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Add blosc compression

This commit is contained in:
Matthias 2020-07-24 17:44:29 +02:00
parent 0f08addfbe
commit 3171ad33b7
3 changed files with 3 additions and 1 deletions
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2
freqtrade/data/history/hdf5datahandler.py
View File

@ -139,7 +139,7 @@ class HDF5Handler(IDataHandler):
column sequence as in DEFAULT_TRADES_COLUMNS column sequence as in DEFAULT_TRADES_COLUMNS
""" """
key = self._pair_trades_key(pair) key = self._pair_trades_key(pair)
ds = pd.HDFStore(self.filename_trades, mode='a', complevel=9) ds = pd.HDFStore(self.filename_trades, mode='a', complevel=9, complib='blosc')
ds.put(key, pd.DataFrame(data, columns=DEFAULT_TRADES_COLUMNS), ds.put(key, pd.DataFrame(data, columns=DEFAULT_TRADES_COLUMNS),
format='table', data_columns=['timestamp']) format='table', data_columns=['timestamp'])
ds.close() ds.close()

1
requirements-common.txt
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@ -14,6 +14,7 @@ tabulate==0.8.7
pycoingecko==1.3.0 pycoingecko==1.3.0
jinja2==2.11.2 jinja2==2.11.2
tables==3.6.1 tables==3.6.1
blosc==1.9.1
# find first, C search in arrays # find first, C search in arrays
py_find_1st==1.1.4 py_find_1st==1.1.4

1
setup.py
View File

@ -86,6 +86,7 @@ setup(name='freqtrade',
'numpy', 'numpy',
'pandas', 'pandas',
'tables', 'tables',
'blosc',
], ],
extras_require={ extras_require={
'api': api, 'api': api,