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Important

Helios features are now enabled during weekly update windows and are no longer directly tied to SingleStore engine releases. Refer to the release notes to view the latest features available in your Helios cluster.

MV_ROW_CHANGE_COUNTS

As this view is primarily for internal use, SingleStore recommends using MV_COLLECTED_ROW_CHANGE_COUNTS instead.

This view contains information about changes to table partitions over time. Unlike the collected row change counts view, this view solely reflects the number of changes that have occurred in each partition since the SingleStore instance responsible for the partition was started. This data is asynchronously collected and used to update the collected change counts view.

Column Name

Description

TABLE_NAME

The name of the table.

DATABASE_NAME

The name of the related database.

PARTITION

The ID of the partition to which changes were made.

CHANGED

The cumulative count of number of rows changed.

TOKEN

An arbitrary value used to detect when instances in the cluster have been restarted

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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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