Wireshark-dev: Re: [Wireshark-dev] Wireshark 64bit on multicore CPU's
From: Paul Offord <[email protected]>
Date: Thu, 26 Jul 2018 15:12:51 +0000
I agree with Richard.  Wireshark does use multiple threads, in particular for file status, but the important bit (UI, decode and analysis) all runs on a single thread.

Best regards...Paul

-----Original Message-----
From: Wireshark-dev <[email protected]> On Behalf Of Richard Sharpe
Sent: 26 July 2018 16:04
To: Developer support list for Wireshark <[email protected]>
Subject: Re: [Wireshark-dev] Wireshark 64bit on multicore CPU's

On Thu, Jul 26, 2018 at 5:29 AM,  <[email protected]> wrote:
> Hi,
>
> we are evaluating a new trace server for analyzing 10GBit/s traffic 
> and I would like
>
> to know if Wireshark supports multicore CPU's. If no, we don't need to 
> order a
>
> multicore CPU for this server.

While WireShark runs on multi-core CPUs, it does not distribute the important work, AFAIK, among separate cores.

In my experience, the things that improve Wireshark performance are:

1. Memory. 64GB or more.
2. Using SSDs or NVMe.

--
Regards,
Richard Sharpe
(何以解憂?唯有杜康。--曹操)(传说杜康是酒的发明者)
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