[Dataset] Resolving the 'Illegal seek' error #2509
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when will illegal seek happen？ |
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seems there has a conflict #2301 (comment) |
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When using shard mode, an "illegal seek" error can occur. |
I use shard for all my exps, and i never meet this issue |
This error occurs when using HTTP+Shard during the reading of a tar file (tar_file_and_group -> tarfile.open). |
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When handling network resources, it is necessary to open tar files using the mode 'r|' instead of 'r:', as the former does not attempt seek operations and is suitable for sequential reading.