Partitions and backfills

Partitioning assets

Learn how to partition your data in Dagster.

Partitioning dependencies

Learn how to define dependencies between partitioned and unpartitioned assets in Dagster.

Backfilling data

Backfilling is the process of running partitions for assets that either don't exist or updating existing records. Dagster supports data backfills for each partition or subsets of partitions.

Partitioning ops

Partitioned ops enable launching backfills, where each partition processes a subset of data.