Calling PublicInbox::Admin::index_prepare is required for
--batch-size (k|m|g) modifiiers and indexBatchSize in the config
file. Otherwise, the default 1m batch size stuck and led
to unexpectedly bad performance on a machine which could index
v2 inboxes faster with larger batch sizes.
my @ibxs = PublicInbox::Admin::resolve_inboxes(\@ARGV, $opt, $cfg);
PublicInbox::Admin::require_or_die(qw(-search));
PublicInbox::Admin::progress_prepare($opt);
+my $env = PublicInbox::Admin::index_prepare($opt, $cfg);
+local %ENV = (%ENV, %$env) if $env;
require PublicInbox::ExtSearchIdx;
my $eidx = PublicInbox::ExtSearchIdx->new($eidx_dir, $opt);
$eidx->attach_inbox($_) for @ibxs;