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Processing large CSV files


I need to process a CSV file that's returned from a webservice as a base64 encoded soap message body. The file itself could be up to around 5MB - any advice on the best approach? I'm particulaly thinking of ways of handling the max heap size/string size.




I dont think you would be able to catch the response of that much large size. Did you checked the governer limits? Request can at max of 2MB size. So may be there should be some limit on Response size too.