Hello Daniel,
Thanks for the feedback. I think I might have been too quick to blame
htable for this behaviour. In fact, version 5.4 seems to consume more
memory than 5.5 (175129776 bytes vs 20581096), which makes sense since it
has been running for longer (I missed the extra digit previously).
So I'm not sure htable is to blame. On the other hand, I don't see any
other modules using up too much of shmem either, so maybe memory stats
can't provide the answer here?
To answer your question, though, I do use DMQ and both tables that use it
have autoexpire set to the same value on both 5.4 and 5.5:
/etc/kamailio# grep dmq kamailio-module-params.cfg
modparam("dmq", "server_address", "sip:172.30.43.1:5090")
modparam("dmq", "notification_address",
"sip:dmq.services.mydomain.com:5090")
modparam("dmq", "multi_notify", 1)
modparam("htable", "enable_dmq", 1)
modparam("htable", "htable",
'cid2hi=>size=8;autoexpire=600;dmqreplicate=1')
modparam("htable", "htable",
'xcid2count=>size=8;autoexpire=600;dmqreplicate=1')
On Wed, 30 Jun 2021 at 17:43, Daniel-Constantin Mierla <miconda(a)gmail.com>
wrote:
Hello,
do you replicate items in the htable via dmq? Does the htable have
autoexpire value set?
Cheers,
Daniel
On 30.06.21 13:54, George Diamantopoulos wrote:
Forwarding my reply to the list, using gmail's reply button set Henning as
the sole recipient :-\
---------- Forwarded message ---------
From: George Diamantopoulos <georgediam(a)gmail.com>
Date: Sat, 26 Jun 2021 at 02:25
Subject: Re: [SR-Users] Possible memory leak on 5.5.x (new)?
To: Henning Westerholt <hw(a)skalatan.de>
Hello Henning,
Thanks for your reply. Here's what has come up after a few hours:
shm55:
https://pastebin.com/h9JCePmc
shm54:
https://pastebin.com/Nx5xEEnA
It seems to me htable is the culprit? Are you seeing anything different?
54 has been running for 77020 seconds, 55 for 28521 (significantly less).
I'm going to turn it off until we figure something out...
BR,
George
On Fri, 25 Jun 2021 at 18:17, Henning Westerholt <hw(a)skalatan.de> wrote:
Hello,
Good observation. Please run the memory statistics CLI commands to get
more hints about the module that might cause it (as per below link). Then
please report more details. If you can point to a particular module, you
can also open an issue on our tracker.
https://www.kamailio.org/wiki/tutorials/troubleshooting/memory
Cheers,
Henning
*From:* sr-users <sr-users-bounces(a)lists.kamailio.org> *On Behalf Of *George
Diamantopoulos
*Sent:* Friday, June 25, 2021 4:53 PM
*To:* Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
*Subject:* [SR-Users] Possible memory leak on 5.5.x (new)?
Hello all,
I'm still investigating the (most likely non-kamailio-related) memory
leak of my previous message to the list, there have been no developments so
far. I'll update if anything changes.
This concerns a new finding which seems to affect kamailio 5.5.x. I have
two kamailio instances receiving the same traffic via round-robin. I
upgraded only one of them to 5.5.1 and left the other to 5.4.6 as I feared
of any issues arising. I was lucky to do so, because with identical
configuration, 5.5.x seems to run out of SHM very quickly. Here are links
to graphs produced by our monitoring system:
Old kamailio (no memory leak):
https://pasteboard.co/K8fVBiD.png
New kamailio (possible leak):
https://pasteboard.co/K8fVS9N.png
The configuration uses mtree, htable, vars and vns extensively. Has
anyone come across anything similar? Let me know if I can provide any
further information to help disect this. Thanks!
BR,
George
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Daniel-Constantin Mierla --
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