[Bug 6465] New: Provide option to not use largefiles usercache

[mercurial-bugs at mercurial-scm.org]

https://bz.mercurial-scm.org/show_bug.cgi?id=6465

            Bug ID: 6465
           Summary: Provide option to not use largefiles usercache
           Product: Mercurial
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: UNCONFIRMED
          Severity: feature
          Priority: wish
         Component: largefiles
          Assignee: bugzilla at mercurial-scm.org
          Reporter: djerius at cfa.harvard.edu
                CC: mercurial-devel at mercurial-scm.org, natosha at gmail.com
    Python Version: ---

I work on a network where most disks (including /home) are remotely mounted via
NFS (NetApp).

Largefiles will copy files to the usercache if it cannot link them, which
causes significant network i/o if the usercache is on an NFS mount.

I have repositories on multiple remote disks, so to efficiently use Largefiles
I'd have to specify a different, disk-specific largefiles.usercache value for
each repo.

This is, as you can imagine, painful, and leads to some frustration.

It would be very useful if I could simply turn the usercache functionality off.
 If I find a need to use it for a particular repository, I can simply turn it
on there.

Thanks!

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