Tag: compression

All the articles with the tag "compression".

• How VertiPaq Sorts a Table — A Visual Walkthrough

  16 May, 2026

  A visual companion to the row-ordering article — step through the greedy bucket-splitting algorithm that VertiPaq uses to maximise RLE compression.

• How VertiPaq Sorts Rows to Maximize RLE Compression

  21 Apr, 2026

  How VertiPaq appears to use a greedy row-reordering algorithm to maximise RLE compression across all columns in a segment.

• Reconstructing Column Data from .idf and .idfmeta

  14 Apr, 2026

  How VertiPaq stores column segments in .idf and .idfmeta files, and how those files combine to reconstruct imported table data from a PBIX file.