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Tag: Streaming

2026-08-04 • Alex Merced

How Iceberg V3 Deletion Vectors Fixed Merge-on-Read for Streaming Tables

How Iceberg V3 deletion vectors replaced accumulating positional delete files and made merge-on-read viable for streamin...

2026-08-04 • Alex Merced

Reading the Apache Iceberg V4 Proposals Before They Land

A field guide to the Apache Iceberg V4 proposals: adaptive metadata trees, single-file commits, typed statistics, column...

2026-07-28 • Alex Merced

Why Iceberg V4 Wants to Retire Equality Deletes, and What Streaming Teams Should Do About It

Equality deletes made streaming upserts into Iceberg practical at the cost of read performance. V4 proposes retiring the...

2026-07-28 • Alex Merced

Apache Fluss and Kafka Solve Different Problems in an Iceberg Pipeline

Fluss puts a columnar, indexed hot tier between Kafka and Iceberg. Here's what it changes structurally, what Kafka still...

2026-07-28 • Alex Merced

Serving Sub-Second Queries Over an Iceberg Lakehouse With a Hot Tier

A lakehouse cannot serve sub-second queries over seconds-old data. A hot tier in front solves it, with consequences for ...

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