sparklint | A tool for monitoring and tuning Spark jobs for efficiency
kandi X-RAY | sparklint Summary
kandi X-RAY | sparklint Summary
The missing Spark Performance Debugger that can be drag and dropped into your spark application!.
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QUESTION
I am new in scala/Spark development. I have created a simple streaming application from Kafka topic using sbt and scala. I have the following code
build.sbt
...ANSWER
Answered 2018-Dec-12 at 09:22This issue is related to library versions. I have just updated my build.sbt like this
QUESTION
There's already a similar question here, but it is using Maven, and I'm using sbt
. Moreover none of the solutions there worked for me
I'm using Spark 2.4.0, Scala 2.11.12 and IntelliJ IDEA 2019.1
My build.sbt
looks like:
ANSWER
Answered 2019-Apr-28 at 18:37Type of your stream is DStream[RawWeatherData]
and reduceByKey
is available only on streams of type DStream[(K,V)]
, which is a stream of tuples consisting of key and value.
What you wanted to do is probably to use mapValues
instead of map
:
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