deprecate: params=single-object preference #3141

Loadtest Results

param	v12.0.2	main	head
bytes_in.mean	1030.3505622052955	1030.1281745170393	1030.3523353905707
bytes_in.total	28406765	28474803	28214138
bytes_out.mean	3848.0806311207834	3848.775595108892	3848.0768359931344
bytes_out.total	106091583	106387855	105371888
duration	60002692121	60000722672	60000180666
errors.0	400 Bad Request	400 Bad Request	400 Bad Request
latencies.50th	934498	932642	942289
latencies.90th	2137949	2129761	2145197
latencies.95th	14160429	14094165	14270156
latencies.99th	14807978	14759709	15049368
latencies.max	25923098	24531738	25954677
latencies.mean	2175407	2169580	2190136
latencies.min	151040	154447	150179
latencies.total	59975975767	59971549152	59972503267
rate	459.4793837650316	460.69445115032664	456.3819591216162
requests	27570	27642	27383
status_codes.200	15039	15077	14937
status_codes.201	2506	2513	2489
status_codes.204	7518	7539	7467
status_codes.400	2507	2513	2490
success	0.9090678273485671	0.9090876202879671	0.9090676697220901
throughput	417.6920038682599	418.8044158487548	414.87574948069334
wait	850604	1032441	916123