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Subject: Re: system lags and dysfunctional after cygwin update
To: cygwin AT cygwin DOT com
References: <99f62d42-de9c-2209-85c4-42454ab9cf3c AT gmail DOT com> <e6f2c0a1-2902-e8c4-e15d-46ce64ee4c46 AT gmail DOT com>
From: Ben Altman <benalt AT gmail DOT com>
Message-ID: <9635c6be-33c2-5837-2f6f-dec5ad94af6e@gmail.com>
Date: Thu, 12 May 2016 11:20:34 -0400
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On 5/12/2016 10:44 AM, Marco Atzeri wrote:
> On 12/05/2016 16:35, Ben Altman wrote:
>
>  Another thing that happens is that
>> Internet Explorer stops working - it loads unresponsive and then
>> crashes. Chrome loads but won't reach any website. Firefox works but
>> will become unresponsive frequently. Rebooting fixes the issue until I
>> do something in one of my scripts that triggers it again.
>
> These can not be an effect of cygwin.
> Something else cripped your system.

That is the puzzling thing. It only happens when I am running cygwin or 
babun and I can trigger it anytime just by doing ordinary scripting 
things. I can easily reproduce the situation though I obviously try to 
avoid that. The report script used to run twice daily during the day but 
because it now runs for up to 3 hours and causes the situation at the 
point where the joins are done I now run it at night so I can reboot my 
system first thing in the morning. If I run it during the day I would 
have to work with a slow system even after it completed so would need to 
reboot. I now have it set to run at night so I can reboot first thing in 
the morning.

Before getting up to the joins, I grab data off an ldap server and use 
sqlcmd to get data from a sql server. I am getting data for 14 databases 
and I do it concurrently and it appears to work fine. When it reaches 
the joins, suddenly everything slows and becomes unstable. Another 
script I have which I use to search flat files also runs in to a similar 
situation though it doesn't use "join" and I haven't worked out which 
line triggers it.

Ben

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