Hi, you are welcome!
for smsbox as well as for http SMSC in bearerbox we have following option to configure this behaviour: max-pending-requests number of messages Maximum number of pending MO or DLR messages that are handled in parallel. (Default: 512) Thanks, Alex > Am 22.05.2020 um 20:46 schrieb Paulo Correia <paulo.corr...@go4mobility.com>: > > Hi Alexander, > > Thank you for the tip! > > I've found the following errors: > > 2020-05-20 23:28:50 [52975] [10] ERROR: Couldn't create new socket. > 2020-05-20 23:28:50 [52975] [10] ERROR: System error 24: Too many open files > 2020-05-20 23:28:50 [52975] [10] ERROR: error connecting to server > `dlrreceiver_ip' at port `dlrreceiver_port' > 2020-05-20 23:28:50 [52975] [10] ERROR: Couldn't send request to > <http://dlrreceiver_ip:dlrreceiver_port/receive-dlr?type=8&mtMsgId=XXXXXXXXX&reply=ACK%2F&error=&dispatchId=XXXXXXX&meta=×tamp=XXXXXXX&sendMtUsername=aUsername > > <http://dlrreceiver_ip:dlrreceiver_port/receive-dlr?type=8&mtMsgId=XXXXXXXXX&reply=ACK%2F&error=&dispatchId=XXXXXXX&meta=×tamp=XXXXXXX&sendMtUsername=aUsername>> > > > I'll check what's needed to increase the limit of open files. > > Kind regards, > Paulo Correia > Head of Development > > telephone:+351210337760 fax: +351210337761 > email: paulo.corr...@go4mobility.com <mailto:paulo.corr...@go4mobility.com> > skype: pcorreia.g4m <applewebdata://561D0F0F-8066-4B87-80F8-0CF57D7C7D9E> > > <Outlook-fz2x4yom.png> <https://go4mobility.com/en> > <https://www.linkedin.com/company/go4mobility/> > _____________________________________________________________________________________________ > CONFIDENTIALITY > This message, as well as existing attached files, may be confidential and > privileged. Use or disclosure by anyone other than an intended recipient is > not authorised. > If you have received this message by error, you are kindly requested to > delete it and notify the sender. Thank you for your cooperation. > > From: Alexander Malysh <malys...@gmail.com> on behalf of Alexander Malysh > <amal...@kannel.org> > Sent: 22 May 2020 15:38 > To: Paulo Correia <paulo.corr...@go4mobility.com> > Cc: users@kannel.org <users@kannel.org> > Subject: Re: Unable to deliver DLRs: "Couldn't fetch..." > > Hi, > > do you have any errors except couldn’t fetch? mostly it’s because either > kannel ran out of filedexfriptors or > because receiving server is unable to accept that much connections from > kannel (or both). > > Check you kannel log file for other errors. > > Thanks, > Alex > > >> Am 21.05.2020 um 14:35 schrieb Paulo Correia <paulo.corr...@go4mobility.com >> <mailto:paulo.corr...@go4mobility.com>>: >> >> Hi fellow kannel users, >> >> We've been using kannel for quite some years and on the latest months we've >> seen an issue when processing DLRs on high traffic. >> >> We send the messages to kannel using HTTP with the /cgi-bin/sendsms adding >> the dlr-url and dlr-mask values as always have been sending. >> When kannel receives a DLR, it'll then send us an HTTP notification using >> the previously defined dlr-url for that message, assuming the dlr-mask >> matches the status. >> >> When the traffic is high, we normally get the following on our smsbox logs: >> 2020-05-21 00:02:58 [47847] [9] ERROR: Couldn't fetch >> <http://dlrreceiver_ip:dlrreceiver_port/receive-dlr?type=8&mtMsgId=XXXXXXXXX&reply=ACK%2F&error=&dispatchId=XXXXXXX&meta=×tamp=XXXXXXX&sendMtUsername=aUsername >> >> <http://dlrreceiver_ip:dlrreceiver_port/receive-dlr?type=8&mtMsgId=XXXXXXXXX&reply=ACK%2F&error=&dispatchId=XXXXXXX&meta=×tamp=XXXXXXX&sendMtUsername=aUsername>> >> >> We then have to parse the logs to obtain these "lost" DLRs and reprocess >> them. >> >> My questions: >> Has anyone seen this behaviour? >> Any hints how to solve it? >> What can cause this issue? >> Failure of processing on the dlrreceiver_ip:dlrreceiver_port ? >> Timeout on dlrreceiver_ip:dlrreceiver_port ? >> Could there be another way to send the DLRs instead of HTTP? >> Could they be stored in SQL? >> We even created a HAProxy to receive the requests and route them to the >> server, and in case of an issue, reroute them to an application that stores >> the "missed dlr" into the DB, but still doesn't cut it. >> >> Thanks in advance! >> >> Kind regards, >> Paulo Correia >> Head of Development >> >> telephone:+351210337760 fax: +351210337761 >> email: paulo.corr...@go4mobility.com <mailto:paulo.corr...@go4mobility.com> >> skype: pcorreia.g4m <applewebdata://561D0F0F-8066-4B87-80F8-0CF57D7C7D9E> >> >> <Outlook-ef2t2cv0.png> <https://go4mobility.com/en> >> <https://www.linkedin.com/company/go4mobility/> >> _____________________________________________________________________________________________ >> CONFIDENTIALITY >> This message, as well as existing attached files, may be confidential and >> privileged. Use or disclosure by anyone other than an intended recipient is >> not authorised. >> If you have received this message by error, you are kindly requested to >> delete it and notify the sender. Thank you for your cooperation. >> >> > >
