[mirrorbrain-announce] 2.10.1 release with improved hash cache

Hi,

[ In fact, this release followed the previous release, 2.10.0, by only a
  few days, and thus has been available since 9th of September. Due to
  lack of time it wasn't formally announced earlier. Apologies. ]


MirrorBrain 2.10.1 came with the following changes, all of which have to
do with the metalink hash cache:

* The metalink hash cache was revised again, after it was found that
  some filesystems do not guarantee stable inode numbers. 

* To avoid expensive regeneration of hashes, previously existing hash
  files are automatically migrated to the new scheme.

* As a new feature, the metalink-hasher can now easily be run in
  parallel on large file trees, since it uses per-directory locking to
  make sure that two jobs won't work on the same files.


For more details, please refer to the 2.10.1 release notes:
http://mirrorbrain.org/docs/changes/#release-2-10-1-r7798-sep-9-2009

Peter


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