From: Eric Wong <e@yhbt.net>
Date: Thu, 6 Aug 2020 10:37:10 +0000 (+0000)
Subject: msgmap: tmp_clone: use MEMORY journal upon reconnect
X-Git-Tag: v1.6.0~177
X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=commitdiff_plain;h=2bfbb5943abef7fb2d5db08f51cf498aecff3030

msgmap: tmp_clone: use MEMORY journal upon reconnect

Since reindexing releases the DB handle every indexBatchSize bytes,
we need to ensure we keep the journal in-memory when reopening
the DB since this is throwaway data.
---

diff --git a/lib/PublicInbox/Msgmap.pm b/lib/PublicInbox/Msgmap.pm
index c85e7796..eee8d6ca 100644
--- a/lib/PublicInbox/Msgmap.pm
+++ b/lib/PublicInbox/Msgmap.pm
@@ -248,6 +248,7 @@ sub atfork_parent {
 	$self->{dbh} and die 'BUG: tmp_clone dbh not prepared for parent';
 	defined($self->{filename}) or die 'BUG: {filename} not defined';
 	$self->{dbh} = PublicInbox::Over::dbh_new($self, 2);
+	$self->{dbh}->do('PRAGMA journal_mode = MEMORY');
 }
 
 sub atfork_prepare {