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limit the threads to the number of CPUs #3

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limit the threads to the number of CPUs #3

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6 changes: 5 additions & 1 deletion findatapy/market/marketdatagenerator.py
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Expand Up @@ -319,6 +319,10 @@ def fetch_group_time_series(self, market_data_request_list):
thread_no = DataConstants().market_thread_no[market_data_request_list[0].data_source]

if thread_no > 0:
# limit the threads to the number of available CPUs
from multiprocessing import cpu_count
thread_no = min(cpu_count(),thread_no)

pool = Pool(thread_no)

# open the market data downloads in their own threads and return the results
Expand Down Expand Up @@ -417,4 +421,4 @@ def create_category_key(self, market_data_request, ticker=None):
return key

def create_cache_file_name(self, filename):
return DataConstants().folder_time_series_data + "/" + filename
return DataConstants().folder_time_series_data + "/" + filename