Hi Ken,<br><br>Thanks for your reply.<br><br>if my below understanding correct?<br><pre>if i add below to the end of /etc/fstab, <br><b>tmpfs /usr/local/freeswitch/db tmpfs defaults 0 0 </b><br><br>and then reboot machine, the system will auto mount the tmpfs.
i don&#39;t need run mannually <b>mount /usr/local/freeswitch/db</b> before start freeswitch...<br><br>Thanks.<br><br>Regards,<br>Charles<br></pre><br><div class="gmail_quote">2011/4/23 Ken Rice <span dir="ltr">&lt;<a href="mailto:krice@freeswitch.org">krice@freeswitch.org</a>&gt;</span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">



<div>
<font face="Calibri, Verdana, Helvetica, Arial"><span style="font-size:11pt">Tmpfs is not a program... Read that page a little closer... That’s particular line is for your fstab...<br>
<br>
If you want to mount it from the command line its<br>
mount –o tmpfs tmpfs /usr/local/freeswitch/db    <br>
<br>
K<div><div></div><div class="h5"><br>
<br>
<br>
On 4/22/11 10:50 PM, &quot;fieldpeak&quot; &lt;<a href="http://fieldpeak@gmail.com" target="_blank">fieldpeak@gmail.com</a>&gt; wrote:<br>
<br>
</div></div></span></font><blockquote><font face="Calibri, Verdana, Helvetica, Arial"><span style="font-size:11pt"><div><div></div><div class="h5">i&#39;m trying tuning the FS to max performance on centos 5.5, and referred to <br>

<a href="http://wiki.freeswitch.org/wiki/Performance_testing_and_configurations#FreeSWITCH.27s_core.db_I.2FO_bottleneck" target="_blank">http://wiki.freeswitch.org/wiki/Performance_testing_and_configurations#FreeSWITCH.27s_core.db_I.2FO_bottleneck</a><br>

<br>
#1,  i configure the DB of FS to ramdisk ,<br>
<br>
when i run &quot;tmpfs /opt/freeswitch/db tmpfs defaults 0 0&quot;, it output: &quot;-bash: tmpfs: command not found&quot;<br>
<br>
#2,  i run &quot;ethtool -g eth0&quot;, the output is below, what value i should config for RX and TX for max performance...<br>
Ring parameters for eth0:<br>
Pre-set maximums:<br>
RX:             4096<br>
RX Mini:        0<br>
RX Jumbo:       0<br>
TX:             4096<br>
Current hardware settings:<br>
RX:             256<br>
RX Mini:        0<br>
RX Jumbo:       0<br>
TX:             256<br>
<br>
Apprecited if anyone help how to configure it... thanks!<br>
<br>
Regards,<br>
Charles<br>
<br>
<br>
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