To fine-tune read/write/delete load we need to have separate sleep
intervales for readers/writers/deleters.
The changes were originally authored by anatoly@nspcc.ru <anatoly@nspcc.ru>
Signed-off-by: Vladimir Domnich <v.domnich@yadro.com>
Registry module stores information about uploaded objects in bolt database and
allows to verify their validity after a load test.
Also, implemented logic to verify objects uploaded via gRPC and S3 protocols.
Signed-off-by: Vladimir Domnich <v.domnich@yadro.com>