[jira] [Created] (FLINK-2246) Combiner not chained

[Shang Yuanchun (Jira)]

Ufuk Celebi created FLINK-2246:
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             Summary: Combiner not chained
                 Key: FLINK-2246
                 URL: https://issues.apache.org/jira/browse/FLINK-2246
             Project: Flink
          Issue Type: Bug
          Components: Core
    Affects Versions: 0.9, master
            Reporter: Ufuk Celebi
            Priority: Minor


Running the WordCount example with a text file input/output results and a manual reduce function (instead of the sum(1)) results in a combiner, which is not chained.

Replace sum(1) with the following to reproduce and use a text file as input:

{code}
fileOutput = true;
textPath = "...";
outputPath = "...";
{code}

{code}
.reduce(new ReduceFunction<Tuple2<String, Integer>>() {
    @Override
    public Tuple2<String, Integer> reduce(Tuple2<String, Integer> value1, Tuple2<String, Integer> value2) throws Exception {
        return new Tuple2<String, Integer>(value1.f0, value1.f1 + value2.f1);
    }    
});
{code}



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