combust/mleap

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MLeap: Deploy ML Pipelines to Production

Stars: 1.5k
Forks: 315
Open beginner issues: 0
Indexed issues: 105

Dominant language: Scala
License: Apache-2.0
Last GitHub push: Jul 21, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Open All

105 open issues indexed

Add support for recommendation ALS model Open

enhancement help wanted

combust/mleap#79 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Standardize Serialization format with Spark Open

epic

combust/mleap#116 · 0 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
SQLTransformer Open

help wanted

combust/mleap#126 · 20 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Reenable LDA parity spec Open

bug help wanted

combust/mleap#169 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add RFormula Transformer Open

enhancement

combust/mleap#191 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support for exporting models from weka Open

enhancement epic help wanted

combust/mleap#291 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Integrate with spark-nlp Open

enhancement epic help wanted

combust/mleap#292 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Automate parity tests between scikit-learn and MLeap transformers Open

enhancement help wanted

combust/mleap#316 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
CountVectorizer from Scikit Learn is not supported Open

enhancement help wanted

combust/mleap#332 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
MLeap BinaryLogisticRegressionModel calculating result differs with the Spark model Open

combust/mleap#339 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
key not found: org.apache.spark.ml.feature.ImputerModel Open

enhancement help wanted

combust/mleap#354 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
java.lang.ClassCastException: scala.None$ cannot be cast to java.lang.Double Open

combust/mleap#357 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Example for invoking MLeap runtime in python? Open

question

combust/mleap#373 · 8 comments · 16 reactions · 0 assignees · Indexed Sep 15, 2026
Java examples for scoring Open

question

combust/mleap#376 · 7 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
After loading Mleap bundle returning org.apache.spark.ml.PipelineModel object instead of ml.combust.mleap.runtime.frame.Transformer Open

combust/mleap#377 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add jars dynamically to Mleap Server Open

combust/mleap#381 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Question: How to extend DefaultLeapFrames with new operations Open

combust/mleap#424 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
MLeap's value for sklearn Open

combust/mleap#430 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Transformed data access Open

combust/mleap#436 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Logistic Regression prediction probabilities Open

help wanted waiting for input

combust/mleap#464 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Schema for converting a PySpark Dataframe into a LeapFrame Open

combust/mleap#466 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
MLeap compatibility with Java 11 Open

enhancement

combust/mleap#475 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Passing the prediction dataframe to Serializer along with the pipeline model Open

question

combust/mleap#488 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Is the exported model able to run in python environment instead of Java/Scala environment? Open

question

combust/mleap#491 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How can I upload model? Open

combust/mleap#499 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Question: Using custom transformers with mleap-serving Open

question

combust/mleap#505 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
serializeModel MultilayerPerceptronClassificationModel, NoSuchMethodError: MultilayerPerceptronClassificationModel.rawPredictionCol() Open

combust/mleap#511 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
adding mleap to conda-forge Open

combust/mleap#512 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for mmlspark Open

enhancement help wanted

combust/mleap#514 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Spark OneHotEncoderEstimator without input/output cols can be serialized but not de-serialized Open

combust/mleap#528 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Serialized then deserialized model does not have the same results (all zero's) Open

combust/mleap#530 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
how can i load a onnx model using mleap? Open

combust/mleap#531 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
availability of library in spark cluster's machines Open

combust/mleap#533 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ReverseStringIndexer not supported in scikit learn Open

enhancement help wanted

combust/mleap#534 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for spark-deep-learning (e.g. DeepImageFeaturizer) Open

combust/mleap#537 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
SKLearn Imputer serialization Open

combust/mleap#539 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Loading MLeap (.zip) Bundle from Azure Blob Store Open

combust/mleap#540 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Issue when serializing a SKLearn Pipeline Open

combust/mleap#541 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Will batch predicion be supported? Open

combust/mleap#545 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support multiple input columns for Bucketizer and StringIndexer as with spark. Open

enhancement help wanted

combust/mleap#549 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Override reference.conf to Support gs FileSystem Open

combust/mleap#550 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Issues at accessing Tensor elements and more Open

combust/mleap#553 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Question] What is the best way to use MLeap XGBoost in python? Open

combust/mleap#557 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Deserialize Scikit Pipeline NotImplementedError Open

enhancement help wanted

combust/mleap#559 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for spark-extensions transformers in Pyspark Open

enhancement epic help wanted

combust/mleap#570 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Flaky tests "throttling" in GrpcSpec Open

bug help wanted

combust/mleap#573 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Does mleap serving support libsvm format(the sparse way)? Open

combust/mleap#585 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Loading Mleap models from external file systems Open

combust/mleap#595 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Mleap transform not support null values. Open

combust/mleap#597 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
how to use mleap model to do prediction? Open

combust/mleap#599 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

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