From 33c37bff6f653067da7386ebdec2c487d68fb454 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Fri, 21 Nov 2025 19:35:25 +0000
Subject: [PATCH] xcpdb: use DB_DANGEROUS for temporary Xapian DBs

New Xapian database shards are ideal candidates for the
DB_DANGEROUS flag since these shards aren't visible to
reader processes while they're being written to.
---
 lib/PublicInbox/Xapcmd.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/PublicInbox/Xapcmd.pm b/lib/PublicInbox/Xapcmd.pm
index 1f5826990..2cc48c8e2 100644
--- a/lib/PublicInbox/Xapcmd.pm
+++ b/lib/PublicInbox/Xapcmd.pm
@@ -472,6 +472,7 @@ sub xapian_write_prep ($) {
 	my $flag = eval($PublicInbox::Search::Xap.'::DB_CREATE()');
 	die if $@;
 	$flag |= $PublicInbox::SearchIdx::DB_NO_SYNC if !$opt->{fsync};
+	$flag |= $PublicInbox::SearchIdx::DB_DANGEROUS;
 	(\%PublicInbox::Search::X, $flag);
 }
 
-- 
2.47.3