+1 in this situation haha, also hoping to get some nice input :D On Mon, Sep 26, 2022 at 9:20 AM Matteo Brancaleoni <[email protected]> wrote:
> Well, > > I asked a similar question here > https://lists.kamailio.org/pipermail/sr-users/2022-July/115160.html but > no answer yet :) > > What I see on my side is that it indeed works, the only drawback is that > the same contact is getting synced to DB, which causes a duplicate error > unless you use the "db_insert_update" option. > > Done that seems that it works ok (did tested in prod yet), and I had the > all the contacts live on all nodes and on db. The only downside that maybe > can happen is that the periodic sync may skew a bit the expire time and > maybe give a contact some more seconds, but it really depends on timings of > the clusters. > > But I'm really interested in the answer, too :) > > -- Matteo > > > On Mon, Sep 26, 2022 at 4:07 PM Alex Balashov <[email protected]> > wrote: > >> Hi, >> >> Are there any known contraindications for replicating contacts using >> dmq/dmq_usrloc, and injecting those contacts into a database on one of the >> nodes using usrloc with `db_mode` 1 or 2? >> >> Predictably, this is being done to support the use-case of getting >> registration status from database. If you think this should be done with >> JSONRPC, I am in complete agreement with you, but it’s not up to me. :-) >> >> I am doing this with `db_mode` 2 now, and finding that, for a small >> number of AORs, one can find instances where they are consistently stored >> in memory but not present in the `location` table. The overall proportion >> of these AORs, out of thousands, seems to be quite small. It was initially >> somewhat higher, and it went down once I increased usrloc `timer_processes` >> and increased the sync interval from 30 to 60 seconds. >> >> Nevertheless, it is still non-zero, and I am getting intermittent >> reports. I wonder if there are some prior experiences with this and >> anything to watch out, or if `db_mode` 1 might be a superior choice. I >> personally cannot see how that would be; it seems to have all the >> performance downsides of mode 3. But perhaps if something about it is more >> “problem-free” vis-a-vis DMQ, it’s worth a shot? >> >> — Alex >> >> -- >> Alex Balashov | Principal | Evariste Systems LLC >> >> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) >> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ >> >> >> __________________________________________________________ >> Kamailio - Users Mailing List - Non Commercial Discussions >> * [email protected] >> Important: keep the mailing list in the recipients, do not reply only to >> the sender! >> Edit mailing list options or unsubscribe: >> * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions > * [email protected] > Important: keep the mailing list in the recipients, do not reply only to > the sender! > Edit mailing list options or unsubscribe: > * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >
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