[asterisk-users] Suddenly the voicebecame garbage(likerobot)using Asterisk 1.4.19.2

[Danny Nicholas]

Dave, 
     In theory this is quite correct;  In real practice, Linux uses disk for
lots of background things and those of you using postgresql and/or realtime
are especially vulnerable.  A seemingly virtual task can be performing
thousands of IO operations per minute and if one or more of those is "hung",
performance will suffer considerably, even to the point of shutdown.  To
Emphasize, THIS IS NOT AN ASTERISK ISSUE, it is a Linux one.  Bandwidth,
particularly encrypted, is hardware dependent on many distros.  In my case
it could be strictly an Open SUSE 11.0 issue.

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of David Gibbons
Sent: Monday, June 01, 2009 8:57 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Suddenly the voicebecame
garbage(likerobot)using Asterisk 1.4.19.2

Danny,

Just out of curiosity, can you elaborate? Anything in use for asterisk
should be in cache by the time it's needed for a SIP stream. And nothing
related to a SIP stream should ever be read directly from the disk...

Unless I'm mistaken.

Thanks
Dave


<snip>
Since this is internal SIP, I'd probably vote for a memory leak, bandwidth
problem or hardware hiccup.  I've had a similar situation when a grep caused
pounding of a bad disk sector.
</snip>


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