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Justin.Sherrill at ame...
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 Posted: Mon Feb 10, 2014 9:35 am Post subject: [asterisk-users] Lots of calls, less memory |
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We're running Asterisk 1.8 on a 32-bit Debian machine, and it has been fine for some time now. But! We've got such a incoming call volume over the few weeks that we'll have Asterisk occasionally restart itself. My hunch is that it is in part memory pressure.
I can't add RAM and have it help, because it's 32-bit. I intend to move to a 64-bit machine, but I was hoping to wait until summer. Does anyone have any immediate tips for dealing with this sort of rush?
Justin Sherrill - American Rock Salt
P: 585-991-6825 F: 585-991-6925
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ispbuilder at gmail.com
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| Posted: Mon Feb 10, 2014 9:44 am Post subject: [asterisk-users] Lots of calls, less memory |
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On 14-02-10 10:37 AM, Justin Sherrill wrote:
| Quote: | We're running Asterisk 1.8 on a 32-bit Debian machine, and it has been fine for some time now. But! We've got such a incoming call volume over the few weeks that we'll have Asterisk occasionally restart itself. My hunch is that it is in part memory pressure.
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What log entries are leading you to think that you're running out of RAM?
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Justin.Sherrill at ame...
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| Posted: Mon Feb 10, 2014 10:26 am Post subject: [asterisk-users] Lots of calls, less memory |
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On 14-02-10 9:46 AM, Mike wrote:
| Quote: | What log entries are leading you to think that you're running out of RAM?
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None. It's just my guess. The log doesn't show anything except Asterisk restarting.
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asterisk at voipbusine...
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| Posted: Mon Feb 10, 2014 10:38 am Post subject: [asterisk-users] Lots of calls, less memory |
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Rather than speculate, take a look at the output of "top". If you're
running out of memory, shut down useless processes. You'd be surprised what
processes get started by default that you don't need. You should also check
the Asterisk logs and look at the last few things Asterisk did right before
it restarted. You may also want to consider not loading Asterisk modules
that you are never going to use. Just a suggestion.
Regards;
John
-----Original Message-----
From: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Justin
Sherrill
Sent: Monday, February 10, 2014 10:27 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Lots of calls, less memory
On 14-02-10 9:46 AM, Mike wrote:
| Quote: | What log entries are leading you to think that you're running out of RAM?
|
None. It's just my guess. The log doesn't show anything except Asterisk
restarting.
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asterisk.org at sedwar...
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| Posted: Mon Feb 10, 2014 12:54 pm Post subject: [asterisk-users] Lots of calls, less memory |
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On Mon, 10 Feb 2014, Justin Sherrill wrote:
| Quote: | We're running Asterisk 1.8 on a 32-bit Debian machine, and it has been
fine for some time now. But! We've got such a incoming call volume
over the few weeks that we'll have Asterisk occasionally restart itself.
My hunch is that it is in part memory pressure.
|
I'm a 1.2 Luddite, but...
I suspect it's not RAM.
I have a CentOS 32bit box with 2GB that has 350 calls right now (last
night's peak was 420), most in meetme conferences.
How many concurrent calls are you handling?
How much RAM is Asterisk consuming on your box?
Any obese AGIs? I run tons of AGIs, but I write them in C.
Does 'vmstat 5' show swapping?
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Newline Fax: +1-760-731-3000
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Justin.Sherrill at ame...
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| Posted: Mon Feb 10, 2014 1:47 pm Post subject: [asterisk-users] Lots of calls, less memory |
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To follow up the discussion - yeah, it's not RAM, or at least not directly. I'm so used to looking in the asterisk logs I didn't think to look at /var/log/messages:
Feb 10 09:10:45 telephone-retsof kernel: [35734.705648] asterisk[11215]: segfault at ffa2048e ip b70a3def sp b540a000 error 4 in libpri.so.1.4[b708b000+47000]
We are slightly behind the current libpri release.
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asterisk at a-domani.nl
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| Posted: Mon Feb 10, 2014 5:10 pm Post subject: [asterisk-users] Lots of calls, less memory |
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On Mon, 2014-02-10 at 10:39 -0500, Tech Support wrote:
| Quote: | Rather than speculate, take a look at the output of "top". If you're
running out of memory, shut down useless processes. You'd be surprised what
processes get started by default that you don't need. You should also check
the Asterisk logs and look at the last few things Asterisk did right before
it restarted. You may also want to consider not loading Asterisk modules
that you are never going to use. Just a suggestion.
Regards;
John
-----Original Message-----
From: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Justin
Sherrill
Sent: Monday, February 10, 2014 10:27 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Lots of calls, less memory
On 14-02-10 9:46 AM, Mike wrote:
| Quote: | What log entries are leading you to think that you're running out of RAM?
|
None. It's just my guess. The log doesn't show anything except Asterisk
restarting.
|
how about running "free" or "vmstat" inside cron every hour or so?
If you do a "vmstat 1 10" each hour on the hour, it tells you 10 times
with one second interval the amount of mem you got.
If you do that within cron, you can see the difference during a couple
of days.
Running out of mem, will cause unexpected results (to be found in
syslog), though rebooting should not be one of them.
for unintended reboots there are a lot of hardware related causes though
Some are easier to detect (like high temp) some are harder.
My most favorite is a moron-co-worker, touching sensative parts (cpu,
mem, mobo) with his ESD-unprotected hands. Problems might show up even
after months or years after the crime has been commited.
hw
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