asterisk users - Jan 2016 - asterisk 13 mixmonitor - random missing syllables

Dne 27.1.2016 v 17:50 A J Stiles napsal(a):
> On Wednesday 27 Jan 2016, Marek ?ervenka wrote:
>> Dne 27.1.2016 v 13:14 A J Stiles napsal(a):
>>> On Wednesday 27 Jan 2016, Marek ?ervenka wrote:
>>>> hi,
>>>>
>>>> i have strange problem with asterisk 13 mixmonitor, recording
to wav
>>>> (centos6)
>>>> when the system is under load, there are sometimes missing
syllable
>>>>
>>>> there arent BIG spikes on cpus
>>>> recordings are to ramdisk (/dev/shm)
>>>>
>>>> any hints?
>>> First, try recording to a real disk  (preferrably a separate drive,
so
>>> nothing else will be seeking the heads about; and connected by
SATA, not
>>> USB, for full speed).  Does that work any better?
>> i tried before. IO is not the problem
> Are you saying that it records fine when you use a real disk, but not with
a
> ramdisk?
>
> And why are you using a ramdisk for your mixmonitor recordings?
>
i have problem in both scenarios
im using ramdisk because is faster and IO cannot be problem

-- 
---------------------------------------
Marek Cervenka
=======================================

when you say load - how many concurrent calls? Is there transcoding
happening? sip / PRIs ? what load?

On Thu, Jan 28, 2016 at 9:57 AM, Marek ?ervenka <cervajs at fpf.slu.cz>
wrote:
> Dne 27.1.2016 v 17:50 A J Stiles napsal(a):
>
>> On Wednesday 27 Jan 2016, Marek ?ervenka wrote:
>>
>>> Dne 27.1.2016 v 13:14 A J Stiles napsal(a):
>>>
>>>> On Wednesday 27 Jan 2016, Marek ?ervenka wrote:
>>>>
>>>>> hi,
>>>>>
>>>>> i have strange problem with asterisk 13 mixmonitor,
recording to wav
>>>>> (centos6)
>>>>> when the system is under load, there are sometimes missing
syllable
>>>>>
>>>>> there arent BIG spikes on cpus
>>>>> recordings are to ramdisk (/dev/shm)
>>>>>
>>>>> any hints?
>>>>>
>>>> First, try recording to a real disk  (preferrably a separate
drive, so
>>>> nothing else will be seeking the heads about; and connected by
SATA, not
>>>> USB, for full speed).  Does that work any better?
>>>>
>>> i tried before. IO is not the problem
>>>
>> Are you saying that it records fine when you use a real disk, but not
>> with a
>> ramdisk?
>>
>> And why are you using a ramdisk for your mixmonitor recordings?
>>
>>
> i have problem in both scenarios
> im using ramdisk because is faster and IO cannot be problem
>
> --
> ---------------------------------------
> Marek Cervenka
> ======================================>
>
> --
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Dne 28.1.2016 v 13:37 Brian :: napsal(a):
> when you say load - how many concurrent calls? Is there transcoding 
> happening? sip / PRIs ? what load?
>
12  concurrent calls

no transcoding

SIP

under 1.5 with 4x  1Ghz vcpus  (its vmware VPS)
> On Thu, Jan 28, 2016 at 9:57 AM, Marek ?ervenka <cervajs at fpf.slu.cz 
> <mailto:cervajs at fpf.slu.cz>> wrote:
>
>     Dne 27.1.2016 v 17:50 A J Stiles napsal(a):
>
>         On Wednesday 27 Jan 2016, Marek ?ervenka wrote:
>
>             Dne 27.1.2016 v 13:14 A J Stiles napsal(a):
>
>                 On Wednesday 27 Jan 2016, Marek ?ervenka wrote:
>
>                     hi,
>
>                     i have strange problem with asterisk 13
>                     mixmonitor, recording to wav
>                     (centos6)
>                     when the system is under load, there are sometimes
>                     missing syllable
>
>                     there arent BIG spikes on cpus
>                     recordings are to ramdisk (/dev/shm)
>
>                     any hints?
>
>                 First, try recording to a real disk  (preferrably a
>                 separate drive, so
>                 nothing else will be seeking the heads about; and
>                 connected by SATA, not
>                 USB, for full speed).  Does that work any better?
>
>             i tried before. IO is not the problem
>
>         Are you saying that it records fine when you use a real disk,
>         but not with a
>         ramdisk?
>
>         And why are you using a ramdisk for your mixmonitor recordings?
>
>
>     i have problem in both scenarios
>     im using ramdisk because is faster and IO cannot be problem
>
-- 
---------------------------------------
Marek Cervenka
======================================
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