NVIDIA-Merlin/Merlin

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NVIDIA Merlin is an open source library providing end-to-end GPU-accelerated recommender systems, from feature engineering and preprocessing to training deep learning models and running inference in production.

Stars: 907
Forks: 129
Open beginner issues: 0
Indexed issues: 201

Dominant language: Python
License: Apache-2.0
Last GitHub push: Jul 21, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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201 open issues indexed

[QST] TypeError: int() argument must be a string, a bytes-like object or a real number, not 'NoneType' Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

NVIDIA-Merlin/Merlin#1111 · 2 comments · Opened Jul 29, 2025
[QST] Open

question

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

NVIDIA-Merlin/Merlin#1110 · Opened Jun 23, 2025
[FEA] Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 10/100

NVIDIA-Merlin/Merlin#1109 · Opened Mar 17, 2025
[ALERT] Access to NVIDIA's Self-Hosted Runners is Expiring Open

nvidia-runners

Difficulty 1/5 Under an hour Newbie friendliness 25/100

NVIDIA-Merlin/Merlin#1107 · Opened Feb 3, 2025
[BUG] demo code raise no output schema exception Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

NVIDIA-Merlin/Merlin#1105 · Opened Nov 29, 2024
[QST] Recommending items from transactions data Open

question

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

NVIDIA-Merlin/Merlin#1104 · 1 comment · Opened Sep 3, 2024
[BUG] TypeError: function is not supported for this dtype: size at getting-started-movielens Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

NVIDIA-Merlin/Merlin#1103 · 2 comments · 1 reaction · Opened Aug 31, 2024
[QST] The batch generation in MovieLens example produces batches in an unexpected way Open

question

Difficulty 3/5 1-2 days Newbie friendliness 25/100

NVIDIA-Merlin/Merlin#1101 · 2 comments · Opened Jul 2, 2024
[QST]In batch sampler Open

question

Difficulty 3/5 1-2 days Newbie friendliness 20/100

NVIDIA-Merlin/Merlin#1100 · 2 comments · Opened Jun 28, 2024
How to re-train the already trained model with new small dataset. Open

question

Difficulty 5/5 Over a week Newbie friendliness 15/100

NVIDIA-Merlin/Merlin#1097 · Opened May 6, 2024
[QST] What is the best way of handling string UUIDs in Merlin? Open

question

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

NVIDIA-Merlin/Merlin#1093 · 1 comment · Opened Jan 6, 2024
[QST] Help w/ exporting Retrieval Model. Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

NVIDIA-Merlin/Merlin#1092 · 5 comments · Opened Jan 3, 2024
[QST] Status: CUDA driver version is insufficient for CUDA runtime version Open

question

NVIDIA-Merlin/Merlin#1090 · 1 comment · 2 assignees · Opened Dec 24, 2023
[BUG] CUDA context error Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NVIDIA-Merlin/Merlin#1079 · 1 comment · Opened Nov 2, 2023
[BUG] FileNotFoundError when apply Categorify after JoinExternal Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NVIDIA-Merlin/Merlin#1078 · 1 comment · Opened Oct 22, 2023
[QST]Follow the example 'getting started movies' to execute an error. Open

question

Difficulty 3/5 1-2 days Newbie friendliness 20/100

NVIDIA-Merlin/Merlin#1077 · 4 comments · 2 reactions · Opened Oct 19, 2023
[QST] How to serve merlin-tensorflow model in Triton Inference Server and convert it to ONNX? Open

question

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

NVIDIA-Merlin/Merlin#1070 · 1 comment · Opened Sep 21, 2023
[QST] Where to get tensorflow2.10.1+nv22.12 source code ? Open

question

Difficulty 1/5 Under an hour Newbie friendliness 20/100

NVIDIA-Merlin/Merlin#1058 · Opened Aug 14, 2023
[BUG] User cannot deploy Merlin image >=23.04 on Azure Databricks Open

bug P1

Difficulty 4/5 3-5 days Newbie friendliness 25/100

NVIDIA-Merlin/Merlin#1055 · Opened Jul 12, 2023
[RMP] Update Merlin Models TensorFlow API to Match PyTorch API Open

roadmap

NVIDIA-Merlin/Merlin#1054 · 1 assignee · Opened Jul 5, 2023
[Task] Centralize API Documentation in Merlin Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

NVIDIA-Merlin/Merlin#1053 · Opened Jul 5, 2023
POC on how to build a session-based recommendation model that can be used to re-rank candidate items Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

NVIDIA-Merlin/Merlin#1052 · Opened Jul 5, 2023
POC on how to build a session-based recommendation pipeline that can deal with the item cold-start problem Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

NVIDIA-Merlin/Merlin#1051 · Opened Jul 5, 2023
[RMP] Add support for ranking models in PyTorch Open

roadmap

NVIDIA-Merlin/Merlin#1044 · 1 assignee · Opened Jul 3, 2023
[BUG] Update Training and Serving Merlin on AWS SageMaker using latest merlin image Open

bug P1

NVIDIA-Merlin/Merlin#1039 · 5 comments · 1 assignee · Opened Jul 3, 2023
New "welcome" page to replace README.md Open

documentation

NVIDIA-Merlin/Merlin#1033 · 1 comment · 1 assignee · Opened Jun 28, 2023
[BUG] scaling-criteo example fails to download data Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

NVIDIA-Merlin/Merlin#1030 · Opened Jun 27, 2023
[Task] Move examples that are split across repos (Systems, Models) into Merlin repo Open

NVIDIA-Merlin/Merlin#1027 · 3 assignees · Opened Jun 26, 2023
[RMP] Revamp Merlin "Getting Started" Documentation Open

NVIDIA-Merlin/Merlin#1021 · 2 assignees · Opened Jun 21, 2023
[RMP] Subgraph capabilities across Merlin Open

NVIDIA-Merlin/Merlin#1019 · 2 comments · 3 assignees · Opened Jun 20, 2023
Document the limitations of our pretrained solution Open

documentation

NVIDIA-Merlin/Merlin#1001 · 2 assignees · Opened Jun 6, 2023
Document the API of pretrained embeddings Open

documentation

NVIDIA-Merlin/Merlin#1000 · 2 assignees · Opened Jun 6, 2023
[QST] out of memory error while trying out examples in jupyter notebook Open

question

Difficulty 4/5 3-5 days Newbie friendliness 20/100

NVIDIA-Merlin/Merlin#993 · 9 comments · Opened May 24, 2023
[Task] Introduce 1-gpu vs 2-gpu pytest markers Open

ci

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NVIDIA-Merlin/Merlin#992 · Opened May 23, 2023
[RMP]trial issue for testing automation Open

roadmap

NVIDIA-Merlin/Merlin#986 · 1 assignee · Opened May 19, 2023
[RMP] Ability to save a model for inference where the embeddings are saved separately as an npz file and the model is saved such that embeddings are an input. Open

roadmap

NVIDIA-Merlin/Merlin#983 · 3 assignees · Opened May 17, 2023
[Task] Add slack notifications for failed Github Action jobs Open

chore ci

NVIDIA-Merlin/Merlin#977 · 1 assignee · Opened May 15, 2023
[Task] Remove HugeCTR examples Open

examples

NVIDIA-Merlin/Merlin#969 · 1 assignee · Opened May 8, 2023
[Task] Add a dev tag to main development branch after release branch created Open

ci

NVIDIA-Merlin/Merlin#961 · 1 reaction · 2 assignees · Opened May 2, 2023
Quick-start for session-based script and CLI args refactored to be more modular Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

NVIDIA-Merlin/Merlin#960 · Opened May 1, 2023
Choose the dataset for the Quick-start for session-based recs Open

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

NVIDIA-Merlin/Merlin#951 · Opened Apr 26, 2023
Document the best practices on building a pipeline for session-based recommendation Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

NVIDIA-Merlin/Merlin#950 · Opened Apr 26, 2023
Document the CLI args of the session based recsys training script Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

NVIDIA-Merlin/Merlin#949 · Opened Apr 26, 2023
Document the new CLI args for session-based preproc of the preprocessing script Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

NVIDIA-Merlin/Merlin#948 · Opened Apr 26, 2023
Quick-Start experiments: Run a session-based recommendation HPO for the selected dataset for next-item prediction task Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

NVIDIA-Merlin/Merlin#947 · Opened Apr 26, 2023
Rename/create command line args and standardize training_trask and evaluation_task (e.g. "causal" x "all"): Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NVIDIA-Merlin/Merlin#946 · Opened Apr 26, 2023
Include support to basic mean sequence aggregators (YouTube DNN) Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

NVIDIA-Merlin/Merlin#945 · Opened Apr 26, 2023
Configure how sequential and non-sequential features are combined Open

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

NVIDIA-Merlin/Merlin#944 · Opened Apr 26, 2023
Session-based quick start: Support pointwise prediction tasks Open

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

NVIDIA-Merlin/Merlin#943 · Opened Apr 26, 2023
Enable LogQ correction for ContrastiveOutput when negative sampling is used Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

NVIDIA-Merlin/Merlin#942 · Opened Apr 26, 2023

NVIDIA-Merlin/Merlin

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