Improve parallel behavior

This commit is contained in:
allegroai 2023-10-24 18:39:10 +03:00
parent c26efb83af
commit f964783046

View File

@ -3215,17 +3215,17 @@ class Dataset(object):
pool.close()
def _verify_dataset_folder(self, target_base_folder, part, chunk_selection, max_workers):
# type: (Path, Optional[int], Optional[dict], Optional[int]) -> bool
# type: (Path, int, dict, int) -> bool
def verify_file_or_link(base_folder, ds_part, ds_chunk_selection, file_entry):
# type: (Path, Optional[int], Optional[dict], FileEntry) -> Optional[bool]
def __verify_file_or_link(target_base_folder, file_entry, part=None, chunk_selection=None):
# type: (Path, Union[FileEntry, LinkEntry], Optional[int], Optional[dict]) -> bool
# check if we need the file for the requested dataset part
if ds_part is not None:
f_parts = ds_chunk_selection.get(file_entry.parent_dataset_id, [])
# file is not in requested dataset part, no need to check it.
if self._get_chunk_idx_from_artifact_name(file_entry.artifact_name) not in f_parts:
return None
return True
# check if the local size and the stored size match (faster than comparing hash)
if (base_folder / file_entry.relative_path).stat().st_size != file_entry.size:
@ -3237,21 +3237,26 @@ class Dataset(object):
# check dataset file size, if we have a full match no need for parent dataset download / merge
verified = True
# noinspection PyBroadException
tp = None
try:
futures_ = []
with ThreadPoolExecutor(max_workers=max_workers) as tp:
for f in self._dataset_file_entries.values():
future = tp.submit(verify_file_or_link, target_base_folder, part, chunk_selection, f)
futures_.append(future)
tp = ThreadPoolExecutor(max_workers=max_workers)
for f in self._dataset_file_entries.values():
future = tp.submit(__verify_file_or_link, target_base_folder, f, part, chunk_selection)
futures_.append(future)
for f in self._dataset_link_entries.values():
# don't check whether link is in dataset part, hence None for part and chunk_selection
future = tp.submit(verify_file_or_link, target_base_folder, None, None, f)
futures_.append(future)
for f in self._dataset_link_entries.values():
# don't check whether link is in dataset part, hence None for part and chunk_selection
future = tp.submit(__verify_file_or_link, target_base_folder, f, None, None)
futures_.append(future)
verified = all(f.result() is not False for f in futures_)
verified = all(f.result() for f in futures_)
except Exception:
verified = False
finally:
if tp is not None:
# we already have our result, close all pending checks (improves performance when verified==False)
tp.shutdown(cancel_futures=True)
return verified