[asterisk-users] Asterisk -rx, how expensive is it? Should you avoid "spamming" it?
mikael at wiraya.com
Thu Apr 24 14:12:39 CDT 2014
Thank you, that's very useful information! Does the same go for issuing a
"sip show peers" through the AMI? And do you know where I could find
information of what asterisk versions may use cached information instead?
What would you suggest be better ways to monitor asterisk information?
On 24 April 2014 17:58, Scott Griepentrog <sgriepentrog at digium.com> wrote:
> How much Asterisk is affected depends on both how often you run a command,
> and even more significantly, what command you run (and which version of
> Commands that display information about every active channel, for example
> "sip show peers", may slow other processing significantly because they have
> to briefly lock the data structures to insure valid information. There
> have been improvements in more recent versions of Asterisk that reduce the
> negative affects of this by looking at cached information instead of
> locking everything.
> On the other hand, requesting specific information (sip show peer X) or
> more generic information (sip show inuse) will have much less affect on
> other activity in Asterisk.
> On Thu, Apr 24, 2014 at 5:20 AM, Mikael Fredin <mikael at wiraya.com> 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?
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> Scott Griepentrog
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