[asterisk-users] Asterisk Peaking and 91 Calls And not a Dime More!

[Paul Belanger]

On 13-04-09 02:49 PM, Nick Khamis wrote:
> Hello Everyone,
>
> We are running some torcher tests on our * box using SIPP. The overall idea
> of the test is to contact asterisk and play a g729 encoded recording. On
> the asterisk side, we are initiating the echo app for the contacted
> extension, simulating a two way conversation.
>
> For some reason we cannot get past *91* calls on every test, with a lot of
> resources left:
>
> *top*
>
> top - 14:28:45 up 1 day,  1:45,  2 users,  load average: 1.09, 0.80, 0.59
> Tasks:  56 total,   1 running,  55 sleeping,   0 stopped,   0 zombie
> %Cpu(s):  7.6 us,  8.5 sy,  0.0 ni, 82.7 id,  0.0 wa,  0.0 hi,  1.2 si,
>   0.0 st
> KiB Mem:   3825108 total,   164480 used,  3660628 free,    16324 buffers
> KiB Swap:  2097148 total,        0 used,  2097148 free,    97404 cached
>
>    PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM     TIME+ COMMAND
>
>   7229 root      20   0 70400  25m 5808 S  35.5  0.7   7:29.26 asterisk
>
>
>
>
> *iftop*
>
> Press H or ? for help       1.91Mb       3.81Mb        5.72Mb
> 7.63Mb                 9.54Mb
> └────────────────┴─────────┴───────┴────────┴────────────
> test.example.com                                  => 192.168.2.100
>      1.75Mb  1.75Mb  1.71Mb
>                                                              <=
>                        1.70Mb  1.70Mb  1.66Mb
> test.example.com                                  => db.example.com
>   37.3Kb  37.3Kb  36.5Kb
>                                                              <=
>                        10.1Kb  10.1Kb  9.87Kb
>
> ────────────────────────────────────────────────────────────
> TX:             cumm:  8.28MB   peak:   1.79Mb           rates:   1.79Mb
>   1.79Mb  1.74Mb
> RX:                         7.93MB              1.72Mb
>   1.71Mb  1.71Mb  1.67Mb
> TOTAL:                   16.2MB              3.51Mb
>   3.50Mb  3.50Mb  3.41Mb
>
>
>
> The SIPP Results
>
>
> ------------------------------ Scenario Screen -------- [1-9]: Change
> Screen --
>    Call-rate(length)   Port   Total-time  Total-calls  Remote-host
>    10.0(0 ms)/1.000s   5060    2089.21 s        20802  192.168.2.10:5060(UDP)
>
>    0 new calls during 0.000 s period      0 ms scheduler resolution
>    0 calls (limit 100)                    Peak was 91 calls, after 9 s
>    0 Running, 332 Paused, 0 Woken up
>    0 dead call msg (discarded)            0 out-of-call msg (discarded)
>
>    1 open sockets
>
>                                   Messages  Retrans   Timeout
> Unexpected-Msg
>        INVITE ---------->         20802     0         0
>           100 <----------         20802     0         0         0
>           180 <----------         0         0         0         0
>           200 <----------  E-RTD1 20802     0         0         0
>
>           ACK ---------->         20802     0
>                [ NOP ]
>         Pause [   8000ms]         20802                         0
>                [ NOP ]
>         Pause [   1000ms]         20802                         0
>           BYE ---------->         20802     0         0
>           200 <----------         20802     0         0         0
>
> ------------------------------ Test Terminated
> --------------------------------
>
>
> ----------------------------- Statistics Screen ------- [1-9]: Change
> Screen --
>    Start Time             | 2013-04-09 14:08:07:797 1365530887.797642
>
>    Last Reset Time        | 2013-04-09 14:42:57:025 1365532977.025339
>
>    Current Time           | 2013-04-09 14:42:57:025 1365532977.025537
>
> -------------------------+---------------------------+--------------------------
>    Counter Name           | Periodic value            | Cumulative value
> -------------------------+---------------------------+--------------------------
>    Elapsed Time           | 00:00:00:000              | 00:34:49:227
>
>    Call Rate              |    0.000 cps              |    9.957 cps
>
> -------------------------+---------------------------+--------------------------
>    Incoming call created  |        0                  |        0
>
>    OutGoing call created  |        0                  |    20802
>
>    Total Call created     |                           |    20802
>
>    Current Call           |        0                  |
>
> -------------------------+---------------------------+--------------------------
>    Successful call        |        0                  |    20802
>
>    Failed call            |        0                  |        0
>
> -------------------------+---------------------------+--------------------------
>    Response Time 1        | 00:00:00:000              | 00:00:00:003
>
>    Call Length            | 00:00:00:000              | 00:00:09:010
>
> ------------------------------ Test Terminated
> --------------------------------
>
>
>
> Can we clear OS and * bottlenecks down into the different parts:
>
> OS - Simple commands such as ulimit etc...
> Asterisk - Startup directives that will increase whatever (i.e., allocated
> memory, -p value)
>
> before addressing hardware resources?
>
> Your help is greatly appreciated,
>
> Nick.
>
You failed to say what happens when 92 channels are created.  Show us 
your errors.

-- 
Paul Belanger | PolyBeacon, Inc.
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