Tag
manifest-statistics
- Aug 6, 2025 Partition Evolution Without Rewriting Existing Data How a table can change its partition granularity while old files keep their original layout, why the manifest must record the spec that produced each file, and what queries pay for the mixture. data engineering
- Jan 15, 2025 File Pruning from Per-File Min and Max Statistics How bounds recorded per column chunk let a scan skip whole files, why the pruning rate collapses on high-cardinality or unsorted columns, and how the statistics get into the manifest in the first place. data engineering