juripetersen commented on PR #412:
URL: https://github.com/apache/incubator-wayang/pull/412#issuecomment-1973042297
Desirable output can resemble this:
```json
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":206,"upperBound":206,"confidence":1.0}],"operator":{"class":"org.apache.wayang.spark.operators.SparkFlatMapOperator"},"output":{"name":"out","index":0,"cardinality":1759}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":206,"upperBound":206,"confidence":1.0}],"operator":{"class":"org.apache.wayang.basic.operators.FlatMapOperator"},"output":{"name":"out","index":0,"cardinality":1759}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":206,"upperBound":206,"confidence":1.0}],"operator":{"class":"org.apache.wayang.java.operators.JavaFlatMapOperator"},"output":{"name":"out","index":0,"cardinality":1759}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":1759,"upperBound":1759,"confidence":1.0}],"operator":{"class":"org.apache.wayang.basic.operators.FilterOperator"},"output":{"name":"out","index":0,"cardinality":1611}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":1759,"upperBound":1759,"confidence":1.0}],"operator":{"class":"org.apache.wayang.spark.operators.SparkFilterOperator"},"output":{"name":"out","index":0,"cardinality":1611}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":1759,"upperBound":1759,"confidence":1.0}],"operator":{"class":"org.apache.wayang.java.operators.JavaFilterOperator"},"output":{"name":"out","index":0,"cardinality":1611}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":1611,"upperBound":1611,"confidence":1.0}],"operator":{"class":"org.apache.wayang.basic.operators.MapOperator"},"output":{"name":"out","index":0,"cardinality":1611}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":1611,"upperBound":1611,"confidence":1.0}],"operator":{"class":"org.apache.wayang.spark.operators.SparkMapOperator"},"output":{"name":"out","index":0,"cardinality":1611}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":1611,"upperBound":1611,"confidence":1.0}],"operator":{"class":"org.apache.wayang.java.operators.JavaMapOperator"},"output":{"name":"out","index":0,"cardinality":1611}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":1611,"upperBound":1611,"confidence":1.0}],"operator":{"class":"org.apache.wayang.basic.operators.ReduceByOperator"},"output":{"name":"out","index":0,"cardinality":493}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":1611,"upperBound":1611,"confidence":1.0}],"operator":{"class":"org.apache.wayang.spark.operators.SparkReduceByOperator"},"output":{"name":"out","index":0,"cardinality":493}}
{"inputs":[{"name":"in","index":0,"isBroadcast":false,"lowerBound":1611,"upperBound":1611,"confidence":1.0}],"operator":{"class":"org.apache.wayang.java.operators.JavaReduceByOperator"},"output":{"name":"out","index":0,"cardinality":493}}
```
Requires configuration like this:
```java
Configuration config = new Configuration();
config.setProperty("wayang.core.log.enabled", "true");
config.setProperty("wayang.core.log.cardinalities", filePath);
config.setProperty("wayang.core.optimizer.instrumentation",
"org.apache.wayang.core.profiling.FullInstrumentationStrategy");
```
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