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Prerequisites 

1. For using MADlib 1.17.0 deep learning feature, users are required to install Keras, Tensorflow and dependencies separately.

Configurations

1. The MADlib 1.17.0 deep learning module is tested on the following configurations:
   1. Greenplum v6.5, CentOS 6/7
   2. Greenplum v6.5, Ubuntu 18
   3. Greenplum v5.24, CentOS 6
   4. Greenplum v5.24, Ubuntu 18
   5. Postgres 11 and 12, CentOS 7
   6. Postgres 11 and 12, Ubuntu 18
   7. Deep learning library versions 
      1. Keras: 2.2.4 
      2. Tensorflow: 1.14
      3. Scipy: 1.2.1
      4. cudNN: 7.4.2
         
      5. CUDA: Cuda compilation tools, release 10.0, V10.0.130
   8. GPU configuration: Nvidia Tesla P100-PCIE-16GB
2. MADlib 1.17.0 deep learning module is supported for the following versions:
1. Greenplum 5 and Greenplum 6 or newer.  Greenplum 6.5.0+ recommended (see Note 8 below).
2. Python 2.7
3. Tensorflow <= 1.14 (TensorFlow 1.14 is highly recommended)
4. Keras <= 2.2.4 (Keras 2.2.4 is highly recommended)

Known issues with the MADlib 1.17.0 Deep Learning module on Greenplum/Postgres:

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