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_CACHED_BLOBS

This view stores information about currently cached blobs.

Column Name	Description
`FILE_NAME`	The on-disk filename of the blob (not the S3 path).
`DATABASE_NAME`	The name of the related database.
`ORDINAL`	The partition ordinal of the database, if relevant.
`STATUS`	The status of the blob: Fetch error. Fetch will be retried on next request. Cached Downloading
`TIMESTAMP_TICKS`	Internal timestamp of last access time for this blob.
`EVICTABLE`	Either yes or no. Blobs will not be evictable if a query is currently referencing them or if the blob has not yet been uploaded to S3.
`SIZE`	The size of the blob, in bytes.
`TYPE`	Whether the blob belongs to a primary or secondary partition of the database (primary, secondary).

Last modified: August 29, 2022

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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.

(Optional) Run the following command to view the associated signature files.
Shell
```
curl undefined
```
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.
  Shell
```
curl -O undefined
```

After the signature file has been downloaded, run the following command to verify the authenticity of the SingleStore file.

Shell

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