gmane.comp.telephony.freeswitch.user

Re: OpenVZ tuning tips

Yuriy Nasida — 2013-05-25T10:02:05

I mean to join question  (sure not issue)   :)

From: nasida-Hl6uXSEkcyM< at >public.gmane.org
To: freeswitch-users-PD4FTy7X32k3T7AR8gHRW2D2FQJk+8+b< at >public.gmane.org
Subject: RE: [Freeswitch-users] OpenVZ tuning tips
Date: Sat, 25 May 2013 13:52:56 +0400

Tamas,
I think you can find info about performance problems with CentOS 6 on jira. For example. http://jira.freeswitch.org/browse/FS-4291
We also wanted to use timerfd (without virtualization) and  made a moving to latest cenos 6.(2,3) + FS 1.2.8 . It was big mistake. FS got frozen sometimes. As a result we had to move on centos 5.9 again. 
I would like to join issue. how can I be sure that timerfd is used? 
Regards,
Yuriy

Date: Sat, 25 May 2013 07:52:28 +0200
From: jalsot-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org
To: freeswitch-users-PD4FTy7X32k3T7AR8gHRW2D2FQJk+8+b< at >public.gmane.org
Subject: Re: [Freeswitch-users] OpenVZ tuning tips

We've tried as root user but as I remember it was not able to set up the priority but will recheck to be sure. Another interest

Re: OpenVZ tuning tips

Yuriy Nasida — 2013-05-25T09:52:56

Tamas,
I think you can find info about performance problems with CentOS 6 on jira. For example. http://jira.freeswitch.org/browse/FS-4291
We also wanted to use timerfd (without virtualization) and  made a moving to latest cenos 6.(2,3) + FS 1.2.8 . It was big mistake. FS got frozen sometimes. As a result we had to move on centos 5.9 again. 
I would like to join issue. how can I be sure that timerfd is used? 
Regards,
Yuriy

Date: Sat, 25 May 2013 07:52:28 +0200
From: jalsot-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org
To: freeswitch-users-PD4FTy7X32k3T7AR8gHRW2D2FQJk+8+b< at >public.gmane.org
Subject: Re: [Freeswitch-users] OpenVZ tuning tips

We've tried as root user but as I remember it was not able to set up the priority but will recheck to be sure. Another interesting thing is that when I tried to set a running process scheduler with chrt, got operation not permitted (as root of course), so I guess, something has to be tuned in the VE or on the host. We will try on bare metal centos6+ovz on the host.

We try the l

Re: dbh:query - insert id

John M — 2013-05-25T08:01:30

Hi Daniel,

Thanks for your description, it is much appreciated. :-)

5 word one liners from people too lazy to explain properly would really be best if they didn't reply at all.

Cheers, thanks again.

-Jm

 

 

 

-----Original Message-----
From: Daniel Ivanov <sertys-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org>
To: FreeSWITCH Users Help <freeswitch-users-PD4FTy7X32k3T7AR8gHRW2D2FQJk+8+b< at >public.gmane.org>
Sent: Sat, May 25, 2013 5:57 pm
Subject: Re: [Freeswitch-users] dbh:query - insert id


It is true that the luasql driver is overly basic and poorly documented . Unfortunately mysql doesn't support RETURNING clause like pgsql and oracle. You should however try SELECT LAST_INSERT_ID(); right after the insert query. I cannot guarantee it works due to the unknown nature(to me that is) of the luasql transaction handling, but it should keep a transaction open for as long as a db handler lives.

On May 25, 2013 7:03 AM, "John M" <j_mj-YDxpq3io04c< at >public.gmane.org> wrote:

 Hi Seven Du,

I'd really like to know if

Re: dbh:query - insert id

Daniel Ivanov — 2013-05-25T07:47:34

It is true that the luasql driver is overly basic and poorly documented .
Unfortunately mysql doesn't support RETURNING clause like pgsql and oracle.
You should however try SELECT LAST_INSERT_ID(); right after the insert
query. I cannot guarantee it works due to the unknown nature(to me that is)
of the luasql transaction handling, but it should keep a transaction open
for as long as a db handler lives.
 On May 25, 2013 7:03 AM, "John M" <j_mj-YDxpq3io04c< at >public.gmane.org> wrote:

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Re: How fs handle the sip-T message?

2013-05-25T07:10:21

Seven, 

Thanks. So far, sangoma passthought the SS7 by extracting and copying the properity to freetdm channel info. It utilizes some structure siConEvnt(IAM,ANM) and siCnStEvnt(ACM...).

Here now one INVITE comes into FS, but the "application/isup" in the SIP message dispears in the FS outbound.
I'll do more debug and google.

Thank you so much.

Windy
　　

======== 2013-05-25 10:50:05 Original Message： ========

Bottom line is you should try, by looking the log and possibly using the "info" app you should can find out. I bet you should be receive the SIP-T anyway.


I remembered some discussion about this, maybe you can google against this list and find out more. I think Sangoma has some private implementation which can help SS7 passthru over SIP. Or maybe try to put the SIP-T int the new b64 codec?

Re: OpenVZ tuning tips

Tamas Jalsovszky — 2013-05-25T05:52:28

We've tried as root user but as I remember it was not able to set up the
priority but will recheck to be sure. Another interesting thing is that
when I tried to set a running process scheduler with chrt, got operation
not permitted (as root of course), so I guess, something has to be tuned in
the VE or on the host. We will try on bare metal centos6+ovz on the host.
We try the latest centos6 with latest openvz kernel (due to security
requirements we run on latest stable kernel and OS versions).
Could you give some info about those horrible performance problems to let
us check whether it still applies or not? (we've found only mysql create
table performance degradation due to ext4 - where the solution could be
barrier=0 yet, no other problems).
Actually, how can I be sure that timerfd is used? strace? I'm nearly sure
that timerfd works fine in FS.

Yep, it would be much simpler without virtualization, and much harder from
another perspective. Probably lxc, kvm and xen aren't much better regarding
realtime stuf

Re: dbh:query - insert id

John M — 2013-05-25T03:59:54

 Hi Seven Du,

I'd really like to know if this is possible too, couldn't find it documented anywhere.

Instead of being cryptic, if you know the answer won't you please help by explaining what the RETURNING clause is and how to use it?

Does it somehow return mysql_insert_id()?

How should we use it.

You help is invaluable and is contributing to the freeswitch community.

-Jm

 

 

-----Original Message-----
From: Seven Du <dujinfang-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org>
To: FreeSWITCH Users Help <freeswitch-users-PD4FTy7X32k3T7AR8gHRW2D2FQJk+8+b< at >public.gmane.org>
Sent: Sat, May 25, 2013 12:52 pm
Subject: Re: [Freeswitch-users] dbh:query - insert id


                
                    Maybe try the RETURNING clause ?

Re: How fs handle the sip-T message?

Brian Foster — 2013-05-25T02:55:45

This?
http://www.radisys.com/products/trillium/ss7-sigtran/

- BDF
On May 24, 2013 10:53 PM, "Seven Du" <dujinfang-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org> wrote:

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Re: How fs handle the sip-T message?

Seven Du — 2013-05-25T02:46:56

Bottom line is you should try, by looking the log and possibly using the "info" app you should can find out. I bet you should be receive the SIP-T anyway.

I remembered some discussion about this, maybe you can google against this list and find out more. I think Sangoma has some private implementation which can help SS7 passthru over SIP. Or maybe try to put the SIP-T int the new b64 codec?

Re: How to attche custom "content-type" in Freeswitch SIP message

Seven Du — 2013-05-25T02:39:03

FS defined SOFIA_MULTIPART_PREFIX  which should can support multipart body. not sure if you can find the wiki. maybe you should look the source code and update the wiki when you find out.

I had tried that but I forget the procedure. it should be some chan vars like sip_mp_ ...

Re: dbh:query - insert id

Seven Du — 2013-05-25T02:33:36

Maybe try the RETURNING clause ?

How fs handle the sip-T message?

2013-05-25T02:22:13

Hi, support team

I know FS can pass out SS7 info via properity header.
While, how it handles an incoming SIP-T message with SS7 info encapsulated in "content-type". Will it parse it or discard it?


Thanks
Windy
-------------------
2013-05-25




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How to attche custom "content-type" inFreeswitch SIP message

2013-05-25T01:18:16

Dear support,

I''m trying to encapsulate my private "application/isup" in the SIP Msg. Normally, it should like below example.

It firstly addresses   "Content-Type: multipart/mixed;boundary=QRLVLNKeKxWDHAuwlEkR". And then can write private "content-type" like "application/sdp".
Now I can see the application/sdp is encapsulated via variable "switch_r_sdp".
Is there anyway to encapsulated other customized "content-type"? 

Appreciate to get your reply.
---------------------------------------------------------------------------------------------------------------
Here is an example of SIP message which encapsulated "applicaiton/sdp" and "application/isup".

INVITE sip: 87896677-ZqO/wWYGQBIAvxtiuMwx3w< at >public.gmane.org;user=phone;SIP/2.0
From: "Caller"<sip:678923001-KdnAoeVyOkTCENZMoErytg< at >public.gmane.org>
To: <sip:87896677-ZqO/wWYGQBIAvxtiuMwx3w< at >public.gmane.org>;user=phone
Call-ID: QRLVLNKeKx-WDHAuwlEkR-EwhPPcTHOP-KdnAoeVyOkTCENZMoErytg< at >public.gmane.org
Content-Type: multipart/mixed;boundary=QRLVLNKeKxWDHAuwl

dbh:query - insert id

Lloyd Aloysius — 2013-05-25T00:14:01

Hello All

How to get the id value after insert a record a record using dbh:query

*table_a - columns*.

id - auto increment
field1
field2


dbh:query("insert into table_a ( field1,field2) values ('11','Test')")


After insert how to get the table_a - id value for the inserted record?

Thanks
Lloyd
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Re: OpenVZ tuning tips

Anthony Minessale — 2013-05-24T21:28:07

It will only work running as root I believe because it needs high privs to
do realtime.
If you do use centOS make sure its the latest rev of cent6, we have some
horrible performance problems on the earlier revs and I don't know if they
were resolved.
Just make sure your kernels are as new as you can get them on the real host
to avoid years of kernel performance bugs and that it has support for
timerfd otherwise your VE would compile with timerfd support but not have
actual access to the real syscalls for it in the host.

That's why we try not to recommend virtual stuff in general as it takes
some very careful setups and its hard to support from our standpoint when
people run into issues.





On Fri, May 24, 2013 at 12:30 AM, Tamas Jalsovszky <jalsot-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org> wrote:

Re: Strange issue with late negotiation

Anthony Minessale — 2013-05-24T21:02:06

A manual description of sip traffic with no trace or anything else is only
going to get an educated guess.
Beating the box so badly that its dropping udp packets is not going to go
over well no matter how you slice it.
If you have a reproducible problem, open a Jira with some traces and a more
detailed description and preferably a simple reproducible test case.




On Fri, May 24, 2013 at 2:27 PM, Flavio Goncalves <flavio-/U/xZQrmO1tWk0Htik3J/w< at >public.gmane.org>wrote:

Re: WebRTC

Anthony Minessale — 2013-05-24T20:54:16

Cluecon will have a bunch of of presentations related to it and we will
make considerations then on how it could relate to the project.  We are
focused on our split of 1.2 / 1.4 right now.
On May 24, 2013 1:55 PM, "mbo" <mbodbg-hi6Y0CQ0nG0< at >public.gmane.org> wrote:

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Re: Strange issue with late negotiation

Mike Burlingame — 2013-05-24T19:39:04

Not sure this will resolve or help your issue - it addressed some of my issues with FS not waiting for the A-LEG to ACK before moving on

https://wiki.freeswitch.org/wiki/Variable_sip_wait_for_aleg_ack


On May 24, 2013, at 12:27 PM, Flavio Goncalves <flavio-/U/xZQrmO1tWk0Htik3J/w< at >public.gmane.org> wrote:


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Re: WebRTC

Ken Rice — 2013-05-24T19:28:57

Its coming sooner then later... Watch for info


On 5/24/13 1:51 PM, "mbo" <mbodbg-hi6Y0CQ0nG0< at >public.gmane.org> wrote:

Re: Strange issue with late negotiation

Flavio Goncalves — 2013-05-24T19:27:36

Hi Anthony,

It is not a retransmission, the CSEQ is much higher and the branch is
different. It is actually another transaction. The CSEQ of the first INVITE
is 103, the second INVITE is something bigger than 400000.  The biggest
issue here for us is not receiving the BYE. We had built a mechanism in the
proxy to send a BYE if not receiving the ACK in 5 seconds, but the ACK for
the REINVITE disables it. We will change the mechanism to accept only the
ACK for the first transaction, but anyway, I believe FS should have sent
the BYE. If this can be fixed (if actually is broken), it would help to
eliminate many billing issues when late negotiation is involved and the
client stops answering (caused by network failures or client overload).

Best regards,


Flavio E. Goncalves
CTO - SipPulse Routing and Billing Solutions for SIP
Phone: +55 48-3025-8590, +1 248-688-0960
VoIP: SIP:flavio-XXRiE38Kr15g9hUCZPvPmw< at >public.gmane.org,Skype:flaviogoncalves1
Linkedin: www.linkedin.com/in/flavioegoncalves
Twitter: www.twitter

WebRTC

mbo — 2013-05-24T18:51:02

I've seen there have been a couple of discussions about WebRTC support earlier this year. Are there any news on that?

Thanks

Markus
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