Are you storing dlrs in a database? Without the proper indexes it performance will definitely degrade as it takes longer and longer to look up the dlr. Kannel doesn't optimize the dlr database. You need to do that. On Apr 24, 2016 5:55 AM, "Nanda Kumar P" <nanda.ku...@pelatro.com> wrote:
> Thanks for the quick response Vangelis. > > > > For point #1, All my texts are under less the 50 ASCII characters each. So > I expect one DLR for one outgoing SMS. > > > > Is there anything that I’m missing? > > > > Please do let me know if there is any other information required. I’ll be > happy to share. > > > > Thanks & Regards, > > Nanda > > > > *From:* Vangelis Typaldos [mailto:vty...@outlook.com] > *Sent:* 24 April 2016 15:19 > *To:* Nanda Kumar P; users@kannel.org > *Subject:* RE: Kannel TPS reduces gradually if DLR is used > > > > > > For point 1: It sounds like you get DLR for multipart sms. Note that for > multipart messages you receive DLR for each part. > > > > For point 2: You are absolutely correct. Ignore my statement. My bad. > > > > BR > > > > *From: *Nanda Kumar P <nanda.ku...@pelatro.com> > *Sent: *Sunday, April 24, 2016 10:34 AM > *To: *Vangelis Typaldos <vty...@outlook.com>; users@kannel.org > *Subject: *RE: Kannel TPS reduces gradually if DLR is used > > > > Thank you Vangelis. > > > > Few follow up questions though: > > 1. While I understand the point about the throughput dropping to > half, I fail to understand how it went as low as 25 per second. > > 2. What is the significance of changing the dlr-mask from 3 to 7 or > 15? Would it not lower the speeds further as it has to deal with calling > the dlr-url for two other flags aside from delivered and undelivered? > > > > Thanks & Regards, > > Nanda > > > > *From:* Vangelis Typaldos [mailto:vty...@outlook.com <vty...@outlook.com>] > > *Sent:* 24 April 2016 12:56 > *To:* Nanda Kumar P; users@kannel.org > *Subject:* RE: Kannel TPS reduces gradually if DLR is used > > > > The throughput assigned by your operator/smsc includes DLR activity. > > So the actual bind throughput would drop to the half you if you request > DLR for any MT. I would suggest to raise dlr-mask from 3 to 7 or 15. > > > > Kind Regards, > > Vangelis > > > > *From: *Nanda Kumar P <nanda.ku...@pelatro.com> > *Sent: *Sunday, April 24, 2016 8:08 AM > *To: *users@kannel.org > *Subject: *Kannel TPS reduces gradually if DLR is used > > > > Hi, > > > > I’m using kannel to send SMS to SMSC and in the send-sms url, I’m also > using the dlr-mask as 3 (Delivered and undelivered) and providing a dlr-url > callback for the same. > > I have set the throughput as 300/sec. > > > > If I do not use the delivery report, the TPS is consistent and close to > 300/sec. However, if I do use delivery report with the above said > parameters, the TPS starts from 300 but gradually reduces to less than 25 > per second. It would be great if someone can tell me what the reason for > this could be. > > > > Thanks & Regards, > > Nanda > > >
