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SDS Distributed Key-Value

sdsdkv is a configurable distributed key-value service.

Building

sdsdkv depends on several pieces of software infrastructure, so it is convenient to build these dependencies using spack. If spack is already configured in your environment, then please skip to Install dependencies. Please note that a bash-like environment is assumed herein.

Get spack.

git clone https://github.com/spack/spack.git

Configure spack and build environment.

source spack/share/spack/setup-env.sh
# Setup spack for modules support.
spack bootstrap

Install dependencies.

# Checkout sds-repo
git clone https://github.com/mochi-hpc/mochi-spack-packages.git
# Add to spack.
spack repo add mochi-spack-packages
# Install via spack.
#spack install --dirty mochi-sdskv+leveldb
#spack install --dirty mochi-ssg+mpi
#spack install --dirty mochi-ch-placement


# Be sure and have libfabric build the proper network layers. For the trivial test,
# the tcp and rxm network layers are required. To build these, add the variants to
# the spack packages in ~/.spack/packages.yaml or ~/.spack/linux/packages.yaml
#   libfabric:
#     variants: fabrics=tcp,rxm

spack install mochi-sdskv^[email protected] mochi-ssg+mpi mochi-ch-placement pkg-config
# Refresh spack environment.
source spack/share/spack/setup-env.sh
# Load required modules.
#spack load -r autoconf
#spack load -r automake
#spack load -r libtool
source <(spack module tcl loads mochi-sdskv mochi-ssg mochi-ch-placement mochi-margo mercury argobots json-c mochi-abt-io leveldb berkeley-db autoconf automake libtool pkg-config)

Get and build sdsdkv.

git clone https://github.com/mochi-hpc/mochi-sdsdkv.git
cd mochi-sdsdkv && autoreconf --force --install && ./configure CXX=mpic++ && make

Test Distributed key value build

mpirun -n 2 tests/trivial

Some of the possible errors and their solutions:

configure.ac:53: error: possibly undefined macro: AC_MSG_ERROR This is caused by not having pkg-config

sdsdkv-config.h:17:10: fatal error: sdskv-common.h: No such file or directory 17 | #include "sdskv-common.h"

This is from a change in behavior of the PKG_CHECK_MODULES macro in configure.ac. A fix has been added to append the the paths to the CXX_FLAGS and LIBS variables

sdsdkv-misci.h:29:15: error: ‘SDSKV_ERR_MERCURY’ was not declared in this scope; did you mean ‘SDSKV_ERR_ERASE’? 29 | case (SDSKV_ERR_MERCURY): return SDSDKV_ERR_SERVICE;

The error codes have changed in SDSKV. Check the versions of SDSKV and SDSDKV.

[error] Could not initialize hg_class while running the trivial test

Check that you are building libfabric with tcp and rxm support