Details
-
Bug
-
Status: Closed
-
Minor
-
Resolution: Won't Fix
-
None
Description
Python 2.7.12 (default, Nov 20 2017, 18:23:56)
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyarrow as pa, numpy as np
>>> arrays = [np.arange(100, dtype=np.int32) for _ in range(10000)]
>>> with open('test.pyarrow', 'w') as f:
... f.write(pa.serialize(arrays).to_buffer().to_pybytes())
...
>>> import cPickle as pickle
>>> pickle.dump(arrays, open('test.pkl', 'w'), pickle.HIGHEST_PROTOCOL)
test.pyarrow is 6.2 MB, while test.pkl is only 4.2 MB.