[Freeswitch-users] Installing freeswitch on CentOS

Sat Jan 9 00:47:09 PST 2010

Which version of Ubuntu was tested against?
It's surprising to find such testing result about CentOS.

On Sat, Jan 9, 2010 at 7:39 AM, Bill W <freeswitch at aastral.net> wrote:

> Hey Everyone,
>
> I spoke with Karl, and for the sake of completing this thread I'm
> posting the results.
>
> Ultimately the problem Karl found with OpenSUSE was the SQLite libraries
> leading to database corruption, and freeswitch misbehaving because of
> that.  He also was trying to do traffic shaping for his application and
> ran into problems with shaping not working right on multi-core x86_64
> kernels in SuSE.
>
> I asked him about using odbc in the core to get around the sqlite bug
> but he didn't bother because he needed traffic shaping that worked.
>
> So it's not so much that SuSE was a bad distro, but rather that it
> didn't work well with freeswitch and traffic shaping on multi-core
> x86_64.  He did mention that SuSE 11.1 is nice in general but to stay
> away from 11.2 because gcc segfaults on any significant build.
>
> Hope this helps the community!
> Bill
>
>
>
> His response:
> ====================
> The big thing you should learn from the investment of my time in the lab
> here is simply this, "listen to Brian".  From now on, I'm considering
> him the EF Hutton on #freeswitch.
>
> (Editors Note: For you youngsters out there, EF Hutton's tagline was
> "When EF Hutton talks, people listen.")
>
> When I added about 60 phones to the system, it essentially "blew up"
> whereby phones wouldn't register, the database would get corrupted, etc...
>
> We worked around the problem by making the freeswitch "db" directory a
> ramdisk, but that only mitigated the problem, and didn't entirely fix it.
>
> Oh yeah, and although mod_perl will compile in freeswitch, it will bomb
> out and segfault when attempting to run any mod_perl scripts in
> freeswitch.  The fix is to recompile perl from source.  Even then, I
> still had problems.
>
> Other problems with the remaining Suse installations still are:
>
> 1.) When you answer, it will hang up.  No rhyme, reason, or otherwise.
> 2.) Occasionally (rarely) we have issues with audio not passing through
> correctly.  One way audio, or none at all.
> 3.) When you dial, it will take 10 seconds to go through enum lookups
> and the like before finally hitting the PSTN gateway.
>
> Oh yeah, about RedHat...  Don't bother with it's sister CentOS either.
> I tested it here in the lab, and it was like getting in a time machine
> and going back to 2007.   Also, Centos is busted.  You'll find that
> Linux kernel will re-transmit IP packets from processes long since dead.
>  Suffice it to say, when it does this to RTP traffic it drives things
> bugnutz. (Ed. His test was to run 20mbit/sec through centos with a
> gigabit card overnight and it dropped 150 packets.  He did try different
> cards.)
>
> Mandrake - recommend this to people you dislike.  If they're ignorant
> enough you'll find them thanking you for it.
>
> Debian - almost awesome, but if failed miserably in the lab with packet
> shaping.  I mean, it thought it was working, but the overall quality was
> hit & miss.  Other than that, no complaints.  What was really attractive
> was it's got Cyrus 2.3 out of the box, so if you're using Cyrus and not
> using it for packet shaping you might consider Debian an option.  Be
> advised, since it flunked packet shaping we never bothered to
> compile/test freeswitch on it, so do your own research.
>
> Ubuntu, make no mistake...
> We tested Ubuntu pretty heavily here in the lab.
> Even the packet shaping works (HTB & SFQ).
> With Suse I has to custom-compile the kernel, and packet shaping ONLY
> worked with 2.6.28.8 - 2.6.28.10, the rest were buggy and the problems
> manifested themselves in ways that you'd think would be totally
> unrelated.  I should be more specific and state x86_64 multi-core.
> x86_64 single core seemed to do packet shaping (somewhat nicely) in
> 2.6.18 on up.  Previous to that it was rather "interesting"...
>
> Save yourself the headache and go with Ubuntu.
>
> ==================================
>
>
>
>
> Brian West wrote:
> > He's on the list Karl J. Vesterling
> >
> > /b
> >
> > On Jan 7, 2010, at 7:05 PM, Bill W. wrote:
> >
> >> Wow, I haven't heard of these issues.  Obviously this concerns me.  Are
> >> these documented anywhere so I can research this?  How do I get in touch
> >> with KJV?
> >>
> >> Thanks!
> >> Bill
> >>
> >>
> >>
> >> Brian West wrote:
> >>> Good luck with that you'll have an ass load of problems.  The reason
> its stable is the backports and outdated packages.  Bleeding edge will only
> screw you over... just ask KJV... He was on OpenSuSE and had nothing but
> weird problems.
> >>>
> >>>
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-- 
Henry Huang
UniC Solution - Communication Unified
VoIP & Open Source software Consultant
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