[asterisk-bugs] [JIRA] (ASTERISK-27985) PJSIP: Does not respond to INVITES when any taskprocessor queue length is > high water level

[xrobau (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=244253#comment-244253 ] 

xrobau commented on ASTERISK-27985:
-----------------------------------

>  This is not the cause of the audio issue you are trying to replicate.

Just to confirm, yes. This has nothing to do with the audio issue. Would you like me to create a new ticket about that, to braindump what I currently know, or, would you prefer me to comment on ASTERISK-26257? (Basically, asterisk freezes briefly when AGI() is called, causing audio glitches, but I'm having great difficulty actually getting a machine into that state artificially)

> PJSIP: Does not respond to INVITES when any taskprocessor queue length is > high water level
> --------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-27985
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27985
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: CEL/cel_odbc
>    Affects Versions: 15.4.1, 13.22.0
>         Environment: FreePBX 14, SNG7
>            Reporter: xrobau
>              Labels: pjsip
>         Attachments: pjsip-ignored.txt
>
>
> We've had sporadic reports of AGIs causing audio glitches on heavy systems (which we believe is related to ASTERISK-26257 but is NOT limited to confbridge, MOH and Playback/Background is also affected).
> {code}
> exten => 998,1,Answer
>  same => n,Dial(Local/999 at from-internal-custom/n,300,gm(default))
>  same => n,Playback(beep)
>  same => n,Goto(1)
> exten => 999,1,Set(COUNT=0)
>  same => n(loop),GotoIf($[ ${COUNT} > 1000 ]?toomany)
>  same => n,Gosub(testtrigger)
>  same => n,Set(COUNT=$[ ${COUNT} + 1 ])
>  same => n,Goto(loop)
>  same => n(toomany),Hangup
>  same => n(testtrigger),Dial(SIP/8675309 at 127.0.0.1:5160,1,g)
>  same => n,Return
> {code}
> The above dialplan simulates a call entering the 'from-pstn' context of FreePBX, which then does - after the standard dialplan - a Hangup. 
> This causes Asterisk to create about 20-30 calls per second (but does not trigger the audio issue, unfortunately).  It does however trigger a new issue where PJSIP channel INVITES are ignored until the cel_aggregation_topic queue is empty:
> {code}
> Processor                                      Processed   In Queue  Max Depth  Low water High water
> ... skipped lines ...
> subm:cdr_engine-00000003                         5780891          0       2347       4500       5000
> subm:cel_aggregation_topic-00000006              4968215     786689    2961396       2700       3000
> subm:endpoint_topic_all-cached-00000008              794          0         13        450        500
> subm:endpoint_topic_all-cached-0000005a              778          0         13        450        500
> subm:manager_topic-00000007                      5962603          0        344       2700       3000
> {code}
> While the queue is being processed, pjsip calls are ignored.  chan_sip calls are answered and processed correctly, increasing the queue size.



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