Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Every raw client getter invocation produced new connection, that lead to connection leak. Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Add group-address `Client` implementation. Return instances of this implementation from `ClientCache.Get` method. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>