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VictorC's avatar
VictorC
Icon for Nimbostratus rankNimbostratus
Apr 05, 2012

Performance question on 2 iRules

Hi all,     I have 2 different iRules I am using and they both do the same thing so that I can conserve IP addresses. I was wondering if there was any performance hit on a LTM running 10.2 if I...
application delivery
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iRules
hooleylist's avatar
hooleylist
Icon for Cirrostratus rankCirrostratus
Apr 05, 2012
I thought the exact match would be more efficient also until I tried a test with tlcsh.

 

 

% time {switch www.example.com { test.example.com { } sub.example.com { } www.example.com { } }} 100

 

1 microseconds per iteration

 

 

% time {switch www.example.com { test.* { } sub.* { } www.* { } }} 100

 

0 microseconds per iteration

 

 

You check this with your iRule using timing:

 

 

https://devcentral.f5.com/wiki/iRules.timing.ashx

 

 

Aaron