2 posts tagged with "Benchmark"
Blogs on benchmarking
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29 min
50% Cheaper (2x Faster) Iceberg Compaction: OLake Fusion (Open Source) Beats Spark
We benchmark Spark rewrite_data_files against OLake Fusion compaction on Apache Iceberg by running a full TPCH lineitem load from Postgres to GCP, applying 200k-record CDC batches every 2 minutes, and tracking TPC-H Query 6 performance, runtime, resource usage, and infrastructure cost.
Nayan Joshi
Apr 22, 2026
42 min
Iceberg Compaction: How Much Faster Are TPC-H Queries?
We ran TPC-H queries on Iceberg tables with many small files, then compacted them and ran the same queries again. Here's how much faster compaction made them.
Nayan Joshi
Feb 27, 2026