[OpenSIPS-Users] question on core statistics.

Mon Apr 22 06:17:12 UTC 2024

Goed morning,

How can I then increase opensips’s internal queue size?

Best regards, Johan

Verzonden vanuit Outlook voor iOS<https://aka.ms/o0ukef>
________________________________
Van: Bogdan-Andrei Iancu <bogdan at opensips.org>
Verzonden: Thursday, April 18, 2024 4:29:41 PM
Aan: OpenSIPS users mailling list <users at lists.opensips.org>; Johan De Clercq <Johan at democon.be>
Onderwerp: Re: [OpenSIPS-Users] question on core statistics.

The `drop_requests` statistic is incremented when:
* the request is dropped by a pre-script callback (like B2B when there is no script execution for certain messages)
* the stateless `forward()` core function failed to send out something.

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
  https://www.opensips-solutions.com
  https://www.siphub.com

On 18.04.2024 17:19, Johan De Clercq wrote:
No I don't.
what I find strange is that MAX_RECV_BUFFER_SIZE 262144 is the default value of net.core.rmem_max and net.core.rmem_default.

Op do 18 apr 2024 om 16:02 schreef Ben Newlin <Ben.Newlin at genesys.com<mailto:Ben.Newlin at genesys.com>>:

Are you calling drop() anywhere in your script?

https://www.opensips.org/Documentation/Script-CoreFunctions-3-4#toc13

Ben Newlin

From: Users <users-bounces at lists.opensips.org<mailto:users-bounces at lists.opensips.org>> on behalf of Johan De Clercq <Johan at democon.be<mailto:Johan at democon.be>>
Date: Thursday, April 18, 2024 at 5:27 AM
To: OpenSIPS users mailling list <users at lists.opensips.org<mailto:users at lists.opensips.org>>
Subject: Re: [OpenSIPS-Users] question on core statistics.

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would it make sense to recompile with other flags ? And how do I set them  (I don't find these of menuconfig's compile options)?

Currently it has MAX_RECV_BUFFER_SIZE 262144 and BUF_SIZE 65535.

Can somebody explain also what both flags mean.

Op do 18 apr 2024 om 11:07 schreef Johan De Clercq <Johan at democon.be<mailto:Johan at democon.be>>:

would it make sense to recompile with other flags ?

Currently it has MAX_RECV_BUFFER_SIZE 262144 and BUF_SIZE 65535.

Can somebody explain also what both flags mean.

flags: STATS: On, DISABLE_NAGLE, USE_MCAST, SHM_MMAP, PKG_MALLOC, F_MALLOC, FAST_LOCK-ADAPTIVE_WAIT

ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535

poll method support: poll, epoll, sigio_rt, select.

Op do 18 apr 2024 om 10:32 schreef Johan De Clercq <Johan at democon.be<mailto:Johan at democon.be>>:

Guys,

I have an opensips instance running with 24 worker children.

The worker load is very low.

UDP queues are on 50 megs.

when i query via the OS

cat /proc/net/udp

  sl  local_address rem_address   st tx_queue rx_queue tr tm->when retrnsmt   uid  timeout inode ref pointer drops

  590: 03231D0A:13C4 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 413684019 2 ffff880074820bc0 0

  591: 03231D0A:13C5 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 413766438 2 ffff880465e4a440 0

  592: 03231D0A:13C6 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 412035865 2 ffff8803e5a56b80 0

  934: 01231D0A:151C 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 26790 2 ffff88046c054840 0

  935: 0201FFEF:151D 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 26787 2 ffff88046c054bc0 0

  935: 01231D0A:151D 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 26791 2 ffff88046c0544c0 0

 1972: 00000000:D92A 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 15506 2 ffff88046dce5040 0

 5479: 00000000:E6DD 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 22811 2 ffff880465e4ab40 0

12075: AA0914AC:00A1 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 20572 2 ffff88086d020800 0

12075: 0100007F:00A1 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 20571 2 ffff88086d020b80 0

13320: 00000000:857E 00000000:0000 07 00000000:00000000 00:00000000 00000000   100        0 17515 2 ffff8800368ac780 0

15661: 00000000:CEA3 00000000:0000 07 00000000:00000000 00:00000000 00000000     0        0 15505 2 ffff8800368acb00 0

=> no drops

what worries me is that there are drop requests and they  go up when I query via the mi interface

opensipsctl fifo get_statistics drop_requests

core:drop_requests:: 198107

opensipsctl fifo get_statistics drop_requests

core:drop_requests:: 199157

opensipsctl_reg fifo get_statistics drop_requests

core:drop_requests:: 204116

I don't see any memory issue, also the processload is low.

so 3 questions:

- what exactly is drop_request.

- do I need to worry about this

- how can I make them go lower.

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