daemon: do more immortal allocations up front

Doing immortal allocations late can cause those allocations
to end up in places where it fragments the heap.  So do more
things up front for long-lived daemons.

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/PublicInbox/NNTPD.pm b/lib/PublicInbox/NNTPD.pm
index 7a917169..451f4d41 100644
--- a/lib/PublicInbox/NNTPD.pm
+++ b/lib/PublicInbox/NNTPD.pm
@@ -45,6 +45,10 @@ sub refresh_groups () {
                         # Only valid if msgmap and search works
                         $new->{$ngname} = $ng;
                         push @list, $ng;
+
+                        # preload to avoid fragmentation:
+                        $ng->description;
+                        $ng->base_url;
                 }
         });
         @list =        sort { $a->{newsgroup} cmp $b->{newsgroup} } @list;