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Important

The SingleStore 9.1 release candidate (RC) gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 9.0 is recommended for production workloads, which can later be upgraded to SingleStore 9.1.

DROP ... FROM CROSS_QUERY_STATS_CACHE

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Provides commands to remove entries from the cross-query stats cache on the connected aggregator, either clearing all entries or only those associated with sampling.

DROP ALL FROM CROSS_QUERY_STATS_CACHE

Clears all entries from the cross query stats cache on the connected aggregator.

Syntax

DROP ALL FROM cross_query_stats_cache;

Remarks

  • Use this command when you want to reset the cache completely, for example after major schema changes or tuning experiments.

DROP SAMPLE FROM CROSS_QUERY_STATS_CACHE

Clears only cache entries that are associated with sampling queries.

Syntax

DROP SAMPLE FROM cross_query_stats_cache;

Remarks

  • Use this command when you want to invalidate cached sampling results but keep other feedback rowcount entries.

Related Topics

SHOW CROSS_QUERY_STATS_CACHE STATUS

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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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