESSORS
)

$elapsed = [System.Diagnostics.Stopwatch]::StartNew()

$jobs = @()
1..25 | % {

    $running = Get-Job -State Running
    if (($running | Measure-Object).Count -ge $MaxJobs) {
        "Waiting..."
        Wait-Job -Job $running -Any | Out-Null
    }

    $i = $_
    "Creating job #$($i)"
    $jobs += Start-Job {
        Start-Sleep -Seconds 3
        "Finished job #$($using:i)"
    }
}


"Waiting for jobs to complete..."
Wait-Job $jobs | Out-Null

"Receiving jobs..."
$jobs | Receive-Job

"Removing jobs..."
$jobs | Remove-Job

"Done. $($elapsed.ElapsedMilliseconds)ms"