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Data & Analytics · Advanced

Apache Hudi

An open table format (Hadoop Upserts Deletes and Incrementals) focused on record-level upserts, deletes and incremental processing on data lakes.

Definition

Hudi offers Copy-on-Write and Merge-on-Read table types and is integrated with AWS EMR, Glue and Athena. It suits CDC ingestion into lakes.

Exam tip

Merge-on-Read favors write speed; Copy-on-Write favors read speed.

Related terms