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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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I-am-Biplab
by • New Contributor II
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Is there a Databricks spark connector for java?

Is there a Databricks Spark connector for Java, just like we have for Snowflake (reference of Snowflake spark connector - https://docs.snowflake.com/en/user-guide/spark-connector-use)Essentially, the use case is to transfer data from S3 to a Databric...

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Shua42
Databricks Employee
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Hey @I-am-Biplab , If running locally, it is going to be difficult to tune the performance up that much, but there are a few things you can try: 1. Up the partitions and batch size, as much as your machine will allow. Also, running repartition() coul...

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beer
by • New Contributor II
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Didn't receive my Databricks Spark 3.0 certification

I took the exam yesterday and passed the test. I haven't received any email from Databricks Academy. How long would it take to receive the certification?

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beer
New Contributor II
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This is resolved.

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chrisreve89
by • New Contributor II
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Resolved! Databricks Spark Certification

Hello, I have been preparing for the for a while. I have seen here that the exam is mostly about remembering syntax details and some general understanding of the spark's internal architecture. I am VidMate just wondering if there are some exa Mobdro...

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Hubert-Dudek
Esteemed Contributor III
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I recommend practice tests on Udemy. There is also available practice exam from data-bricks training.I haven't found others.

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raymund
by • New Contributor III
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Resolved! Why adding the package 'org.apache.spark:spark-sql-kafka-0-10_2.12:3.0.1' failed in runtime 9.1.x-scala2.12 but was successful using runtime 8.2.x-scala2.12 ?

Using Databricks spark submit job, setting new cluster1] "spark_version": "8.2.x-scala2.12" => OK, works fine2] "spark_version": "9.1.x-scala2.12" => FAIL, with errorsException in thread "main" java.lang.ExceptionInInitializerError at com.databricks...

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raymund
New Contributor III
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this has been resolved by adding the following spark_conf (not thru --conf) "spark.hadoop.fs.file.impl": "org.apache.hadoop.fs.LocalFileSystem"example:------"new_cluster": { "spark_version": "9.1.x-scala2.12", ... "spark_conf": { "spar...

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hasinketi48
by • New Contributor
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How is Databricks Spark different than Spark?

Hey guys, I am looking to create a real-time analytics application and I am pretty new to Data engineering. Any advice here would be appreciated. So I have been l appvalleyooking into spark streaming for my transformation process, so th tutuappe ove...

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