diff options
| -rw-r--r-- | doc/manual/command-ref/conf-file.xml | 24 | ||||
| -rw-r--r-- | src/libstore/globals.hh | 14 |
2 files changed, 32 insertions, 6 deletions
diff --git a/doc/manual/command-ref/conf-file.xml b/doc/manual/command-ref/conf-file.xml index 6638bf61e454..1033d385e79d 100644 --- a/doc/manual/command-ref/conf-file.xml +++ b/doc/manual/command-ref/conf-file.xml @@ -788,6 +788,30 @@ password <replaceable>my-password</replaceable> </varlistentry> + <varlistentry xml:id="conf-negative-disk-cache-ttl"><term><literal>negative-disk-cache-ttl</literal></term> + + <listitem> + + <para>The TTL in seconds for negative lookups. If a store path is queried from a substituer but + was not found, there will be a negative lookup cached in the local disk cache database for the specified + duration.</para> + + </listitem> + + </varlistentry> + + <varlistentry xml:id="conf-positive-disk-cache-ttl"><term><literal>positive-disk-cache-ttl</literal></term> + + <listitem> + + <para>The TTL in seconds for positive lookups. If a store path is queried from a substituer, the result of + the query will be cached in the local disk cache database including some of the NAR metadata. Setting a TTL + for positive lookups can be useful in case of builds that aren't reproducible, in which case having a more + frequent cache invalidation would prevent hash mismatch issues.</para> + + </listitem> + + </varlistentry> </variablelist> diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh index 36c8b7357904..00147f615f49 100644 --- a/src/libstore/globals.hh +++ b/src/libstore/globals.hh @@ -310,15 +310,17 @@ public: "Disabled substituters that may be enabled via the substituters option by untrusted users.", {"trusted-binary-caches"}}; - Setting<int> ttlNegativeDiskCache{this, 3600, "negative-disk-cache-ttl", - "The TTL in seconds for negative lookups in the disk cache."}; - - Setting<int> ttlPositiveDiskCache{this, 30 * 24 * 3600, "positive-disk-cache-ttl", - "The TTL in seconds for positive lookups in the disk cache."}; - Setting<Strings> trustedUsers{this, {"root"}, "trusted-users", "Which users or groups are trusted to ask the daemon to do unsafe things."}; + Setting<unsigned int> ttlNegativeDiskCache{this, 3600, "negative-disk-cache-ttl", + "The TTL in seconds for negative lookups in the disk cache i.e binary cache lookups that " + "return an invalid path result"}; + + Setting<unsigned int> ttlPositiveDiskCache{this, 30 * 24 * 3600, "positive-disk-cache-ttl", + "The TTL in seconds for positive lookups in the disk cache i.e binary cache lookups that " + "return a valid path result."}; + /* ?Who we trust to use the daemon in safe ways */ Setting<Strings> allowedUsers{this, {"*"}, "allowed-users", "Which users or groups are allowed to connect to the daemon."}; |