Grab swaps Hive Parquet for Apache Iceberg to unlock lakehouse performance
Grab’s data lake, now petabytes on S3, hit a wall with Hive Parquet: catalog latency, tiny files, and manual partition work. Switching to Apache Iceberg gave them a table‑centric, ACID‑enabled architecture that decouples storage and compute, slashes query planning time, and cuts operational toil.