$base //= '';
my $f = $self->{filename} = "$dir/$base.sqlite3";
$self->{lock_path} = $opt->{lock_path} // "$dir/$base.flock";
- unless (-f $f) {
+ unless (-s $f) {
+ PublicInbox::Spawn::nodatacow_dir($dir); # for journal/shm/wal
open my $fh, '+>>', $f or die "failed to open $f: $!";
PublicInbox::Spawn::nodatacow_fd(fileno($fh));
}