Producing more number of Records than expected

I have run wikifeed example. i have three topics: wikifeedInputtopicDemo2-10 partitions wikifeedOutputtopicDemo2-10 partitions sumoutputeventopicDemo2-5 partitions i have produced 10 records.but in the inputTopic(wikifeedInputtopicDemo2) it receives more than 10 records. can someone explai

Producing more number of Records than expected

I have run wikifeed example. i have three topics: wikifeedInputtopicDemo2-10 partitions wikifeedOutputtopicDemo2-10 partitions sumoutputeventopicDemo2-5 partitions i have produced 10 records.but in the inputTopic(wikifeedInputtopicDemo2) it receives more than 10 records. can someone explai