$jobs = 4 if $jobs > 4; # same default as V2Writable
my ($op_c, $ops) = $lei->workers_start($wq, $jobs);
$lei->wait_wq_events($op_c, $ops);
$jobs = 4 if $jobs > 4; # same default as V2Writable
my ($op_c, $ops) = $lei->workers_start($wq, $jobs);
$lei->wait_wq_events($op_c, $ops);