I am trying to write a Spark DF to AWS Keyspaces. Randomly some of the records are getting updated and some of the records are throwing this exception com.datas
Is there a way of counting approximately after a group by on an sql dataset in Spark? Or more generally, what is the fastest way of group by counting in Spark?
I'm running spark 2.4.5 in my mac. When I execute spark-submit --version ____ __ / __/__ ___ _____/ /__ _\ \/ _ \/ _ `/ __/ '_/
When using the new Scala 3's flag -Yexplicit-nulls, every Java code which doesn't have explicit non-null annotations is treated as nullable, thus every Java met
in a Scala research application, i load a hocon file using PureConfig's ConfigSource.file() method, which represents the default configuration for a research ex
I have been trying to execute all my performance tests from my gatling fat-jar created with the assemble plugin, however, when I try to execute my performance t
I am using circe in scala and have a following requirement : Let's say I have some class like below and I want to avoid password field from being serialised the
I am new to Spark, and recently I saw a code is saving data in RDD format to Cassandra table. But I am not able to figure it out how it is doing the column mapp
I have a requirement where i am reading data from a CSV file and writing data to a Delta table over scala on window OS. My scala code is given below:- import co
I am trying Cats for the first time and am using Scala 3, and I am trying to implement a set of parser combinators for self-pedagogy, however; I am stuck on the
Currently, I'm working on a project which extracts data from a BigQuery table using Scio in Scala. I'm able to extract and ingest the data into ElasticSearch, b
I am trying to do link between kafka and spark by reading data from one topic and tryy to print the content of this topic into a DataFrame, but by doing connect
Note: We are executing this as part of CI build in Teamcity Step 1: Getting coverage details addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.1") Step 2: S
Hi I try to run spark on my local laptop. I created a mvn project in intelijidea and in my main class I have one line like bellow and when I try to run a projec
I would like to run a scalafmtCheck in sbt assembly. I tried to add: (compile in Compile) := ((compile in Compile) dependsOn scalafmtCheck).value I got that e
So I have written a method to count the number of lines in a file in ZIO. def lines(file: String): Task[Long] = { def countLines(reader: BufferedReader): Ta
I'm looking for a way to execute scala tests (implemented in munit, but it could be also ScalaTest) programmatically. I want to perform more or less what sbt te
How to capture a Glue job's arguments by position rather than using the getResolvedOptions function and passing the arguments as key value pairs?
I'm using scala spark and have a DataFrame: Source | Column1 | Column2 A ... ... B ... ... B ... ... C ...
I am trying to find the best way to parse a json file with inconsistent schema (but the schema of the same type is known and consistent) in spark in order to sp