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Showing posts with the label Apache Spark
How To Optimize This Code On Spark?

How To Optimize This Code On Spark?

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How to make this code more efficient in Spark? I need to calculate minimum, maximum, count, mean fr… Read more How To Optimize This Code On Spark?
Pyspark: How To Flatten Nested Arrays By Merging Values In Spark

Pyspark: How To Flatten Nested Arrays By Merging Values In Spark

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I have 10000 jsons with different ids each has 10000 names. How to flatten nested arrays by mergin… Read more Pyspark: How To Flatten Nested Arrays By Merging Values In Spark
Converting Complex Rdd To A Flatten Rdd With Pyspark

Converting Complex Rdd To A Flatten Rdd With Pyspark

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I have the following CSV (sample) id timestamp routeid creationdate parameter… Read more Converting Complex Rdd To A Flatten Rdd With Pyspark
Sparkcontext Error - File Not Found /tmp/spark-events Does Not Exist

Sparkcontext Error - File Not Found /tmp/spark-events Does Not Exist

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Running a Python Spark Application via API call - On submitting the Application - response - Faile… Read more Sparkcontext Error - File Not Found /tmp/spark-events Does Not Exist
Is It Possible To Scale Data By Group In Spark?

Is It Possible To Scale Data By Group In Spark?

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I want to scale data with StandardScaler (from pyspark.mllib.feature import StandardScaler), by now… Read more Is It Possible To Scale Data By Group In Spark?
Pyspark Structured Streaming From Kafka Does Not Output To Console For Debugging

Pyspark Structured Streaming From Kafka Does Not Output To Console For Debugging

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Below is my code. I have tried many different select variations, and yet the app runs, but without … Read more Pyspark Structured Streaming From Kafka Does Not Output To Console For Debugging