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I create a temporary data strcuture ,each time the scoreboarding function is called in JKFlow.pm for a particular flowflile and then for a particular direction , and store the values of $ref->{aggdata}{tuplevalues} as well as certain other important variables representing the state of scoreboard including the $ref-> {count}, $ref->{startperiod}and $ref->{counter} in that data strcuture. It is then marshalled and written to disk using the technique i explained on this page.