Bash / cygwin process spawning (?) performance very slow
Cliff Hones
cliff@hones.org.uk
Thu Sep 24 17:34:00 GMT 2015
On 24/09/2015 18:24, litter@null.net wrote:
>> On 24/09/2015 11:57, litter@null.net wrote:
>>> Obviously something is. The FAQ entry does not mention performance, but real failures.
>>> How to further diagnose this?
>
> I took the plunge and spent almost a full day trying to find the cause.
>
> 1. Booting into Safe Mode gave a huge performance boost
> 2. By eliminating all services and programs in Normal Mode, one-by-one, I found the offender:
>
> turns out that Comodo Firewall (Free version) loads a DLL in each process that is the cause of the delay.
> Although I only use the Firewall, and do not use any "AntiVirus" features, still it causes delay during startup of a process.
>
> However, after disabling it -- which did speed up process spawning in Bash -- I encountered the other problem I already had much more often.
> For now I consider the issue of slow spawning to be solved
> (although it would have been nice if there was an easier way to diagnose it, maybe with tracing?)
Comodo firewall pro is listed in https://cygwin.com/faq/faq.html#faq.using.bloda.
Looks as if the free version should be listed too.
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