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Microsoft's contributions for Spark with Apache Accumulo
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Microsoft MASC, an Apache Spark connector for Apache Accumulo

The goal of this repository is to facilitate the use of Apache Spark and its machine learning ecosystem with Apache Accumulo as an external data source.


  • The connector provides connectivity to read from / write to Accumulo using Spark. See the README for more details about supported functionality.


This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit

When you submit a pull request, a CLA bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., status check, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact with any additional questions or comments.


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All code provided, except where otherwise documented in OpenSource and NOTICE, is covered by the Apache License 2.0


Apache®, Apache Spark, Apache Accumulo and Accumulo are either registered trademarks or trademarks of the Apache Software Foundation in the United States and/or other countries.

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