[GitHub] [beam] kennknowles commented on issue #28605: [Bug]: Artifact materialization can cause a race when multiple callers materialize the same artifact in the same destination.

["kennknowles (via GitHub)" <gi...@apache.org>]

kennknowles commented on issue #28605:
URL: https://github.com/apache/beam/issues/28605#issuecomment-1735451952

   I'm gonna say that a process writing to a share location had better assume there might be other processes that want that location, even on accident. The two choices are: (1) generate a fresh location that no one else is going to conflict with (a la `mktemp -d`) or (2) use a location intentionally shared. I feel like in this case intentional sharing is what you want, to download once and use by all.


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