aboutsummaryrefslogtreecommitdiff
path: root/doc/manual/env-common.xml
diff options
context:
space:
mode:
Diffstat (limited to 'doc/manual/env-common.xml')
-rw-r--r--doc/manual/env-common.xml11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/manual/env-common.xml b/doc/manual/env-common.xml
index d67ef714d..99acc5949 100644
--- a/doc/manual/env-common.xml
+++ b/doc/manual/env-common.xml
@@ -271,6 +271,17 @@ $ mount -o bind /mnt/otherdisk/nix /nix</screen>
</varlistentry>
+
+<varlistentry><term><envar>GC_INITIAL_HEAP_SIZE</envar></term>
+
+ <listitem><para>If Nix has been configured to use the Boehm garbage
+ collector, this variable sets the initial size of the heap in bytes.
+ It defaults to 384 MiB. Setting it to a low value reduces memory
+ consumption, but will increase runtime due to the overhead of
+ garbage collection.</para></listitem>
+
+</varlistentry>
+
</variablelist>