diff options
Diffstat (limited to 'doc/manual/command-ref')
| -rw-r--r-- | doc/manual/command-ref/conf-file.xml | 54 |
1 files changed, 29 insertions, 25 deletions
diff --git a/doc/manual/command-ref/conf-file.xml b/doc/manual/command-ref/conf-file.xml index 1033d385e79d..a4d411d7075b 100644 --- a/doc/manual/command-ref/conf-file.xml +++ b/doc/manual/command-ref/conf-file.xml @@ -456,6 +456,18 @@ builtins.fetchurl { </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 substituter 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-netrc-file"><term><literal>netrc-file</literal></term> @@ -511,6 +523,23 @@ password <replaceable>my-password</replaceable> </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 substituter, the result of the query will be cached + in the local disk cache database including some of the NAR + metadata. The default TTL is a month, setting a shorter TTL for + positive lookups can be useful for binary caches that have + frequent garbage collection, in which case having a more frequent + cache invalidation would prevent trying to pull the path again and + failing with a hash mismatch if the build isn't reproducible. + </para> + + </listitem> + + </varlistentry> <varlistentry xml:id="conf-pre-build-hook"><term><literal>pre-build-hook</literal></term> @@ -788,31 +817,6 @@ 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> </para> |