Issues

• A setting to select candidates without accuracy guarantees

  accuracyenhancementoptimizer
  ProjectASAP/ASAPPlanner#774 · Filter by author zzylol opened on Oct 20, 2026

• increase and rate over a counter are non-negative weights for Count-Min top-k

  accuracyenhancementpromql
  ProjectASAP/ASAPPlanner#773 · Filter by author zzylol opened on Oct 20, 2026

• Declare non-negative gauges so per-series quantile sketches get a guarantee through avg

  accuracyenhancementpromql
  ProjectASAP/ASAPPlanner#772 · Filter by author zzylol opened on Oct 20, 2026

• Measured operation costs cannot express runtime costs beyond sketch operations

  cost-modelenhancementresource
  ProjectASAP/ASAPPlanner#771 · Filter by author zzylol opened on Oct 20, 2026

• Flat-buffer state columns for fixed-size sketches need slice kernels in asap_sketchlib

  enhancementresource
  ProjectASAP/ASAPPlanner#764 · Filter by author zzylol opened on Oct 19, 2026

• Stage 3 under-predicts CPU ~740×: measured costs price only sketch kernels, not scans, per-row work or merges

  bugcost-modelresource
  ProjectASAP/ASAPPlanner#761 · Filter by author zzylol opened on Oct 19, 2026

• Stage 3 almost never selects query-time results kept across evaluations (Example 4 B3 costs 8,884.5/s vs 2.1/s)

  bugcost-modelresource
  ProjectASAP/ASAPPlanner#754 · Filter by author zzylol opened on Oct 18, 2026

• SQL per-entity fold over an estimate has no guarantee: SELECT src, max(p) … GROUP BY src over a DDSketch p

  accuracyenhancementnested queriessql
  ProjectASAP/ASAPPlanner#751 · Filter by author zzylol opened on Oct 18, 2026

• Family-capability table: infer "has heaps" from an explicit column, not from any Approximate readout

  accuracyCSEenhancement
  ProjectASAP/ASAPPlanner#750 · Filter by author zzylol opened on Oct 18, 2026

• Counter window ignores the @ anchor (and its offset): rate(m[5m] @ 300) reads the window ending at the evaluation time

  bugpromqlwindow
  ProjectASAP/ASAPPlanner#748 · Filter by author zzylol opened on Oct 18, 2026

• PhysicalASAPDAG::validate accepts an unstored ingestion-time output read at query time

  bindingbug
  ProjectASAP/ASAPPlanner#747 · Filter by author zzylol opened on Oct 18, 2026

• Accuracy: guarantees for comparisons and top-k bands over estimates (#669 follow-up)

  accuracyenhancementerror-estimation
  ProjectASAP/ASAPPlanner#743 · Filter by author zzylol opened on Oct 18, 2026

• Grouped CASE over a frequency-L2 statistic is sized as absolute error; the ungrouped one as relative

  accuracysql
  ProjectASAP/ASAPPlanner#739 · Filter by author zzylol opened on Oct 17, 2026

• Capabilities lost with the legacy replacement search: maintenance-time exact operations, extension intents, nested folds, rate-maintained summaries and guards

  accuracyenhancementextensibilityoptimizerreplacement-strategy
  ProjectASAP/ASAPPlanner#735 · Filter by author zzylol opened on Oct 16, 2026

• Plan selection: price storage I/O, handoffs and cache, from deployment evidence with provenance

  bindingcost-modelenhancement
  ProjectASAP/ASAPPlanner#733 · Filter by author zzylol opened on Oct 16, 2026

• Pass 2: shared window grids (group-wide panes and long-window segments)

  CSEenhancementoptimizerwindow
  ProjectASAP/ASAPPlanner#731 · Filter by author zzylol opened on Oct 16, 2026

• Pass 1 offers CountSketch for a count, but the executor cannot evaluate a CountSketch total

  accuracybugreplacement-strategy
  ProjectASAP/ASAPPlanner#727 · Filter by author zzylol opened on Oct 16, 2026

• [Bug] Stage 3 sizes a sketch's memory by its full capacity, not by the samples it holds

  bugcost-modelresource
  ProjectASAP/ASAPPlanner#726 · Filter by author zzylol opened on Oct 15, 2026

• Plain Count-Min still uses the portable CountMinSketch: drops nonpositive weights, reuses row seeds past 20 rows

  bindingbug
  ProjectASAP/ASAPPlanner#725 · Filter by author zzylol opened on Oct 15, 2026

• A Sum over a grouped PromQL sum fails to execute: the update reads a sample-value column the grouped output doesn't have

  bindingbugpromql
  ProjectASAP/ASAPPlanner#720 · Filter by author zzylol opened on Oct 15, 2026

• Sketch rollup: a regrouping SummaryMerge so mergeable sketches can roll up to coarser keys

  enhancementrollup
  ProjectASAP/ASAPPlanner#719 · Filter by author zzylol opened on Oct 15, 2026

• Count a shared summary instance once in the failure-probability split (#669 follow-up)

  accuracyenhancement
  ProjectASAP/ASAPPlanner#711 · Filter by author zzylol opened on Oct 15, 2026

• KMV insert and merge are O(k) and O(k²) in asap_sketchlib; unusable at the k the planner sizes

  bindingbug
  ProjectASAP/ASAPPlanner#709 · Filter by author zzylol opened on Oct 15, 2026

• Hydra follow-ups: group totals in the executor, Pass 1 HydraCms candidates, Hydra top-k

  enhancementsubpopulations
  ProjectASAP/ASAPPlanner#703 · Filter by author zzylol opened on Oct 15, 2026

• Plans whose operators have no executor kernel (KMV, IRate) count as valid in Stage 2/3

  bindingbugoptimizer
  ProjectASAP/ASAPPlanner#701 · Filter by author zzylol opened on Oct 15, 2026