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FILL and FLUSH CONNECTION POOLS

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Used to open and close (reset) connections to leaf nodes.

Syntax

{FILL | FLUSH} CONNECTION POOLS;

Remarks

  • FILL: opens the maximum number of pooled connections (specified for the connection) to each leaf node in the cluster.

  • FLUSH: shuts down all existing connections and closes idle pooled connections.

  • This command can be run on any node in the cluster. It opens/closes connections only from the nodes on which it is executed. Hence, in order to open/close connections from multiple nodes, this command must be individually executed on each node.

Example

FILL CONNECTION POOLS;
Query OK, 2 rows affected (2.02 sec)
FLUSH CONNECTION POOLS;
Query OK, 2 rows affected (200 ms)

Last modified: January 24, 2024

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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