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Important

The SingleStore 10 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 10.

Changing the Default Data Directory Post Installation for a Leaf Node

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You can configure a custom location for the data directory of a leaf node. Some of the reasons this may be required include moving the leaf node's data directory to a file system that has ample room to grow or restructuring/aligning leaf node directories as part of a clean-up process.

Example Directories

While the directories of your leaf node will vary, you can use the following example directories to help guide you through the following steps.

Source 

        <memsql-dir> = /var/lib/memsql
     <leaf-node-dir> = /var/lib/memsql/d3cb2012-77b3-48a0-8875-ade2813b1310
<leaf-node-data-dir> = /var/lib/memsql/d3cb2012-77b3-48a0-8875-ade2813b1310/data

Destination 

        <dest-memsql-dir> = /opt/memsql
     <dest-leaf-node-dir> = /opt/memsql/d3cb2012-77b3-48a0-8875-ade2813b1310
<dest-leaf-node-data-dir> = /opt/memsql/d3cb2012-77b3-48a0-8875-ade2813b1310/data

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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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