[英]Start services in parallel
我有一个脚本,该脚本检查不同服务器上的某些服务是否启动,否则,脚本应启动该服务。
问题是,它不会并行启动服务,而是等待直到每个服务都启动。
码:
$server_list = Get-Content -path D:\Path\list_of_servers.txt
$server_list | foreach {
(Get-Service -Name '*Service Name*' -computername $_) | Where-Object {$_.status -eq "Stopped"} | Set-Service -Status Running
}
我知道这是由于脚本的编写方式引起的,但也许有些人对如何改进脚本有任何建议?
干杯!
这是使用Powershell和Workflows进行并行处理的示例:
$server_list = Get-Content -path D:\Path\list_of_servers.txt
workflow MyWorkflow
{
foreach -parallel($s in $server_list) {
inlinescript { (Get-Service -Name '*Service Name*' -PSComputerName $s) | Where-Object {$_.status -eq "Stopped"} | Set-Service -Status Running
}
}
}
使用Powershell V2和作业
未经测试的代码,但应接近:
$server_list = Get-Content -path D:\Path\list_of_servers.txt
$maxJobs = 5
$scriptblock = {
(Get-Service -Name $args[1] -ComputerName $args[0]) | Where-Object {$_.status -eq "Stopped"} | Set-Service -Status Running
}
foreach ($s in $server_list)
{
$arguments = @($s, $service)
$running = @(Get-Job | Where-Object { $_.State -eq 'Running' })
while ($running.Count -gt ($maxJobs -1)) {
$done = Get-Job | Wait-Job -Any
$running = @(Get-Job | ? {$_.State -eq 'Running'})
}
start-job -scriptblock $scriptblock -ArgumentList $arguments
}
Get-Job | Wait-Job
Get-Job | Receive-Job
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