Hadoop HDFS
RetiredNo longer on the radar
We removed this entry in the September 2026 release. Retiring is not a recommendation against it — it means the radar no longer needs a separate opinion here. The write-up below is kept as it was last published and is no longer maintained.
This decision is now covered by:
Overview
Hadoop HDFS as the primary analytics storage layer is legacy for most cloud-native and lakehouse programs. Object storage plus open table formats provide better elasticity and governance (Hadoop).
Hold new HDFS expansions. Plan migration to S3, ADLS, or GCS with Iceberg or Delta and retire small clusters with explicit cost and risk triggers.