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authorEfraim Flashner <efraim@flashner.co.il>2022-10-19 12:19:04 +0300
committerEfraim Flashner <efraim@flashner.co.il>2022-11-06 14:02:08 +0200
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parent2bf8146e311694ff8cdce9f0b1e638374682012a (diff)
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guix gc: Add '--vacuum-database'.
* guix/scripts/gc.scm (show-help, %options): Add '--vacuum-database'. * guix/store/database.scm (vacuum-database): New procedure. * doc/guix.texi (Invoking guix gc): Document the option.
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@@ -4531,6 +4531,18 @@ import, unless it was started with @option{--disable-deduplication}
this option is primarily useful when the daemon was running with
@option{--disable-deduplication}.
+@item --vacuum-database
+@cindex vacuum the store database
+@comment Avoid words like 'repair,' 'compress,' and 'optimize.'
+Guix uses an sqlite database to keep track of the items in (@pxref{The Store}).
+Over time it is possible that the database may grow to a large size and become
+fragmented. As a result, one may wish to clear the freed space and join the
+partially used pages in the database left behind from removed packages or after
+running the garbage collector. Running @command{sudo guix gc
+--vacuum-database} will lock the database and @code{VACUUM} the store,
+defragmenting the database and purging freed pages, unlocking the database when
+it finishes.
+
@end table
@node Invoking guix pull