mleap | MLeap allows for easily putting Spark ML pipelines

 by   TrueCar Scala Version: Current License: Apache-2.0

kandi X-RAY | mleap Summary

kandi X-RAY | mleap Summary

mleap is a Scala library typically used in Big Data, Spark applications. mleap has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Easily put your Spark ML Pipelines into action with MLeap. Train your feature and regression/classification pipeline with Spark then easily convert them to MLeap pipelines to deploy them anywhere. Take your pipelines to an API server, Hadoop, or even back to Spark to execute on a DataFrame. MLeap allows for easy serialization of your estimator and transformer pipelines so you can save them for reuse later. Executing an MLeap pipeline does not require a SparkContext or DataFrame so there is very little overhead for realtime one-off predictions. You don't have to worry about Spark dependencies for executing your models, just add the lightweight MLeap runtime library instead.
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            kandi-support Support

              mleap has a low active ecosystem.
              It has 77 star(s) with 27 fork(s). There are 18 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 11 open issues and 9 have been closed. On average issues are closed in 36 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of mleap is current.

            kandi-Quality Quality

              mleap has 0 bugs and 0 code smells.

            kandi-Security Security

              mleap has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              mleap code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              mleap is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              mleap releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.

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            mleap Key Features

            No Key Features are available at this moment for mleap.

            mleap Examples and Code Snippets

            No Code Snippets are available at this moment for mleap.

            Community Discussions

            QUESTION

            Amazon EMR pip install in bootstrap actions runs OK but has no effect
            Asked 2020-Dec-07 at 12:49

            In Amazon EMR, I am using the following script as a custom bootstrap action to install python packages. The script runs OK (checked the logs, packages installed successfully) but when I open a notebook in Jupyter Lab, I cannot import any of them. If I open a terminal in JupyterLab and run pip list or pip3 list, none of my packages is there. Even if I go to / and run find . -name mleap for instance, it does not exist.

            Something I have noticed is that on the master node, I am getting all the time an error saying bootstrap action 2 has failed (there is no second action, only one). According to this, it is a rare error which I get in all my clusters. However, my cluster eventually gets created and I can use it.

            My script is called aws-emr-bootstrap-actions.sh

            ...

            ANSWER

            Answered 2020-Dec-07 at 12:49

            The PYSPARK, Python interpreter that Spark is using, is different than the one to which the OP was installing the modules (as confirmed in comments).

            Source https://stackoverflow.com/questions/65174150

            QUESTION

            I don't succeed to save (serialize) a zip file with Scikit-Learn with MLeap in Python
            Asked 2020-Jun-29 at 09:56

            I tried that:

            ...

            ANSWER

            Answered 2020-Jun-29 at 09:56

            I found the problem and a workaround.

            It is not possible anymore to do random writes with Databricks as explained here: https://docs.databricks.com/data/databricks-file-system.html?_ga=2.197884399.1151871582.1592826411-509486897.1589442523#local-file-apis

            A workaround is to write the zip file in the local filesystem and then copy it into DBFS. So:

            1. Serialize your model in a Pipeline using "init=True" saving it in a local dir
            2. Copy it to your datalake by using "dbutils.fs.cp(source, destination)"

            dbutils.fs.cp(source, destination)

            Source https://stackoverflow.com/questions/62170224

            QUESTION

            How to use MLeap DenseTensor in Java
            Asked 2020-Jun-06 at 15:37

            I am using MLeap to run a Pyspark logistic regression model in a java program. Once I run the pipeline I am able to get a DefaultLeapFrame object with one row Stream(Row(1.3,12,3.6,DenseTensor([D@538613b3,List(2)),1.0), ?).

            But I am not sure how to actually inspect the DenseTensor object. When I use getTensor(3) on this row I get an object. I am not familiar with Scala but that seems to be how this is meant to be interacted with. In Java how can I get the values within this DenseVector?

            Here is roughly what I am doing. I'm guessing using Object is not right for the type. . .

            ...

            ANSWER

            Answered 2020-Jun-06 at 15:37

            So the MLeap documentation for the Java DSL is not so good but I was able to look over some unit tests (link) that pointed me to the right thing to use. In case anyone else is interested, this is what I did.

            Source https://stackoverflow.com/questions/62221729

            QUESTION

            MLeap broken with Skicit-learn when serialising: object has no attribute 'input_features'
            Asked 2020-May-27 at 09:53

            I'm facing an issue with MLeap 0.16 and Python 3 when I try serialising a model. Here is my code:

            ...

            ANSWER

            Answered 2020-May-27 at 09:53

            QUESTION

            What could cause an error in sparklyr and mleap ml_write_bundle example?
            Asked 2020-May-19 at 17:36

            I'm trying to follow RStudio-MLeap example (https://github.com/rstudio/mleap) but I get an error at `ml_write_bundle()'. Does anyone know how to troubleshoot?

            ...

            ANSWER

            Answered 2020-May-19 at 17:36

            It looks like I just needed to restart R. I had other issues with loading the mleap library for another version of the spark (3.0.0-review2), and I mixed it up.

            Source https://stackoverflow.com/questions/61894006

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install mleap

            You can download it from GitHub.

            Support

            Currently MLeap only supports a select set of estimators/transformers in Spark as a proof of concept.
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          • HTTPS

            https://github.com/TrueCar/mleap.git

          • CLI

            gh repo clone TrueCar/mleap

          • sshUrl

            git@github.com:TrueCar/mleap.git

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