In today's data-driven landscape, the demands placed upon data engineers are diverse and multifaceted. With the integration of Java, Python, or Go microservices, Databricks SDKs provide a powerful bridge between the established ecosystems and Databricks. They allow data engineers to unlock new levels of integration and collaboration, as well as integrate Unity Catalog into processes to create advanced workflows straight from notebooks.

In this session, learn best practices for when and how to use SDK, command-line interface, or Terraform integration to seamlessly integrate with Databricks and revolutionize how you integrate with the Databricks Lakehouse. The session covers using shell scripts to automate complex tasks and streamline operations that improve scalability.

Talk by: Serge Smertin

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Did you finish the Photon whitepaper and think, wait, what? I know I did; it’s my job to understand it, explain it, and then use it. If your role involves using Apache Spark™ on Databricks, then you need to know about Photon and where to use it. Join me, chief dummy, nay "supreme" dummy, as I break down this whitepaper into easy to understand explanations that don’t require a computer science degree. Together we will unravel mysteries such as:

• Why is a Java Virtual Machine the current bottleneck for Spark enhancements?
• What does vectorized even mean? And how was it done before?
• Why is the relationship status between Spark and Photon "complicated?"

In this session, we’ll start with the basics of Apache Spark, the details we pretend to know, and where those performance cracks are starting to show through. Only then will we start to look at Photon, how it’s different, where the clever design choices are and how you can make the most of this in your own workloads. I’ve spent over 50 hours going over the paper in excruciating detail; every reference, and in some instances, the references of the references so that you don’t have to.

Talk by: Holly Smith

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In this session, we'll go over several use-cases and describe the process of improving our spark structured streaming application micro-batch time from ~55 to ~30 seconds in several steps.

Our app is processing ~ 700 MB/s of compressed data, it has very strict KPIs, and it is using several technologies and frameworks such as: Spark 3.1, Kafka, Azure Blob Storage, AKS and Java 11.

We'll share our work and experience in those fields, and go over a few tips to create better Spark structured streaming applications.

The main areas that will be discussed are: Spark Configuration changes, code optimizations and the implementation of the Spark custom data source.

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In this session we’ll present Mosaic, a new Databricks Labs project with a geospatial flavour.

Mosaic provides users of Spark and Databricks with a unified framework for distributing geospatial analytics. Users can choose to employ existing Java-based tools such as JTS or Esri's Geometry API for Java and Mosaic will handle the task of parallelizing these tools' operations: e.g. efficiently reading and writing geospatial data and performing spatial functions on geometries. Mosaic helps users scale these operations by providing spatial indexing capabilities (using, for example, Uber's H3 library) and advanced techniques for optimising common point-in-polygon and polygon-polygon intersection operations.

The development of Mosaic builds upon techniques developed with Ordnance Survey (the central hub for geospatial data across UK Government) and described in this blog post: https://databricks.com/blog/2021/10/11/efficient-point-in-polygon-joins-via-pyspark-and-bng-geospatial-indexing.html

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After three years of hard work by the Delta community, we are proud to announce the release of Delta Lake 2.0. Completing the work to open-source all of Delta Lake while tens of thousands of organizations were running in production was no small feat and we have the ever-expanding Delta community to thank! Join this session to learn about how the wider Delta community collaborated together to bring these features and integrations together.

Join this session to learn about how the wider Delta community collaborated together to bring these features and integrations together. This includes the Integrations with Apache Spark™, Apache Flink, Apache Pulsar, Presto, Trino, and more.

Features such as OPTIMIZE ZORDER, data skipping using column stats, S3 multi-cluster writes, Change Data Feed, and more.

Language APIs including Rust, Python, Ruby, GoLang, Scala, and Java.

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In recent years, latest privacy laws & regulations bring a fundamental shift in the protection of data and privacy, placing new challenges to data applications. To resolve these privacy & security challenges in big data ecosystem without impacting existing applications, several hardware TEE (Trusted Execution Environment) solutions have been proposed for Apache Spark, e.g., PySpark with Scone and Opaque etc. However, to the best of our knowledge, none of them provide full protection to data pipelines in Spark applications. An adversary may still get sensitive information from unprotected components and stages. Furthermore, some of them greatly narrowed supported applications, e.g., only support SparkSQL. In this presentation, we will present a new PPMLA (privacy preserving machine learning and analytics) solution built on top of Apache Spark, BigDL, Occlum and Intel SGX. It ensures all spark components and pipelines are fully protected by Intel SGX, and existing Spark applications written in Scala, Java or Python can be migrated into our platform without any code change. We will demonstrate how to build distributed end-to-end SparkML/SparkSQL workloads with our solution on untrusted cloud environment and share real-world use cases for PPMLA.

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