[asterisk-users] Asterisk -rx, how expensive is it? Should you avoid "spamming" it?

[Mikael Fredin]

Ah read your reply too late, yeah I will look into using the AMI.


On 24 April 2014 20:58, Scott Griepentrog <sgriepentrog at digium.com> wrote:

> That's a good point also - if you're doing something automated, AMI is
> likely a better option.  The connection to Asterisk is persistent, and
> information output is structured and we take pains not to break the API
> definition, which is not true of CLI output.
>
>
> On Thu, Apr 24, 2014 at 12:47 PM, Tzafrir Cohen <tzafrir.cohen at xorcom.com>wrote:
>
>> On Thu, Apr 24, 2014 at 12:20:37PM +0200, Mikael Fredin wrote:
>> > Just like the subject sais - how expensive is it to execute a lot of
>> these
>> > commands to keep track of different things in asterisk?
>> >
>> > I have avoided doing this because it feels a bit like a risk to spam the
>> > asterisk CLI this way, but is it really?
>> >
>> > CPU-wise it doesn't seem very expensive to do it 100 times a second
>> (from a
>> > simple test I did), but is it possible it will affect the asterisk
>> service
>> > in any other negative way?
>>
>> It "feels" very expensive. Part of it is because of starting a new
>> instance of Asterisk. It will not load any module and such, but if you
>> care about speed, you can use netcat (it takes some care).
>>
>> You'll also encounter some artificial delays in the response which make
>> it feel more expensive.
>>
>> The main reason to avoid it is because its output is not intended for
>> automated parsing.
>>
>> --
>>                Tzafrir Cohen
>> icq#16849755              jabber:tzafrir.cohen at xorcom.com
>> +972-50-7952406           mailto:tzafrir.cohen at xorcom.com
>> http://www.xorcom.com
>>
>> --
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>
>
>
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> Scott Griepentrog
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