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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.

Operations Errors

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ERROR 2625: Operation 'BACKUP DATABASE' can't be executed on internal database('') utilized by SingleStore.

Issue

This error occurs when you attempt to backup the cluster or memsql databases.

Solution

These databases are internal system databases, and as such, they cannot and do not need to be backed up.

ERROR: Partition’s table metadata are out of sync for table

Issue

The most common cause for this error is an ALTER TABLE query on a sharded table which ran partially but didn’t complete successfully. This may leave table metadata in an inconsistent state where some partitions have the old metadata while some have the new.

Solutions

If the cause of the issue was a failed ALTER TABLE as described above:

  • Recreate the table. This can be done by insert-selecting the data into a newly created table or reloading the data. For example: sql CREATE TABLE t_copy AS SELECT * FROM t; DROP TABLE t; ALTER TABLE t_copy RENAME AS t;

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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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