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tag shared and temp files with username #430

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tag shared and temp files with username #430

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3 changes: 2 additions & 1 deletion streaming/base/dataset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@

"""A mid-epoch-resumable streaming/caching pytorch IterableDataset."""

import getpass
import json
import logging
import os
Expand Down Expand Up @@ -495,7 +496,7 @@ def __init__(self,
]
self._shm_prefix_int, self._locals_shm = get_shm_prefix(streams_local, streams_remote,
world)
self._filelock_root = os.path.join(os.path.sep, 'tmp', 'streaming')
self._filelock_root = os.path.join(os.path.sep, 'tmp', getpass.getuser(), 'streaming')
os.makedirs(self._filelock_root, exist_ok=True)

# Create the shared memory-backed barrier, without its lock, which is unpickleable.
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3 changes: 2 additions & 1 deletion streaming/base/shared/prefix.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
prevent shared resources like shared memory from colliding.
"""

import getpass
from collections import Counter
from time import sleep
from typing import Iterator, List, Tuple, Union
Expand Down Expand Up @@ -41,7 +42,7 @@ def _get_path(prefix_int: int, name: str) -> str:
Returns:
str: Unique shared memory name.
"""
return f'{prefix_int:06}_{name}'
return f'{getpass.getuser()}_{prefix_int:06}_{name}'


def _pack_locals(dirnames: List[str], prefix_int: int) -> bytes:
Expand Down