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authorChristopher Baines <mail@cbaines.net>2024-03-25 20:06:24 +0000
committerChristopher Baines <mail@cbaines.net>2024-03-25 20:40:22 +0000
commitb538c1d7b95587d3f111a7bb610747e93c5f2468 (patch)
treeb5fc922ae6603b8e79084b7efc038b40f182e462 /doc
parent9b399add9861bd608c6344313a090eadaec0fa55 (diff)
services: nar-herder: Add new configuration options.
* gnu/services/guix.scm (nar-herder-configuration-new-ttl, nar-herder-cached-compression-configuration-unused-removal-duration, nar-herder-cached-compression-configuration-ttl, nar-herder-cached-compression-configuration-new-ttl): New procedure. (nar-herder-shepherd-services): Handle the new options. * doc/guix.texi (Guix Services): Document the new nar-herder options. Change-Id: I161e490221a3ce394e32ada685dca27df60638bb
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi23
1 files changed, 23 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index eda4084e7f..ddd98a5fd4 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -39670,6 +39670,14 @@ days, @code{1m} means 1 month, and so on.
This allows the user's Guix to keep substitute information in cache for
@var{ttl}.
+@item @code{new-ttl} (default: @code{#f})
+If specified, this will override the @code{ttl} setting when used for
+the @code{Cache-Control} headers, but this value will be used when
+scheduling the removal of nars.
+
+Use this setting when the TTL is being reduced to avoid removing nars
+while clients still have cached narinfos.
+
@item @code{negative-ttl} (default: @code{#f})
Similarly produce @code{Cache-Control} HTTP headers to advertise the
time-to-live (TTL) of @emph{negative} lookups---missing store items, for
@@ -39719,6 +39727,21 @@ in /var/cache/nar-herder/nar/TYPE.
@item @code{directory-max-size} (default: @code{#f})
Maximum size in bytes of the directory.
+@item @code{unused-removal-duration} (default: @code{#f})
+If a cached nar isn't used for @code{unused-removal-duration}, it will
+be scheduled for removal.
+
+@var{unused-removal-duration} must denote a duration: @code{5d} means 5
+days, @code{1m} means 1 month, and so on.
+
+@item @code{ttl} (default: @code{#f})
+If specified this overrides the @code{ttl} used for narinfos when this
+cached compression is available.
+
+@item @code{new-ttl} (default: @code{#f})
+As with the @code{new-ttl} option for @code{nar-herder-configuration},
+this value will override the @code{ttl} when used for narinfo requests.
+
@end table
@end deftp