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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2012-07-23T16·08-0400 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2012-07-23T21·14-0400 |
commit | 564fb7d9fa80d06397a88d69f26439727cb922c5 (patch) | |
tree | b6944bacbc3f4d8cbac9d886686572aa6fdbbe8c /doc/manual/Makefile.am | |
parent | ed59bf7a181bb382dea7dd72da52bf91f60deb8d (diff) |
optimiseStore(): Use a content-addressed file store in /nix/store/.links
optimiseStore() now creates persistent, content-addressed hard links in /nix/store/.links. For instance, if it encounters a file P with hash H, it will create a hard link P' = /nix/store/.link/<H> to P if P' doesn't already exist; if P' exist, then P is replaced by a hard link to P'. This is better than the previous in-memory map, because it had the tendency to unnecessarily replace hard links with a hard link to whatever happened to be the first file with a given hash it encountered. It also allows on-the-fly, incremental optimisation.
Diffstat (limited to 'doc/manual/Makefile.am')
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