NVIDIA-NeMo/DataDesigner

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🎨 NeMo Data Designer: Generate high-quality synthetic data from scratch or from seed data.

Stars: 2.2k
Forks: 211
Open beginner issues: 0
Indexed issues: 59
Avg merge: 2d 6h
Merged PRs (30d): 40

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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59 open issues indexed

Persist allocation-local performance telemetry for Slurm runs and benchmarks Open

task

Difficulty 5/5 Over a week Newbie friendliness 42/100

NVIDIA-NeMo/DataDesigner#947 · Opened Sep 17, 2026
Decouple HTTP connection pool limits from max_parallel_requests at high concurrency Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

NVIDIA-NeMo/DataDesigner#946 · Opened Sep 17, 2026
RequestFairQueue selection cost grows with historical group activations Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 76/100

NVIDIA-NeMo/DataDesigner#945 · Opened Sep 17, 2026
Report generation crashes on empty categorical histograms Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 78/100

NVIDIA-NeMo/DataDesigner#905 · Opened Aug 31, 2026
DataDesigner.validate raises ValueError for valid Jinja prompts containing literal braces Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

NVIDIA-NeMo/DataDesigner#904 · Opened Aug 31, 2026
Judge-score report generation crashes on missing or incomplete score distributions Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 74/100

NVIDIA-NeMo/DataDesigner#903 · Opened Aug 31, 2026
Add keyed execution for group-scoped consistent generation Open

task

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#885 · Opened Aug 21, 2026
Support pandas>3 in data-designer Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NVIDIA-NeMo/DataDesigner#882 · 2 comments · Opened Aug 20, 2026
Run, observe, and analyze Slurm benchmarks Open

task

NVIDIA-NeMo/DataDesigner#877 · 1 comment · 1 assignee · Opened Aug 18, 2026
Implement the allocation-local Data Designer client worker Open

task

NVIDIA-NeMo/DataDesigner#876 · 1 comment · 1 assignee · Opened Aug 18, 2026
Compile Slurm configuration into deterministic execution plans Open

task

NVIDIA-NeMo/DataDesigner#875 · 1 comment · 1 assignee · Opened Aug 18, 2026
Expose Slurm services, CLI, packaging, and documentation Open

task

NVIDIA-NeMo/DataDesigner#874 · 2 comments · 1 assignee · Opened Aug 18, 2026
Harden the Slurm runtime and validate sealed release artifacts Open

task

NVIDIA-NeMo/DataDesigner#870 · 1 assignee · Opened Aug 15, 2026
Persist Slurm run state, retry shards, and collect winners Open

task

NVIDIA-NeMo/DataDesigner#869 · 1 assignee · Opened Aug 15, 2026
Implement Slurm submission and allocation runtime Open

task

NVIDIA-NeMo/DataDesigner#868 · 1 assignee · Opened Aug 15, 2026
Build, inspect, and manage SQSH images for Slurm Open

task

NVIDIA-NeMo/DataDesigner#867 · 1 assignee · Opened Aug 15, 2026
Resolve deployment-owned vLLM serving plans for Slurm Open

task

NVIDIA-NeMo/DataDesigner#866 · 1 assignee · Opened Aug 15, 2026
Support es_SV (El Salvador) locale in PersonSampler / managed datasets Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

NVIDIA-NeMo/DataDesigner#862 · Opened Aug 12, 2026
Expose terminal failed-column and seed-row provenance in public results Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 45/100

NVIDIA-NeMo/DataDesigner#860 · 1 comment · Opened Aug 12, 2026
Epic: Slurm batch execution v1 Open

plan task

Difficulty 5/5 Over a week Newbie friendliness 25/100

NVIDIA-NeMo/DataDesigner#850 · Opened Aug 10, 2026
chore: consolidate docs/ and fern/ into one documentation tree Open

task

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#837 · Opened Jul 30, 2026
refactor: interface-layer OpenTelemetry runtime follow-ups deferred from #802 Open

refactor task

Difficulty 4/5 3-5 days Newbie friendliness 52/100

NVIDIA-NeMo/DataDesigner#809 · Opened Jul 8, 2026
refactor(config): non-breaking hygiene pass on RunConfig Open

refactor

Difficulty 4/5 3-5 days Newbie friendliness 68/100

NVIDIA-NeMo/DataDesigner#807 · Opened Jul 7, 2026
Harden Agentic CI PR reviews for forked pull requests Open

task

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#804 · Opened Jul 7, 2026
feat: generate an exact number of rows matching a declared criterion Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#790 · Opened Jul 1, 2026
enforce \from future import annotations` via ruff FA102 rule` Open

task

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

NVIDIA-NeMo/DataDesigner#760 · Opened Jun 19, 2026
Conflicting guidance on lazy heavy imports Open

triaged

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NVIDIA-NeMo/DataDesigner#759 · Opened Jun 17, 2026
Add native provider request support for non-chat plugin model calls Open

task

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#758 · Opened Jun 17, 2026
Add README to plans/ folder Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

NVIDIA-NeMo/DataDesigner#753 · Opened Jun 16, 2026
Public async runs cannot tune row-group horizon/adaptive admission Open

bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#741 · Opened Jun 5, 2026
Public async runs do not expose capacity diagnostics needed to explain endpoint idle time Open

enhancement

NVIDIA-NeMo/DataDesigner#727 · 1 comment · 1 assignee · Opened Jun 1, 2026
Allow model providers to restrict workflows to approved models Open

enhancement needs-discussion

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#711 · Opened May 29, 2026
Report per-column idle time in end-of-run metrics Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 45/100

NVIDIA-NeMo/DataDesigner#695 · Opened May 21, 2026
Consolidate Data Designer user configuration into a single TOML file Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#694 · 1 comment · Opened May 21, 2026
Add first-class reranking model support Open

enhancement needs-discussion

Difficulty 5/5 Over a week Newbie friendliness 30/100

NVIDIA-NeMo/DataDesigner#677 · Opened May 19, 2026
Document async scheduling architecture, capacity, and operations Open

plan task

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NVIDIA-NeMo/DataDesigner#660 · Opened May 14, 2026
uv tool update removes DataDesigner plugin installs Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

NVIDIA-NeMo/DataDesigner#659 · Opened May 14, 2026
Design resource-vector and provider-aware admission policies Open

plan spike task

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#651 · Opened May 13, 2026
Epic: Async Scheduling Resource Metadata, Admission, and Observability Open

plan task

NVIDIA-NeMo/DataDesigner#645 · 1 assignee · Opened May 13, 2026
Split docs preview build and deploy workflows Open

documentation task

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NVIDIA-NeMo/DataDesigner#637 · Opened May 12, 2026
Push Data Designer datasets to Harbor Hub Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#619 · Opened May 7, 2026
tests: cover structural_impact.py pure helpers; thread repo_root and align path resolution Open

task

Difficulty 4/5 3-5 days Newbie friendliness 56/100

NVIDIA-NeMo/DataDesigner#601 · Opened May 4, 2026
Concrete schemas for all nemotron-personas datasets Open

task

Difficulty 4/5 3-5 days Newbie friendliness 45/100

NVIDIA-NeMo/DataDesigner#573 · Opened Apr 24, 2026
Skill: auto-port custom columns to plugin packages Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NVIDIA-NeMo/DataDesigner#563 · 1 comment · Opened Apr 20, 2026
Agentic CI: Issue & PR Triage Tracker Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

NVIDIA-NeMo/DataDesigner#562 · 1 comment · Opened Apr 20, 2026
Add request/response logging hook to native model client Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA-NeMo/DataDesigner#503 · 1 comment · Opened Apr 7, 2026
refactor: introduce AsyncRunController and explicit sinks for async build/preview Open

refactor

NVIDIA-NeMo/DataDesigner#447 · 1 assignee · Opened Mar 20, 2026
Enable non-existent tool fallback with MCP server Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

NVIDIA-NeMo/DataDesigner#400 · Opened Mar 12, 2026
Jinja2 templates cannot reference columns created by PRE_BATCH processors Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NVIDIA-NeMo/DataDesigner#394 · Opened Mar 11, 2026
Add structured metadata to log records for programmatic consumption Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NVIDIA-NeMo/DataDesigner#386 · 1 comment · Opened Mar 9, 2026

NVIDIA-NeMo/DataDesigner

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