ray_plasma_kv_store

• Ray's plasma KV store using actors offers the following functionality:

  • Shared memory based storage
  • Python dictionary like interface
  • Not multi-process safe (Use only single reader, and writer process)

• Methods

  • setitem
  • getitem
  • delitem
  • contains
  • iter
  • len
  • keys
  • values
  • get_multi
  • set_multi
  • close

• Open Python terminal from the conda environment

# Activate conda env
conda activate pykvstores

# Open Python terminal
python

Examples

# Import the RayKVStore class
>>> from pykvstores.ray_kvstore import RayKVStore
# Create a RayKVStore object (pass the max number of processes you want to use)
>>> store = RayKVStore(ncpus=2)
# Set an item
>>> store['key'] = 'value'
# Get an item
>>> store['key']
'value'
# Set multiple items
>>> store.set_multi(['key1', 'key2'], ['value1', 'value2'])
# Get multiple items
>>> store.get_multi(['key1', 'key2'])
['value1', 'value2']
# Cleanup and close the store
>>> store.close()
# For more details
>>> help(RayKVStore)