Hello,

DMQ will remove nodes from its internal list if they fail to respond to its pings - with the exception of the original notification peer specified in config. This way, if the network connection is lost, DMQ will continue to try the original peer indefinitely until connectivity is restored, and rebuild its list of other nodes from there.

Was the original peer (or one of them if multiple defined A/SRV records) still active at the time of reconnection?

It would help to diagnose if you can you send your log from around the time of disconnection, and also at the time of reconnect.

Regards,

Charles

On 6 February 2017 at 10:03, José Seabra <joseseabra4@gmail.com> wrote:

Hello Daniel,

The parameters that i have configured on my kamailio server are:

#!ifdef ENABLE_REG_SYNC
modparam("registrar", "sock_flag", 18)
modparam("registrar", "sock_hdr_name", "Sock-Info")
####### SIP registrar replication to other nodes ######
loadmodule "dmq.so"

####### distributed message queue module paramenters #####
modparam("dmq", "server_address", "sip:MY_IP_ADDRESS:MY_PORT_ADDRESS")
modparam("dmq", "notification_address", "DMQ_HOSTS")
modparam("dmq", "multi_notify", 1)
modparam("dmq", "num_workers", 4)

loadmodule "dmq_usrloc.so"
modparam("dmq_usrloc", "enable", 1)
modparam("dmq_usrloc", "sync", 1)
modparam("dmq_usrloc", "batch_size", DMQ_BATCH_SIZE)
modparam("dmq_usrloc", "batch_usleep", DMQ_BATCH_USLEEP)
#!endif

Let me know if do you need further information's.

Thank you
Regards
José Seabra
2017-02-06 7:01 GMT+00:00 Daniel-Constantin Mierla <miconda@gmail.com>:
Hello,

what are the parameters for dmq module?

Cheers,
Daniel

On 01/02/2017 11:32, José Seabra wrote:
Hello there,

My DMQ cluster has 4 nodes and by some reason 2 of them lost the network connectivity for long time(~ 4 hours), after the network of these 2 nodes come back they didn't get connected on DMQ cluster automatically, i had to restart kamailio to get them again on DMQ list.
My doubts here are:

Is this an expected behavior of DMQ module?

Is there any way of put them again on DMQ bus without need restart kamailio?

Thank you

Best Regards

José Seabra
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