Keep Iceberg tables fast with compaction, snapshot expiry, orphan cleanup, and manifest rewriting. Here is when and how to run each operation.
Databases handle concurrent access using locks, MVCC, or optimistic concurrency control. Here is how each approach works and what tradeoffs each creates.
Iceberg tables degrade through small files, orphan files, metadata bloat, sort order decay, and partition skew. Here is how to diagnose each problem.
Distributed joins move data across the network using shuffle, broadcast, or co-location strategies. Here is how each works and when engines choose which.