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new: add map_threads option for ThreadPool size in map pipe #320

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new: add map_threads option for ThreadPool size in map pipe #320

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4 changes: 2 additions & 2 deletions src/pyff/builtins.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@
from lxml.etree import DocumentInvalid
from str2bool import str2bool

from pyff.constants import NS
from pyff.constants import NS, config
from pyff.decorators import deprecated
from pyff.exceptions import MetadataException
from pyff.logs import get_log
Expand Down Expand Up @@ -111,7 +111,7 @@ def _p(e):

from multiprocessing.pool import ThreadPool

pool = ThreadPool()
pool = ThreadPool(config.map_threads)
result = pool.map(_p, iter_entities(req.t), chunksize=10)
log.info(f"processed {len(result)} entities")

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4 changes: 4 additions & 0 deletions src/pyff/constants.py
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Expand Up @@ -344,6 +344,10 @@ class Config:
"info_buffer_size", default=10, typeconv=as_int, info="how much history to keep about each metadata URL"
)

map_threads = S(
"map_threads", typeconv=as_int, info="how many threads to create in map pipe [default: os.process_cpu_count() ]"
)

worker_pool_size = S(
"worker_pool_size", default=1, cmdline=['pyffd'], typeconv=as_int, info="how many gunicorn workers to run"
)
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