Question 1

How does Invoke-Parallel compare to PowerShell jobs?

Accepted Answer

Invoke-Parallel uses runspaces which are lighter and faster for local batch processing, but PowerShell jobs offer more features like persistent state and remote execution, making them better for complex job management.

Question 2

How to import variables into Invoke-Parallel?

Accepted Answer

Use the -ImportVariables parameter to bring session variables into runspaces, or the $Using: syntax in PowerShell v3+ for direct access, as shown in the README examples with $Path and server logs.

Question 3

Does Invoke-Parallel work with PowerShell Core?

Accepted Answer

It should work on PowerShell Core if scriptblocks and modules are compatible, but it was originally designed for Windows PowerShell, so test for any platform-specific issues with runspaces or dependencies.

Question 4

What's the best way to handle errors in Invoke-Parallel?

Accepted Answer

Since it lacks built-in error aggregation, wrap your scriptblock in try-catch blocks and log errors manually, or consider using more advanced modules like PoshRSJob for better error handling and monitoring.

Question 5

Can Invoke-Parallel timeout individual threads?

Accepted Answer

Yes, use the -RunspaceTimeout parameter to set a timeout in seconds, and -NoCloseOnTimeout to prevent freezing threads from blocking the entire process, as demonstrated in the timeout examples with Start-Sleep.

Invoke-Parallel

What is Invoke-Parallel?

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