+1 for this～ Thanks, wang. Best, Junhao
> 2026年6月22日 14:00，wang <[email protected]> 写道： > > Hi Paimon community, I would like to start a discussion about supporting > Deletion Vectors (DVs) for DataEvolution tables. In many AI scenarios, > users frequently need to delete data (e.g., removing low-quality samples, > deduplication, or excluding biased training data). The existing file-level > DV in AppendTable is incompatible with DataEvolution, and rewriting files > for random deletions causes small-file explosion and index invalidation. I > prepared a short design document proposing a range-based DV approach, along > with solutions for Merge Into, Compaction, and Vector Index adaptation: > https://docs.google.com/document/d/14XHZCgtz_487eKq8k0s_hVfaVA9ETZw4rle19-qN7hY/edit?usp=sharing > Could you please take a look and share your thoughts? Best, wang
