Ray's Knowledge Base

Project

dftracer-utils

doxygen docs/Doxyfile from the repo root writes a stray doxygen/ folderdocs27 Sep 2026Series::flat(TypeId::Bool, ...) returns an empty Series Staledataframe28 Sep 2026StringViewSet owns its strings, so views into a temporary one dangledataframe28 Sep 2026A new query leaf form must be handled in every place that reads query leavesquery27 Sep 2026Aggregation tier state that spans builds and processesindex27 Sep 2026An index build after a tier-served query fails with "Cannot upgrade RocksDB instance"index27 Sep 2026Code that assumes the dftracer schema breaks other record schemas silentlyviews27 Sep 2026CTest tests that run a build in the build tree must share RESOURCE_LOCK build_treetesting27 Sep 2026duql replaces dictionaries, resolved columns and the metadata phase with queriesquery27 Sep 2026For design questions, research and discuss first; new dependencies are fine when they win on performanceworkflow27 Sep 2026How today's filter language treats missing fields, null, types and patternsquery27 Sep 2026Run the Python suite and the docs build without installing anythingtesting27 Sep 2026The aggregation tier holds no file id, so one file's rows cannot be replacedindex27 Sep 2026The query cache lives beside the index in .dftindex-cache, not inside .dftindexindex27 Sep 2026Typed record decode got 35% slower until per-leaf work left the hot loopviews27 Sep 2026Which (void) casts may stay in dftracer-utilscode-style27 Sep 2026Which View reads return dftracer metadata recordsviews27 Sep 2026