view: purge email address cache after rendering thread

We cannot allow memory in the cache to grow at an unbounded
rate in between HTTP requests.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 116f36e7..6aa199e6 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -157,6 +157,7 @@ sub emit_thread_html {
                 my $git = PublicInbox::GitCatFile->new($ctx->{git_dir});
                 thread_entry($fh, $git, $state, $_, 0) for $th->rootset;
         }
+        Email::Address->purge_cache;
         my $final_anchor = $state->{anchor_idx};
         my $next = "<a\nid=\"s$final_anchor\">";
         $next .= $final_anchor == 1 ? 'only message in' : 'end of';