Different HDFStores in multiple threads crashes Python · Issue #2397 · pandas-dev/pandas (original) (raw)

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Description

import threading import pandas as pd import time

def foo(): store = pd.HDFStore('my_hdf_file.h5') store['foo'] store.close()

def main(): threading.Thread(target=foo).start() threading.Thread(target=foo).start() time.sleep(2)

if name == 'main': main()

Crashes for me (Windows 7 using pytables 2.4.0 and pandas 0.9.1 from http://www.lfd.uci.edu/~gohlke/pythonlibs/). I can't get the stack trace easily, I can try harder if necessary. Simply using tables.openFile and reading a few values seems to work fine.