the worker status should show what the workers are doing

Thomas



Von:    "K Post" <nntp.p...@gmail.com>
An:     "ASSP development mailing list" <assp-test@lists.sourceforge.net>
Datum:  31.03.2020 22:03
Betreff:        Re: [Assp-test] Main thread unable to transfer?



I increased workers to 10.  All was okay for 5 days.  Just today, I've 
started getting this warning exactly every 5 minutes.  Load is lighter 
than usual on the server, not that it was ever particularly heavy in the 
first place.  I've restarted the ASSP service (win32) but the issue came 
back.  I'm now restarting the server itself.

Is there any kind of debug flag I can set to have ASSP spit out the system 
call it's trying to do?

thanks



On Wed, Mar 25, 2020 at 5:54 PM K Post <nntp.p...@gmail.com> wrote:
Thanks Thomas.  I'll increase workers.  I hope you're well and safe.

On Wed, Mar 25, 2020 at 10:36 AM Thomas Eckardt <
thomas.ecka...@thockar.com> wrote:
This happens when all SMTP-workers are busy in system calls (virus 
scanner, pfd, office, zip extraction..... - waiting for DB answers, and 
some others). While such tasks are running, the workers can't be 
interrupted by the MainThread. 
If this happens after the rebuild is finished, a possible solution would 
be to restart assp after the rebuild. 

>every 60 (almost exactly) minutes
indicates a relation to DB maintenance tasks 

>The SMTP conections gui recommends 5 workers, I have 6 set.
Using up to 10 workers is save (if the system resources are available) - 
always reserve 1 or 2 workers for outgoing mails 

Thomas 





Von:        "K Post" <nntp.p...@gmail.com> 
An:        "ASSP development mailing list" <
assp-test@lists.sourceforge.net> 
Datum:        25.03.2020 13:42 
Betreff:        [Assp-test] Main thread unable to transfer? 



Hi all, 

I hope everyone's healthy and being safe. 

I've been getting a warning like: 
Mar-25-20 08:20:12 Warning: Main_Thread is unable to transfer connection 
to any worker - try again!  
periodically for a while now.  It comes in waves, with the warning 
appearing every 60 (almost exactly) minutes for a couple hours, then it 
seems to go away.   It doesn't seem to start happening mid-day, I've only 
seen the warnings start after the overnight a rebuild completes. 

Nothing's changed configuration wise, loads are about the same as usual.  
  Restarting ASSP always makes the warnings subside for a couple of days. 

The SMTP conections gui recommends 5 workers, I have 6 set. 

Often, but not always, the log shows "Saving config" about 40 seconds 
before the unable to transfer.  Everywhere I looked, I see this with a 40 
second or so pause in the logs, I don't know if there's no activity or if 
it's hung.  

It's a windows server with MySQL.  Lots of ram, ASSP using about 1.8gb 
(grows over time), MySQL about 2gb.  Are those normal numbers? 

Any suggestions on what I can look into to see what's making Assp hang? 

Thanks, be smart and safe out there! 
Ken 



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