[Freeswitch-users] high pdd

Peter Olsson peter at olssononline.se
Wed Aug 20 23:29:43 MSD 2014


It seems it might be stuck in the condition code for Windows.

Try this timing patch for Windows, and see if it makes any difference. I've
tested in on lower load, but it would be interesting how it performs in
this scenario.

https://jira.freeswitch.org/secure/attachment/20613/windows-waitable-timer-diff.txt


2014-08-20 21:13 GMT+02:00 Andre <andretodd at verizon.net>:

> I will, need to get hardware and figure out how to use mono.
>
> In the meantime, I’ve attached some of the call traces.
>
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> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Brian West
> *Sent:* Wednesday, August 20, 2014 3:05 PM
> *To:* FreeSWITCH Users Help
> *Subject:* Re: [Freeswitch-users] high pdd
>
>
>
> Try the same thing on Debian 7  if possible.
>
>
>
> On Wed, Aug 20, 2014 at 12:35 PM, Andre <andretodd at verizon.net> wrote:
>
> Hi, I’m using the master. Should I try 1.4.7?
>
>
>
> I’ve done a dump after things started to go bad/ backed up.
>
>
>
> I see 8193 threads in _*thread_cond*_timedwait. Looks like its on line 81
> of thread_cond.c  res = WaitForSingleObject(cond->semaphore, timeout_ms);
>
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> The value of timeout_ms is 2016850392.
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> Not sure if this means anything.
>
>
>
> Thanks for the support guys.
>
>
>
> Andre
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Brian West
> *Sent:* Wednesday, August 20, 2014 11:57 AM
>
>
> *To:* FreeSWITCH Users Help
> *Subject:* Re: [Freeswitch-users] high pdd
>
>
>
> 1.2.X is EOL,
>
>
>
> 1.4.7 is the current release.
>
>
>
> We have releases and tags in git that no longer carry the 'stable' moniker
> starting with 1.4.
>
>
>
> On Sun, Aug 17, 2014 at 1:39 PM, Andre Demattia <andretodd at verizon.net>
> wrote:
>
> Thanks, I'm using the newest master and the last stable 1.2.23
> We are willing to pay to get this fixed.
> Andre
> ------------------------------
>
> *From: *Anthony Minessale <anthony.minessale at gmail.com>
> *Sent: *‎8/‎17/‎2014 12:30 PM
>
>
> *To: *Freeswitch-users <freeswitch-users at lists.freeswitch.org>
> *Subject: *Re: [Freeswitch-users] high pdd
>
> We dont have a lot of tools to troubleshoot windows.  You should mention
> windows in your subject to have a better chance to get the attention of our
> windows users.
>
> You should consider installing debian 7 on the same hardware and perform
> similar tests to help determine if your issue is o/s specific or not.
>
> You also have not indicated the revision of FS.  If you have not worked
> with latest master, you should be also to rule out improvements.
>
> On Aug 17, 2014 9:54 AM, "Andre Demattia" <andretodd at verizon.net> wrote:
>
> Yes that's off and I believe all the databases are off too. No
> authentication or registration is enabled.  The sizes of the database are 0
> until I call the shutdown command then its about 90k.  I have the DBS in Ra
> drive too.
>
> Windows seems pretty good until the 3000 sessions per min mark. Then I
> just get long pdd and the threads get backed up then no more sessions can
> be created.
>
> Funny thing is I has 10 profiles and the same results. I also tried two
> consoles with the same results.
>
> FreeSWITCH is great.
>
> I'd be grateful for help. I've worked on this for 2 years and hate to give
> up.
>
> If any one from consulting at freeswitch.org is willing to help I'd
> appreciate that.
>
> Thanks again,
> Andre
> ------------------------------
>
> *From: *Anthony Minessale <anthony.minessale at gmail.com>
> *Sent: *‎8/‎17/‎2014 10:13 AM
> *To: *Freeswitch-users <freeswitch-users at lists.freeswitch.org>
> *Subject: *Re: [Freeswitch-users] high pdd
>
> Did you comment out manage-presence ?  Also we have no real idea how well
> FS performs in windows under extreme load.
>
> On Aug 17, 2014 5:42 AM, "Andre Demattia" <andretodd at verizon.net> wrote:
>
> Thanks Ken, I'll try the consulting again.
> Andre
> ------------------------------
>
> *From: *Ken Rice <krice at freeswitch.org>
> *Sent: *‎8/‎17/‎2014 1:19 AM
> *To: *FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> *Subject: *Re: [Freeswitch-users] high pdd
>
> if the last post does not work contact consulting at freeswitch.org for pro
> help from one of the developers... thats about as far as the list will take
> you
>
> Ken
>
> Sent from my iPad
>
>
> On Aug 16, 2014, at 15:23, "Andre" <andretodd at verizon.net> wrote:
>
> Going with the idea it’s IO related I did a db_cache status. I just
> disabled limit in my code by removing it but limit should be HASH not a
> database however I stills how a database.
>
>
>
> Below is the results of the db cache status. I’m not real sure what its
> saying. I should have all registration and limit disabled and should not be
> using any sql database from my understanding.
>
>
>
> Anyone know what the results mean? I’ve only tested 2 calls on this status.
>
>
>
> [The entire original message is not included.]
>
>
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> --
>
> *Brian West*
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>
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>
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> --
>
> *Brian West*
> brian at freeswitch.org
>
> *Twitter: @FreeSWITCH , @briankwest*
> http://www.freeswitchbook.com
> http://www.freeswitchcookbook.com
>
> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
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>
> _________________________________________________________________________
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>
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