[OpenSIPS-Users] Opensips -1.11 crash with mongodb replica set .
Liviu Chircu
liviu at opensips.org
Tue Jun 7 13:11:52 CEST 2016
To avoid those kind of problems, I would recommend putting one "mongos"
instance for each OpenSIPS machine, on the same box. This way, not only
do you avoid problems with the mongos machine going down, but you'll
speed up query times as well, making your OpenSIPS workers more responsive!
Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com
On 07.06.2016 13:20, Sasmita Panda wrote:
> Hi Liviu ,
>
> I just have one question . I have implemented opensips with
> mongodb shard cluster . I have one replica set with three member . I
> have three config server for each and mongos service running .
>
> What I wanted to know is , the server in which my mongos service
> is running , If that machine is get down what will happen ?
> I need to monitor that machine so that it wont go down ? Is this show ?
>
> */Thanks & Regards/*
> /Sasmita Panda/
> /Network Testing and Software Engineer/
> /3CLogic , ph:07827611765/
>
> On Mon, Jun 6, 2016 at 4:41 PM, Liviu Chircu <liviu at opensips.org
> <mailto:liviu at opensips.org>> wrote:
>
> Thank you, Sasmita! Will reply here as soon as there is progress
> on the matter.
>
> Liviu Chircu
> OpenSIPS Developer
> http://www.opensips-solutions.com
>
> On 06.06.2016 13:55, Sasmita Panda wrote:
>> Hi ,
>>
>> I have created an issue with detailed steps . Bellow is the
>> issue ID . Let me know if the issue will get fixed .
>>
>> https://github.com/OpenSIPS/opensips/issues/895
>>
>> Thanks
>>
>> */Thanks & Regards/*
>> /Sasmita Panda/
>> /Network Testing and Software Engineer/
>> /3CLogic , ph:07827611765/
>>
>> On Mon, Jun 6, 2016 at 3:32 PM, Sasmita Panda <spanda at 3clogic.com
>> <mailto:spanda at 3clogic.com>> wrote:
>>
>> Thank you so much for the information . Let me try to deploy
>> with mongos server .
>>
>> I will post the detailed steps for opensips crash as soon as
>> I will be free .
>>
>> */Thanks & Regards/*
>> /Sasmita Panda/
>> /Network Testing and Software Engineer/
>> /3CLogic , ph:07827611765/
>>
>> On Mon, Jun 6, 2016 at 2:14 PM, Liviu Chircu
>> <liviu at opensips.org <mailto:liviu at opensips.org>> wrote:
>>
>> Hi Sasmita!
>>
>> We have some plans to do some more testing on the module,
>> including your "connect directly to replica set" usage
>> case, and also bringing it up to date with the latest
>> mongo driver. However, it is hard to give you an
>> estimation for when this work will start.
>>
>> Currently, the fastest way to fix your problems is for
>> you to set up a "mongos" instance, along with 3 config
>> server instances (these are needed by mongos, and ensure
>> proper write consistency), and configure
>> "cachedb_mongodb" to use this new "mongos" node.
>>
>> A mongos instance is aware of all the replica sets (aka
>> "shards"). In your case, it will initially shard the keys
>> to your single replica set - thus, it will hold 100% of
>> the data. As your data set grows, you may partition it
>> over to additional replica sets, which you can configure
>> into mongos without modifying anything on the OpenSIPS
>> side. This way, failover within a replica set will also
>> happen transparently, again, without impacting OpenSIPS
>> at all.
>>
>> PS: if you have a way to 100% reproduce a crash, please
>> open a GH ticket describing the steps, and we'll go from
>> there! [1]
>>
>> [1]: https://github.com/OpenSIPS/opensips/issues
>>
>> Liviu Chircu
>> OpenSIPS Developer
>> http://www.opensips-solutions.com
>>
>> On 06.06.2016 11:23, Sasmita Panda wrote:
>>> Hi All ,
>>>
>>> I am using opesips-1.11 with mongodb replica set
>>> . I have 3 members in the replica set , promary ,
>>> secondary and arbitrary .
>>>
>>> Problem 1 : Sometime , If primay is not rechable
>>> , the secondary becomes primary , But opensips loss
>>> connection from mongodb . Its wont put any data in the
>>> data base . My call goes on but their is not data in the
>>> mongodb database .
>>>
>>> Problme 2: If the primay machine is down then
>>> secondary becomes primary within some millisecond time
>>> , but opensips crashes giving bellow error
>>>
>>> ERROR:cachedb_mongodb:mongo_con_get: Failed to run
>>> query. Err = 6, 0 , 0
>>> CRITICAL:core:receive_fd: EOF on 10
>>> INFO:core:handle_sigs: child process 5278 exited by a
>>> signal 11
>>> INFO:core:handle_sigs: core was generated
>>> INFO:core:handle_sigs: terminating due to SIGCHLD
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:sig_usr: signal 15 received
>>> INFO:core:cleanup: cleanup
>>> NOTICE:db_cachedb:destroy: destroy module db_cachedb ...
>>> NOTICE:cachedb_mongodb:destroy: destroy module
>>> cachedb_mongodb ...
>>>
>>> If my secondary mongodb machine is not reachable
>>> then rather connection with db breaks for sometime but
>>> opensips wont crashes . But in case of Primary opensips
>>> crashes with above error . Is this an expected behavior
>>> or I am doing anything wrong .
>>> Data loss can be bearable but application cant be
>>> . So please let me know whats the problem .
>>>
>>> */Thanks & Regards/*
>>> /Sasmita Panda/
>>> /Network Testing and Software Engineer/
>>> /3CLogic , ph:07827611765/
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opensips.org <mailto:Users at lists.opensips.org>
>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
>>
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