I am working with a Docker setup for Hadoop and Spark using the following repository: docker-hadoop-spark. My Docker Compose YAML configuration is working correctly, and I am able to run the containers without issues. Here is the YAML configuration: version:…
I have successfully created a mariadb database connection using debezium and kafka When I tried to stream the topic using pyspark this is the output that I get ------------------------------------------- Batch: 0 ------------------------------------------- +------+--------------------------------------------------------------------------------------------------------------------------+ |key |value | +------+--------------------------------------------------------------------------------------------------------------------------+ ||MaxDoe1.4.2.Finalnmysqlmariadbbtruebasecampemployees mysql-bin.000032�r�ȯݭd |…
I am using pyspark to join two tables with 100k rows for each (so not skewed join). It takes longer than 30mins even an hour which I think something is wrong here. The code is just regular join a =…
I am trying to use Visual Studio Code for Spark development. My PySpark code all runs fine, but there is no code completion/hints. How can I add these features for VS Code? I have the Python and Pylance extensions installed.…
I have a Databricks DataFrame with Columns : tno,data_value Output of first Databricks run: tno, data_value 1,hdjsjsjnsns 2,dhjdjdjsnsn 3,jdjsjsjsjsjjs When I run again the same notebook after some time it should generate as: tno, data_value 4,hdjsjsjnsns 5,dhjdjdjsnsn 6,jdjsjsjsjsjjs Just like…
I have a pipeline written in Go that I want to execute with Spark runner, the Spark Standalone is installed on my local machine. Apache Beam 2.56.0 Apache Spark 3.2.2 I started Spark master and worker from the installation dir…
I am trying to read data from parquet file in blob storage in databricks and writing to a delta table. Cluster config = 14.3 LTS (includes Apache Spark 3.5.0, Scala 2.12) 1.df = spark.read.format("parquet").load("/mnt/path") -- Reading successfully 2.df.write.format("delta").mode("overwrite").saveAsTable(path) Here giving…
I am working on a project in Databricks using Apache Spark, I was doing some data manipulation, during which I encountered this error basically stating "DATATYPE_MISMATCH.UNEXPECTED_INPUT_TYPE". The code snippet is as follows: player_match_df = player_match_df.withColumn( "years_since_debut", (year(current_date()) - (col("season_year"))) )…
I am connecting to an on prem SQL Server database using the code below and it works as expected. I have wrapped the query I want to use in a view and I called the view to read the data…
Problem Description: We tried to start Apache Zeppelin 0.11.1 on the following server. We followed the installation instructions on the official Apache Zepplin website. Apache Zeppelin can be started and the notebooks open. When executing a paragraph, the attached error…