https://community.checkpoint.com/t5/Firewall-and-Security-Management/CoreXL-SND-FW-calculation-oneliner/m-p/117903#M16683 <P>Hi,</P><P>based on <STRONG>sk163913</STRONG> I've created this simple script that can help you to calculate the recommended number of firewall workers:</P><P>mpstat -P ALL 10 1 |grep 'Average:[ ]\+[[:digit:]]\{1,2\}[ ]\+' |awk '$2 ~ /^(0|1|2|4)$/ { csnd += $NF; print $2 " SND " $NF; next }{ cfw += $NF; print $2 " fw " $NF} END { nfw=NR/(csnd/cfw+1); print "nfw = " nfw }'</P><P>Instead of '(0|1|2|4)' string put the numbers of the CPUs running as SND that reflect your case (fw ctl affinity -l -r).</P><P>Tested on R80.40 (Open server).</P><P>HTH</P><P>Peter</P> Fri, 07 May 2021 08:16:15 GMT benko2 2021-05-07T08:16:15Z https://community.checkpoint.com/t5/Firewall-and-Security-Management/CoreXL-SND-FW-calculation-oneliner/m-p/117903#M16683 <P>Hi,</P><P>based on <STRONG>sk163913</STRONG> I've created this simple script that can help you to calculate the recommended number of firewall workers:</P><P>mpstat -P ALL 10 1 |grep 'Average:[ ]\+[[:digit:]]\{1,2\}[ ]\+' |awk '$2 ~ /^(0|1|2|4)$/ { csnd += $NF; print $2 " SND " $NF; next }{ cfw += $NF; print $2 " fw " $NF} END { nfw=NR/(csnd/cfw+1); print "nfw = " nfw }'</P><P>Instead of '(0|1|2|4)' string put the numbers of the CPUs running as SND that reflect your case (fw ctl affinity -l -r).</P><P>Tested on R80.40 (Open server).</P><P>HTH</P><P>Peter</P> Fri, 07 May 2021 08:16:15 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/CoreXL-SND-FW-calculation-oneliner/m-p/117903#M16683 benko2 2021-05-07T08:16:15Z https://community.checkpoint.com/t5/Firewall-and-Security-Management/CoreXL-SND-FW-calculation-oneliner/m-p/117910#M16685 <P><EM>fw ctl affinity -l -r</EM>&nbsp;&nbsp;takes into account that not all CPUs present must be licensed. Your script always uses the physically possible number of CPUs for calculation regardless of licensing...</P> Fri, 07 May 2021 09:35:24 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/CoreXL-SND-FW-calculation-oneliner/m-p/117910#M16685 G_W_Albrecht 2021-05-07T09:35:24Z