Initialise
Set Variable No-of-Cycle
For 1:No-of-Cycle
Call Function 1
Set Variable No-of-Times
For 1:No-of-Times
Call Function 2
Call Function 3
Increase Variable 1->No-of-Times
Sleep 30 minutes
Increase Variable 1->No-of-Cycles
Sleep 30 minutes
During running of the cycle/times, how to clear cache?