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apache-spark
2 postsHow Grab Scaled Its Data Lake by Adopting Apache Iceberg
Grab's migration from Hive Parquet to Apache Iceberg: performance gains, cost savings, and the open-sourced UnifiedSparkCatalog for Spark.
Streaming to Apache Iceberg: Understanding the Latency Physics
A 2026 technical guide to the physics of streaming into Iceberg, covering commit costs, small-file risk, and the latency trade-offs between Flink and Spark.
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