dask.dataframe.from_bcolz
dask.dataframe.from_bcolz¶
- dask.dataframe.from_bcolz(x, chunksize=None, categorize=True, index=None, lock=<unlocked _thread.lock object>, **kwargs)[source]¶
Read BColz CTable into a Dask Dataframe
BColz is a fast on-disk compressed column store with careful attention given to compression. https://bcolz.readthedocs.io/en/latest/
- Parameters
- xbcolz.ctable
- chunksizeint, optional
The size(rows) of blocks to pull out from ctable.
- categorizebool, defaults to True
Automatically categorize all string dtypes
- indexstring, optional
Column to make the index
- lock: bool or Lock
Lock to use when reading or False for no lock (not-thread-safe)
See also
from_array
more generic function not optimized for bcolz