Changes for version 0.04 - 2026-09-26

  • The process recovering a dead writer's lock recounts count from the buckets; sum, min and max may become estimates.
  • DATA_DDSKETCH_SHARED_SPARSE=0 reserves segments up front, so a full filesystem fails the constructor, not a later write.
  • A failed create no longer leaves a full-size file behind.

Modules

shared-memory DDSketch relative-error quantile sketch