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Building the Server

Getting Started

If you have not installed the Arkouda Client and prerequisites, please follow the directions in the Installation Section before proceeding with this build.

Download, clone, or fork the arkouda repo. Further instructions assume that the current directory is the top-level directory of the repo.

Environment Variables

In order to build the server executable, some environment variables need to be configured. For a full list, please refer to Environment Section.

Dependency Configuration

Using Environment Installed Dependencies (Recommended)

When utilizing a package manager, such as Anaconda, to install dependencies (see INSTALL.md) you will need to provide the path to the location of your installed packages. This is achieved by adding the path to your package install location to Makefile.paths (Example Below). It is important to note that in most cases you will only provide a single path for your environment. However, if you have manually installed dependencies (such as ZeroMQ or HDF5), you will need to provide each install location.

# Makefile.paths

# Custom Anaconda environment for Arkouda
$(eval $(call add-path,/home/user/anaconda3/envs/arkouda))
#                      ^ Note: No space after comma.

It is important to note that the path may vary based on the installation location of Anaconda (or pip if not using Anaconda) and your environment name. Here are some tips to locate the path.

# when installing via pip
%pip show hdf5 | grep Location
Location: /opt/homebrew/Caskroom/miniforge/base/envs/ak-base/lib/python3.10/site-packages

# when using conda - the first line of return gives the location
%conda list hdf5
# packages in environment at /opt/homebrew/Caskroom/miniforge/base/envs/ak-base:
#
# Name                    Version                   Build  Channel
hdf5                      1.12.1          nompi_hf9525e8_104    conda-forge

The chpl compiler will be executed with -I, -L and an -rpath to each path.

The minimum cmake version is 3.11.0, which is not supported in older RHEL versions such as CentOS 7; in these cases, cmake must be downloaded, installed, and linked as follows. Note: while any version of cmake >= 3.11.0 should work, we tested exclusively with 3.11.0:

# Export version number of cmake binary to be installed
export CM_VERSION=3.11.0

# Download cmake
wget https://github.com/Kitware/CMake/releases/download/v$CM_VERSION/cmake-$CM_VERSION-Linux-x86_64.sh

# Install cmake
sh /opt/cmake-$CM_VERSION-Linux-x86_64.sh --skip-license --include-subdir

# Link cmake version

export PATH=./cmake-$CM_VERSION-Linux-x86_64/bin:$PATH

cmake can also be installed using conda or pip

conda install cmake>=3.11.0

pip install cmake>=3.11.0

Installing Dependencies

Please Note: This step is to only be performed if you are NOT using dependencies from your env. If you attempt to use both, it is possible that version mismatches will cause build failures.

This step only needs to be done once. Once dependencies are installed, you will not need to run again. You can install all dependencies with a single command or install individually for a customized build.

Before installing, ensure the Makefile.paths is empty.

Dependencies

  • ZMQ
  • HDF5
  • Arrow
  • iconv
  • idn2
All Dependencies

make install-deps

Individual Installs

# Install ZMQ Only
make install-zmq

# Install HDF5 Only
make install-hdf5

# Install Arrow Only
make install-arrow

# Install iconv Only
make install-iconv

# Install idn2 Only
make install-idn2

Arrow Install Troubleshooting

Arrow should be installed without issue, but in some instances it is possible that the install will not always complete using the Chapel dependencies. If that occurs, install the following packages.

#using conda to install
conda install boost-cpp snappy thrift-cpp re2 utf8proc

#using pip
pip install boost snappy thrift re2 utf8proc

Distributable Package

Alternatively you can build a distributable package via

# We'll use a virtual environment to build
python -m venv build-client-env
source build-client-env/bin/activate
python -m pip install --upgrade pip build wheel versioneer
python setup.py clean --all
python -m build

# Clean up our virtual env
deactivate
rm -rf build-client-env

# You should now have 2 files in the dist/ directory which can be installed via pip
pip install dist/arkouda*.whl
# or
pip install dist/arkouda*.tar.gz

Build the Server

Run the make command to build the arkouda_server executable.

make

Building the Arkouda Documentation

The Arkouda documentation is here.

(click to see more)

First ensure that all Python doc dependencies including sphinx and sphinx extensions have been installed as detailed above. Important: if Chapel was built locally, make chpldoc must be executed as detailed above to enable generation of the Chapel docs via the chpldoc executable.

Now that all doc generation dependencies for both Python and Chapel have been installed, there are three make targets for generating docs:

# make doc-python generates the Python docs only
make doc-python

# make doc-server generates the Chapel docs only
make doc-server

# make doc generates both Python and Chapel documentation
make doc

The Python docs are written out to the arkouda/docs directory while the Chapel docs are exported to the arkouda/docs/server directory.

arkouda/docs/ # Python frontend documentation
arkouda/docs/server # Chapel backend server documentation

To view the Arkouda documentation locally, type the following url into the browser of choice: file:///path/to/arkouda/docs/index.html, substituting the appropriate path for the Arkouda directory configuration.

The make doc target detailed above prepares the Arkouda Python and Chapel docs for hosting both locally and on ghpages.

There are three easy steps to hosting Arkouda docs on Github Pages. First, the Arkouda docs generated via make doc are pushed to the Arkouda or Arkouda fork master branch. Next, navigate to the Github project home and click the "Settings" tab. Finally, scroll down to the Github Pages section and select the "master branch docs/ folder" source option. The Github Pages docs url will be displayed once the source option is selected. Click on the link and the Arkouda documentation homepage will be displayed.

Modular Building

For information on Arkouda's modular building feature, see MODULAR.md.