searchidx: warn about vivifying multiple ghosts

This should help us detect bugs sooner in case we have
space waste problems.

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index 7ac16ec283bf6c059c2f7ac14a12706da5f6f319..446cfb0d50afd8be723a24c4f6f5751de80ba548 100644 (file)
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -561,6 +561,10 @@ sub link_and_save {
                        1;
                });
        }
+       if ($vivified > 1) {
+               my $id = '<'.join('> <', @$mids).'>';
+               warn "BUG: vivified multiple ($vivified) ghosts for $id\n";
+       }
        # not really important, but we return any vivified ghost docid, here:
        return $doc_id if defined $doc_id;
        link_doc($self, $doc, $refs, $old_tid);