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Important

New database features are no longer connected to engine versions; features are now enabled independently during scheduled update windows, and “major” and “minor” releases no longer exist in Helios. Please visit the release notes to view the latest features available in your database clusters.

Load Data from Spark

You can use SingleStore and Spark together to accelerate workloads by taking advantage of computational power of Spark in tandem with the fast ingest and persistent storage SingleStore has to offer. The SingleStore Spark Connector allows you to connect your Spark and SingleStore environments. The connector supports both data loading and extraction from database tables and Spark DataFrames.

The connector is implemented as a native Spark SQL plugin, and supports Spark’s DataSource API. Spark SQL supports operating on a variety of data sources through the DataFrame interface, and the DataFrame API is the widely used framework for how Spark interacts with other systems.

In addition, the connector is a true Spark data source; it integrates with the Catalyst query optimizer, supports robust SQL pushdown, and leverages SingleStore LOAD DATA to accelerate ingest from Spark via compression.

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Verification instructions

Note: You must install cosign to verify the authenticity of the SingleStore file.

Use the following steps to verify the authenticity of singlestoredb-server, singlestoredb-toolbox, singlestoredb-studio, and singlestore-client SingleStore files that have been downloaded.

You may perform the following steps on any computer that can run cosign, such as the main deployment host of the cluster.

  1. (Optional) Run the following command to view the associated signature files.

    curl undefined

  2. Download the signature file from the SingleStore release server.

    • Option 1: Click the Download Signature button next to the SingleStore file.

    • Option 2: Copy and paste the following URL into the address bar of your browser and save the signature file.

    • Option 3: Run the following command to download the signature file.

      curl -O undefined

  3. After the signature file has been downloaded, run the following command to verify the authenticity of the SingleStore file.

    echo -n undefined |
        cosign verify-blob --certificate-oidc-issuer https://oidc.eks.us-east-1.amazonaws.com/id/CCDCDBA1379A5596AB5B2E46DCA385BC \
          --certificate-identity https://kubernetes.io/namespaces/freya-production/serviceaccounts/job-worker \
          --bundle undefined \
          --new-bundle-format -
    Verified OK

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