MV_BLOB_CACHE_EVENTS

This view stores information about events pertaining to cached blobs.

Learn more about interpreting this view in the Components to Monitor guide.

Column Name	Description
`NODE_ID`	ID of the related node.
`EVENT_TYPE`	Either `fetch` or `eviction`: `fetch` - downloading a columnar blob file from S3. `eviction` - deleting the blob file because it can be retrieved again from S3 later if necessary.
`DATABASE_NAME`	The name of the related database.
`ORDINAL`	The partition ordinal of the database, if relevant.
`FILE_NAME`	The on-disk filename of the blob (not the S3 path).
`FILE_SIZE`	The size of the blob, in bytes.
`UNIX_TIMESTAMP`	Timestamp of the event.
`FETCH_TIME_TAKEN_MS`	Only applies for fetches. The time in milliseconds spent waiting on network for the blob fetch. This does not track time spent waiting for other fetches to complete before submitting the fetch for this blob.

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