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<div class="moz-cite-prefix">Hello Ionut,<br>
<br>
I would consider increasing the UDP buffers first. Here are the
default sizes in the 3.2 kernel:<br>
<br>
<i>liviu@Workstation:~$ cat /proc/sys/net/ipv4/udp_wmem_*</i><i><br>
4096<br>
</i><i><i>liviu@Workstation:~$ </i>cat
/proc/sys/net/ipv4/udp_rmem_*</i><br>
<i>4096</i><br>
<br>
If you see they are still getting full after setting them to 16MB,
for example, then you need extra workforce from OpenSIPS.<br>
<br>
Best regards,<br>
<pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
On 12/17/2013 02:45 PM, Ionut Muntean wrote:<br>
</div>
<blockquote cite="mid:52B0475B.7090501@gmail.com" type="cite">
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<div class="moz-cite-prefix">Hi,<br>
<br>
So if <i>Send-Q</i> and <i>Recv-Q </i>are above 0 for say,
half a second, that means that the buffers are getting
constantly full and there is need for more opensips children?<br>
<br>
BR,<br>
Ionut<br>
<br>
On 12/17/2013 02:42 PM, Miha wrote:<br>
</div>
<blockquote cite="mid:52B046B2.4070604@softnet.si" type="cite">
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tnx!<br>
<br>
see now it is 0.<br>
<br>
br,<br>
miha<br>
<br>
<div class="moz-cite-prefix">Dne 12/17/2013 1:40 PM, piše Liviu
Chircu:<br>
</div>
<blockquote cite="mid:52B04644.5040500@opensips.org" type="cite">
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charset=ISO-8859-1">
<div class="moz-cite-prefix">You don't see the <i>Send-Q</i>
and <i>Recv-Q</i> columns?<br>
<br>
liviu@Workstation:~$ netstat --version<br>
net-tools 1.60<br>
netstat 1.42 (2001-04-15)<br>
<pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
On 12/17/2013 02:26 PM, Miha wrote:<br>
</div>
<blockquote cite="mid:52B042DB.6090908@softnet.si" type="cite">
Liviu,<br>
<br>
just one thing. How can I monitor opensips buffers to see if
they are getting full?<br>
<br>
whith <i>watch -n0.1 'netstat -ulnp </i>I can see on which
port and protocil opensips is listening.<br>
<br>
tnx!<br>
<br>
miha
<div class="moz-cite-prefix">Dne 12/17/2013 12:48 PM, piše
Liviu Chircu:<br>
</div>
<blockquote cite="mid:52B03A09.6000400@opensips.org"
type="cite">
<div class="moz-cite-prefix">You could monitor the UDP
receive queue on your interfaces with:<br>
<br>
<i>watch -n0.1 'netstat -ulnp'</i><br>
<br>
If you constantly see your OpenSIPS listening interface
buffers getting full, then you need more than 8 SIP
workers.<br>
<br>
Best regards,<br>
<pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
On 12/17/2013 12:56 PM, Miha wrote:<br>
</div>
<blockquote cite="mid:52B02DF6.6080803@softnet.si"
type="cite"> Liviu,<br>
<br>
tnx I am using DB queries, exec commands (this happends
only for sending mail due to some abuse, very very <span
id="result_box" class="short_text" lang="en"><span
class="hps">rarely</span></span>), enum lookup,
radius for accouting, load_balancing,... and CPU has 8
cors.<br>
<br>
I have set number of children to 8. Is there any way to
determine if this is ok or how will I know? Is it better
to use 12?<br>
<br>
br,<br>
miha<br>
<br>
<br>
<div class="moz-cite-prefix">Dne 12/17/2013 11:37 AM,
piše Liviu Chircu:<br>
</div>
<blockquote cite="mid:52B02984.2000600@opensips.org"
type="cite">
<div class="moz-cite-prefix">Hello,<br>
<br>
There is no simple answer, choosing the appropriate
number of children is scenario-dependant.<br>
<br>
If, for example, you are not performing I/O
operations (DB queries, exec commands, etc.), then
the number of children should be dictated by the <b>number
of cores</b> on your box.<br>
<br>
On the other side, when your SIP workers will
perform lots of disk operations (which are slow),
then you should use a lot more children than
mentioned above. (e.g. 12, 16 or 20 children).<br>
<br>
Best regards,<br>
<pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
On 12/17/2013 09:56 AM, Miha wrote:<br>
</div>
<blockquote cite="mid:52B0039B.8070905@softnet.si"
type="cite">Hi, <br>
<br>
how to dermine how many children do I need (default
I have 4)? <br>
I did not find any appropriate explanation. <br>
<br>
tnx! <br>
<br>
miha <br>
<br>
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