Forum Discussion

dragonflymr's avatar
dragonflymr
Icon for Cirrostratus rankCirrostratus
Mar 27, 2017

How to remove iStats keys

Hi,   I know that it's possible to reset iStats keys to 0 but is there a way to remove keys that are no longer needed?   Piotr  
BIG-IP
devops
iRules
istats
keys
remove
Kai_Wilke's avatar
Kai_Wilke
Icon for MVP rankMVP
Mar 29, 2017

Hi Piotr,

unfortuantely there is no easy to use 

istats remove all
command... 😞

A while ago, I've used the following bash command to delete my ISTATS data.

istats dump 2>&1>/dev/null | sed "s/\[//g;s/\]//g;s/=/ /g" | awk '{ print "istats remove \"" $1 " " $2 " counter " $3 "\"" }' | bash -x ;
sleep 15s
istats dump 2>&1>/dev/null | sed "s/\[//g;s/\]//g;s/=/ /g" | awk '{ print "istats remove \"" $1 " " $2 " string " $3 "\"" }' | bash -x ;
sleep 15s
istats dump 2>&1>/dev/null | sed "s/\[//g;s/\]//g;s/=/ /g" | awk '{ print "istats remove \"" $1 " " $2 " gauge " $3 "\"" }' | bash -x ;
sleep 15s
istats dump 2>&1>/dev/null | sed "s/\[//g;s/\]//g;s/=/ /g" | awk '{ print "istats remove \"" $1 " " $2 " min " $3 "\"" }' | bash -x ;
sleep 15s
istats dump 2>&1>/dev/null | sed "s/\[//g;s/\]//g;s/=/ /g" | awk '{ print "istats remove \"" $1 " " $2 " max " $3 "\"" }' | bash -x ;

Note: The command parses the output of 

istats dump
and then creates and executes a tailordered script to finaly remove the containing data. Its unfortunately required to call the command up to 5 times in a row, since 
istats dump
does not output the used 
measure-type
(but it has to match while removing). The 
sleep 15s
command makes sure that ISTATS updates the statistic between the independent executions to reduce overhead.

Note: Use the script at your own risk 😉

Cheers, Kai