git-annex/doc/todo/parallel_possibilities/comment_3_145fb974f45da99b7d4b117a3699cccf._comment
Joey Hess e213ef310f git-annex (5.20140717) unstable; urgency=high
* Fix minor FD leak in journal code. Closes: #754608
  * direct: Fix handling of case where a work tree subdirectory cannot
    be written to due to permissions.
  * migrate: Avoid re-checksumming when migrating from hashE to hash backend.
  * uninit: Avoid failing final removal in some direct mode repositories
    due to file modes.
  * S3: Deal with AWS ACL configurations that do not allow creating or
    checking the location of a bucket, but only reading and writing content to
    it.
  * resolvemerge: New plumbing command that runs the automatic merge conflict
    resolver.
  * Deal with change in git 2.0 that made indirect mode merge conflict
    resolution leave behind old files.
  * sync: Fix git sync with local git remotes even when they don't have an
    annex.uuid set. (The assistant already did so.)
  * Set gcrypt-publish-participants when setting up a gcrypt repository,
    to avoid unncessary passphrase prompts.
    This is a security/usability tradeoff. To avoid exposing the gpg key
    ids who can decrypt the repository, users can unset
    gcrypt-publish-participants.
  * Install nautilus hooks even when ~/.local/share/nautilus/ does not yet
    exist, since it is not automatically created for Gnome 3 users.
  * Windows: Move .vbs files out of git\bin, to avoid that being in the
    PATH, which caused some weird breakage. (Thanks, divB)
  * Windows: Fix locking issue that prevented the webapp starting
    (since 5.20140707).

# imported from the archive
2014-07-17 11:27:25 -04:00

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[[!comment format=mdwn
username="http://joeyh.name/"
ip="4.154.4.90"
subject="comment 3"
date="2013-07-17T19:59:50Z"
content="""
Note that git-annex now uses locks to communicate among multiple processes, so it's now possible to eg run two `git annex get` processes, and one will skip over the file the other is downloading and go on to the next file, and so on.
This is an especially nice speedup when downloading encrypted data, since the decryption of one file will tend to happen while the other process is downloading the next file (assuming files of approximately the same size, and that decryption takes approxiately as long as downloading).
The only thing preventing this being done by threads in one process, enabled by a -jN option, is that the output would be a jumbled mess.
"""]]