Java or Scala code, compiled and packaged as a single archive. In Lakeflow Jobs, a JAR task invokes the archive's main class; on standard access mode compute the JAR must first be allowlisted.
Also called Java archive.
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Terms in this definition
- Archive
Offline access tier for blobs, cheapest to store yet dearest to access. Reading a blob means rehydrating it first, which can take as long as 15 hours.
- Standard access mode
An access mode for classic compute in which multiple users can share a cluster and run work at once, kept apart by Lakeguard and governed by Unity Catalog. It is the recommended mode unless a needed feature isn't supported.
- FIRST
A DAX function available only inside visual calculations. It fetches the value at the start of one axis of the visual's matrix, which makes it handy for comparing each point with the first; its opposite is LAST.
Related terms
- Allowlist
Held at metastore level, it records which JAR files, Maven libraries and init scripts may run on compute using the standard access mode. It begins with no entries, and only holders of
MANAGE ALLOWLISTmay change it. - Spark job definition
An item in Fabric that runs Spark work, batch or streaming, from one main file (.py, .jar, .scala, .r and so on) together with optional extra files and arguments passed on the command line. You can trigger it by hand or schedule it, and a default lakehouse must be attached.