Can Apache Kafka be used to aggregate hourly consumption data per customer?












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For example electricity consumption per customer. Consumption data not streaming all the time but inserted in batches of last 12 hours per some amount of customers. After insertion we need to aggregate hourly consumption per customer and if previous hour consumption for some customer not exists to find "closest by date" consumption.










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    -1















    For example electricity consumption per customer. Consumption data not streaming all the time but inserted in batches of last 12 hours per some amount of customers. After insertion we need to aggregate hourly consumption per customer and if previous hour consumption for some customer not exists to find "closest by date" consumption.










    share|improve this question



























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      For example electricity consumption per customer. Consumption data not streaming all the time but inserted in batches of last 12 hours per some amount of customers. After insertion we need to aggregate hourly consumption per customer and if previous hour consumption for some customer not exists to find "closest by date" consumption.










      share|improve this question
















      For example electricity consumption per customer. Consumption data not streaming all the time but inserted in batches of last 12 hours per some amount of customers. After insertion we need to aggregate hourly consumption per customer and if previous hour consumption for some customer not exists to find "closest by date" consumption.







      apache-kafka apache-kafka-streams






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      edited Nov 24 '18 at 15:30









      cricket_007

      82.5k1143111




      82.5k1143111










      asked Nov 24 '18 at 8:14









      genichmgenichm

      421715




      421715
























          1 Answer
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          Did you check out Kafka Streams (https://kafka.apache.org/documentation/streams/)?



          It allows you to read topics as data streams and aggregate on time windows:





          StreamsBuilder builder = new StreamsBuilder();
          builder.stream("topic-name")
          .groupByKey() // assuming the key is a customer-ID
          .windowedBy(TimeWindows.of(Duration.ofHours(1)))
          .aggregate(...); // insert business logic here





          share|improve this answer























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            1 Answer
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            active

            oldest

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            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            1














            Did you check out Kafka Streams (https://kafka.apache.org/documentation/streams/)?



            It allows you to read topics as data streams and aggregate on time windows:





            StreamsBuilder builder = new StreamsBuilder();
            builder.stream("topic-name")
            .groupByKey() // assuming the key is a customer-ID
            .windowedBy(TimeWindows.of(Duration.ofHours(1)))
            .aggregate(...); // insert business logic here





            share|improve this answer




























              1














              Did you check out Kafka Streams (https://kafka.apache.org/documentation/streams/)?



              It allows you to read topics as data streams and aggregate on time windows:





              StreamsBuilder builder = new StreamsBuilder();
              builder.stream("topic-name")
              .groupByKey() // assuming the key is a customer-ID
              .windowedBy(TimeWindows.of(Duration.ofHours(1)))
              .aggregate(...); // insert business logic here





              share|improve this answer


























                1












                1








                1







                Did you check out Kafka Streams (https://kafka.apache.org/documentation/streams/)?



                It allows you to read topics as data streams and aggregate on time windows:





                StreamsBuilder builder = new StreamsBuilder();
                builder.stream("topic-name")
                .groupByKey() // assuming the key is a customer-ID
                .windowedBy(TimeWindows.of(Duration.ofHours(1)))
                .aggregate(...); // insert business logic here





                share|improve this answer













                Did you check out Kafka Streams (https://kafka.apache.org/documentation/streams/)?



                It allows you to read topics as data streams and aggregate on time windows:





                StreamsBuilder builder = new StreamsBuilder();
                builder.stream("topic-name")
                .groupByKey() // assuming the key is a customer-ID
                .windowedBy(TimeWindows.of(Duration.ofHours(1)))
                .aggregate(...); // insert business logic here






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 24 '18 at 21:56









                Matthias J. SaxMatthias J. Sax

                30.6k45481




                30.6k45481
































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