[asterisk-bugs] [JIRA] (ASTERISK-26806) pjsip_options: rework to make more efficient

[Joshua Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-26806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua Colp updated ASTERISK-26806:
-----------------------------------

    Attachment: ASTERISK-26806.diff

I've attached my rewrite of OPTIONS support which should resolve the performance issues and still be good. This is against 13.

It needs to go to through more testing but if anyone wants to try it, then they can.

> pjsip_options: rework to make more efficient
> --------------------------------------------
>
>                 Key: ASTERISK-26806
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26806
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip
>    Affects Versions: 13.14.0
>            Reporter: Kevin Harwell
>            Assignee: Joshua Colp
>              Labels: pjsip
>         Attachments: ASTERISK-26806.diff, endpoint_ids.1000, endpoint_ids.2000, endpoint_ids.3000, pjsip.conf.1000.txt, pjsip.conf.2000.txt, pjsip.conf.3000.txt, pjsip.conf.txt, register-noauth-inject.xml, subscribe-inject.xml
>
>
> Currently the pjsip_options code is plagued with efficiency issues. Testing revealed a marked increase in CPU utilization between versions (at least between 13.7.0 and the current branch/13.14+).
> Testing included ~3000 loaded (via config file) endpoints where at least 500 of those were then registered and subscribed. On my machine I noticed at least a 10-15% cpu increase between versions when options were being sent out. Turning off options (qualify_frequency=0) I noted no increase in cpu.
> Two primary issues need to be resolved:
> 1.  Find out why we are spending more time now when sending notifies and fix it.
> 2. If static contacts are used or a bunch of endpoints have registered and asterisk is [re]started/[re]loaded there is a significant slowdown within the options code. This actually blocks until it completes, which as the number of registered contacts increases so does the block/wait time. This needs to be fixed as well.



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