apache/datasketches-java

A software library of stochastic streaming algorithms, a.k.a. sketches.

Stars: 958
Forks: 226
Open beginner issues: 0
Indexed issues: 9
Avg merge: 3d 9h
Merged PRs (30d): 8

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 13, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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9 issues indexed so far

The Java Hash functions and possibly other functions, need to be more centralized, e.g., in DS-java-common. Open

apache/datasketches-java#569 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Reservoir sampling improvements Open

apache/datasketches-java#647 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Non-deterministic result when merging an empty KllFloatsSketch with two others Open

apache/datasketches-java#693 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Compress TDigest can generate centroid with NaN mean Open

apache/datasketches-java#702 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Question: How do we ensure `TDigest::merge` never causes numCentroids over centroidsCapacity and thus index out of bound? Closed

apache/datasketches-java#703 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How CpcSketch's CompressionData gets generated? Open

apache/datasketches-java#720 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add proper module name in Manifest Open

apache/datasketches-java#731 · 16 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
can we use stable sort for tdigest Open

apache/datasketches-java#739 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
KllItemsSketch: querying before serialization corrupts the round-tripped sorted view Open

apache/datasketches-java#756 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026

A short digest of beginner-friendly GitHub issues.