[SR-Users] problem with dispatcher load balancing

[Ding Ma]

Happy to to report the max_load worked in our testing. Thanks,

On Tue, Sep 15, 2015 at 3:04 AM, Daniel-Constantin Mierla <miconda at gmail.com
> wrote:

> Hello,
>
> good to know that you found the issue and it was in the config file. Would
> be appreciated if you can report the results on testing maxload, to know if
> there is anything to fix there.
>
> Cheers,
> Daniel
>
>
> On 14/09/15 21:52, Ding Ma wrote:
>
> Hi,
>
> Figured this out. Seems I had made a mistake in the names of AVPs. Changed
> the AVP names as the exact names used in the example contained in
> dispatcher doc. Dispatcher started to work, I can see even distribution of
> loads to 2 Asterisk servers. Will verify if maxload is being enforced or
> not, not really an issue even if it is not enforced.
>
> Thanks,
>
> On Thu, Aug 27, 2015 at 9:07 AM, Ding Ma <mading087 at gmail.com> wrote:
>
>> Hi, Daniel
>>
>> I just tested the dispatcher in 4.3.1. It showed the same behavior as
>> 4.2.3. All the calls are sent to one Asterisk (the last one in the
>> dispatcher list), the maxload setting in dispatcher table is ignored.
>>
>> We use db dispatcher table instead of dispatcher list file, and the
>> kamailio.cfg is the same as included in the previous email in this thread.
>>
>> Hope I didn't make any mistake in kamailio.cfg.
>>
>> Thanks
>>
>> On Fri, Jun 12, 2015 at 12:34 AM, Daniel-Constantin Mierla <
>> miconda at gmail.com> wrote:
>>
>>> Yes, 4.3 should have all fixes in 4.2.
>>>
>>> Cheers,
>>> Daniel
>>>
>>>
>>> On 12/06/15 06:06, Ding Ma wrote:
>>>
>>> OK, we’ll try to update and report back. Wonder if the latest 4.3 has
>>> all the fixes went into the latest 4.2.x. We already have plan to upgrade
>>> to 4.3.
>>> Thanks.
>>>
>>> On Jun 10, 2015, at 10:01 AM, Daniel-Constantin Mierla <
>>> <miconda at gmail.com>miconda at gmail.com> wrote:
>>>
>>> It was a fix for maxload during 4.2.x, but don't recall exactly when was
>>> backported. Can you upgrade to latest 4.2.x and see the results? Your
>>> config file and database don't require any change, only deploy the binaries
>>> for latest 4.2.x and restart.
>>>
>>> If the issue is still there with latest 4.2.x, report here and I will
>>> look at it with the first chance.
>>>
>>> Cheers,
>>> Daniel
>>>
>>> On 10/06/15 16:50, Ding Ma wrote:
>>>
>>> We're running kamailio 4.2.3. Are there any changes to dispatcher in
>>> 4.2.x?
>>> Thanks,
>>>
>>> # kamailio -V
>>> version: kamailio 4.2.3 (x86_64/linux) 5596bd
>>> flags: STATS: Off, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS,
>>> DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC,
>>> F_MALLOC, DBG_F_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE,
>>> USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
>>> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16,
>>> MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
>>> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
>>> id: 5596bd
>>> compiled on 09:32:37 May  6 2015 with gcc 4.4.7
>>>
>>>
>>> On Wed, Jun 10, 2015 at 7:01 AM, Daniel-Constantin Mierla <
>>> <miconda at gmail.com>miconda at gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> what version of kamailio are you using?
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>>
>>>> On 09/06/15 20:51, Ding Ma wrote:
>>>>
>>>> I'm trying to set up kamailio dispatcher to distribute calls to 2
>>>> asterisk servers. So far, the failover case seems ok, but I cannot get the
>>>> dispatcher to distribute load. All calls are going to the last destination
>>>> entry in the dispatcher table even if I have set the maxload attributes.
>>>> I'm using algorithm 10 for load distribution. The number of calls sent to
>>>> one asterisk is well above the maxload. Hope someone more experienced in
>>>> dispatcher can review my config and give me some recommendations. Thanks in
>>>> advance.
>>>>
>>>> Here is the content of dispatcher table in postgresql db.
>>>>
>>>> select * from dispatcher;
>>>>  id | setid |    destination     | flags | priority |           attrs
>>>>         | description
>>>>
>>>> ----+-------+--------------------+-------+----------+---------------------------+-------------
>>>>   1 |     1 | sip:10.0.1.31:5061 |     0 |        0 |
>>>> duid=asterisk1;maxload=25 | Asterisk1
>>>>   2 |     1 | sip:10.0.1.33:5061 |     0 |        0 |
>>>> duid=asterisk2;maxload=25 | Asterisk2
>>>> (2 rows)
>>>>
>>>>
> --
> Daniel-Constantin Mierlahttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Book: SIP Routing With Kamailio - http://www.asipto.com
> Kamailio Advanced Training, Sep 28-30, 2015, in Berlin - http://asipto.com/u/kat
>
>
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