[Bug-tar] Is there a drop-in replacement for tar that allows random read/write and concurrent access to different entries in the archive?

[Peng Yu]

Hi, I see har tries to resolve the random access problem with tar. But it introduces other limitations, e.g., file size limit and only working on Linux for now.

https://github.com/acg/har/blob/master/README.md#about-har

Also, it is not clear whether multiple files in an archive can be concurrently read/write.

Does anybody know if there is a drop-in replacement of tar that can support both features (random access and concurrency)?

Note, both needs come from the usage of network file systems like glusterfs which is very inefficient to ls a large number of files but is OK to handle large files. If there is a drop-in replacement of tar satisfying the above two features, then we may circumvent the limitation of glusterfs.

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Regards,
Peng