[asterisk-bugs] [JIRA] (ASTERISK-29232) Memory Leak since 16.13.0

[Benjamin Keith Ford (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-29232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Keith Ford updated ASTERISK-29232:
-------------------------------------------

    Assignee: Luke Escude  (was: Unassigned)
      Status: Waiting for Feedback  (was: Triage)

We may just have to open this one up as a general investigation to see where we may have leaks, narrowing the scope down to those files you've listed. A couple of questions:
# Do you have a list of standard operations being done for the customer, such as type of calls, ARI applications, fax, etc.? Might help narrow down the scope a bit further.
# It may not be necessary, but when someone looks at the issue, would it be possible to gain access to the customer's machine if we cannot reproduce the issue on our end?

> Memory Leak since 16.13.0
> -------------------------
>
>                 Key: ASTERISK-29232
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29232
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/PBX
>    Affects Versions: 16.15.0
>         Environment: CentOS 7 x64
>            Reporter: Luke Escude
>            Assignee: Luke Escude
>         Attachments: Apex-Analysis.xlsx, cw1-memchart.png, Jan6-1401.csv, nw1-memchart.png, PW3-Memchart.png
>
>
> So we have around 100 instances of Asterisk 16.13.0 that have been running for over 2 months, normal load (small businesses with less than 30 users each), without issue.
> We have another 350 instances of Asterisk 16.15.0 that we've started seeing a very linear increase in memory consumption over time. Specifically, we see higher-load instances (150+ users) last only a few days before hitting our artificial 3GB ceiling and getting restarted by the OOM killer.
> There are very few differences in our implementation of the 16.13 and 16.15 versions. All versions are set up as the following:
> - CentOS 7 64-bit
> - Voicemail over ODBC
> - unixODBC 2.3.1
> - MariaDB Connector (instead of the crappy mysql connector)
> - CDR over MySQL
> - SIP Trunks are registered every 2 minutes, qualified every 15 seconds.
> - User devices register every 10 minutes, qualified every 15 seconds.
> - User devices connect via TCP more often than UDP.
> - I have NO pjsip threadpool configuration options defined. I think the default is 50 threads?
> Here is what I am about to test within the next week:
> 1. unixODBC updated to 2.3.9
> 2. Longer SIP Trunk Registration period - Maybe PJSIP is working too hard?
> 3. Longer qualify timeout - Maybe PJSIP is working too hard?
> One of my first questions: Is it SAFE to compile asterisk with MALLOC_DEBUG and just leave it on permanently? I am scared to enable it, and suddenly have a bunch of users that are experiencing issues because I've enabled something that should only be enabled in Dev.
> Sorry for the length of the post, trying to cover as much ground as possible.



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