Using command line

You can issue the command provided here to perform the same operations using command line.

About this task

idsldapmodify -D <adminDN> -w <adminPW> -i <filename> 

where <filename> contains: 

dn: cn=Front End, cn=Configuration 
changetype: modify 
replace: ibm-slapdACLCache 
ibm-slapdACLCache: TRUE 
- 
replace: ibm-slapdACLCacheSize 
ibm-slapdACLCacheSize: <value to be set in numerals>