Rally Load Testing

We used the official Elasticsearch benchmark tool, rally, to test the Elasticsearch cluster (V5.5.1) in the North China Region Available Area B, and the test results are as follows:

8 cores 16G 3 nodes

Metric	Operation	Value	Unit
Indexing time		31.7303	min
Merge time		9.5995	min
Refresh time		1.93053	min
Flush time		0.0881167	min
Merge throttle time		1.54493	min
Total Young Gen GC		58.079	s
Total Old Gen GC		0.196	s
Heap used for segments		18.3168	MB
Heap used for doc values		0.103638	MB
Heap used for terms		17.1259	MB
Heap used for norms		0.0717773	MB
Heap used for points		0.217482	MB
Heap used for stored fields		0.797966	MB
Segment count		94
Min Throughput	index-stats	100.045	ops/s
Median Throughput	index-stats	100.068	ops/s
Max Throughput	index-stats	100.125	ops/s
50th percentile latency	index-stats	3.61395	ms
90th percentile latency	index-stats	4.04719	ms
99th percentile latency	index-stats	4.96298	ms
99.9th percentile latency	index-stats	16.8928	ms
100th percentile latency	index-stats	23.5338	ms
Min Throughput	node-stats	100.031	ops/s
Median Throughput	node-stats	100.09	ops/s
Max Throughput	node-stats	100.506	ops/s
50th percentile latency	node-stats	4.48539	ms
90th percentile latency	node-stats	5.0753	ms
99th percentile latency	node-stats	7.10029	ms
99.9th percentile latency	node-stats	17.5065	ms
100th percentile latency	node-stats	23.1605	ms
Min Throughput	default	49.9519	ops/s
Median Throughput	default	50.013	ops/s
Max Throughput	default	50.0216	ops/s
50th percentile latency	default	15.2663	ms
90th percentile latency	default	16.0737	ms
99th percentile latency	default	18.9459	ms
99.9th percentile latency	default	40.3196	ms
100th percentile latency	default	45.0553	ms
Min Throughput	term	200.063	ops/s
Median Throughput	term	200.091	ops/s
Max Throughput	term	200.174	ops/s
50th percentile latency	term	2.59966	ms
90th percentile latency	term	3.12504	ms
99th percentile latency	term	31.4645	ms
99.9th percentile latency	term	43.7732	ms
100th percentile latency	term	45.5124	ms
Min Throughput	phrase	200.03	ops/s
Median Throughput	phrase	200.049	ops/s
Max Throughput	phrase	200.075	ops/s
50th percentile latency	phrase	3.88241	ms
90th percentile latency	phrase	5.3865	ms
99th percentile latency	phrase	44.4824	ms
99.9th percentile latency	phrase	54.733	ms
100th percentile latency	phrase	55.2758	ms
Min Throughput	country_agg_uncached	2.75134	ops/s
Median Throughput	country_agg_uncached	2.76574	ops/s
Max Throughput	country_agg_uncached	2.8003	ops/s
50th percentile latency	country_agg_uncached	162393	ms
90th percentile latency	country_agg_uncached	222884	ms
99th percentile latency	country_agg_uncached	234288	ms
99.9th percentile latency	country_agg_uncached	235730	ms
100th percentile latency	country_agg_uncached	235940	ms
Min Throughput	country_agg_cached	100.051	ops/s
Median Throughput	country_agg_cached	100.073	ops/s
Max Throughput	country_agg_cached	100.138	ops/s
50th percentile latency	country_agg_cached	2.87947	ms
90th percentile latency	country_agg_cached	3.31356	ms
99th percentile latency	country_agg_cached	6.88291	ms
99.9th percentile latency	country_agg_cached	30.7471	ms
100th percentile latency	country_agg_cached	37.4828	ms
Min Throughput	scroll	35.6468	ops/s
Median Throughput	scroll	35.81	ops/s
Max Throughput	scroll	35.8374	ops/s
50th percentile latency	scroll	296588	ms
90th percentile latency	scroll	427849	ms
99th percentile latency	scroll	457200	ms
100th percentile latency	scroll	460396	ms
Min Throughput	expression	1.28785	ops/s
Median Throughput	expression	1.31216	ops/s
Max Throughput	expression	1.31935	ops/s
50th percentile latency	expression	78301.4	ms
90th percentile latency	expression	99426.7	ms
99th percentile latency	expression	103425	ms
100th percentile latency	expression	103679	ms

2 cores 8G 3 nodes

Metric	Operation	Value	Unit
Indexing time		43.8383	min
Merge time		22.5664	min
Refresh time		9.2856	min
Flush time		0.0502833	min
Merge throttle time		2.30762	min
Total Young Gen GC		418.967	s
Total Old Gen GC		3.078	s
Heap used for segments		17.7271	MB
Heap used for doc values		0.102936	MB
Heap used for terms		16.5306	MB
Heap used for norms		0.071167	MB
Heap used for points		0.209009	MB
Heap used for stored fields		0.813393	MB
Segment count		96
Min Throughput	index-stats	100.035	ops/s
Median Throughput	index-stats	100.064	ops/s
Max Throughput	index-stats	100.099	ops/s
50th percentile latency	index-stats	3.98357	ms
90th percentile latency	index-stats	5.42446	ms
99th percentile latency	index-stats	17.3357	ms
99.9th percentile latency	index-stats	38.0944	ms
100th percentile latency	index-stats	44.4198	ms
Min Throughput	node-stats	100.011	ops/s
Median Throughput	node-stats	100.089	ops/s
Max Throughput	node-stats	100.539	ops/s
50th percentile latency	node-stats	4.45035	ms
90th percentile latency	node-stats	6.89122	ms
99th percentile latency	node-stats	19.1262	ms
99.9th percentile latency	node-stats	39.2981	ms
100th percentile latency	node-stats	44.4663	ms
Min Throughput	default	25.5403	ops/s
Median Throughput	default	26.1976	ops/s
Max Throughput	default	28.0422	ops/s
50th percentile latency	default	18200.4	ms
90th percentile latency	default	26643.4	ms
99th percentile latency	default	28551	ms
99.9th percentile latency	default	28734.5	ms
100th percentile latency	default	28751.2	ms
Min Throughput	term	198.796	ops/s
Median Throughput	term	200.081	ops/s
Max Throughput	term	200.118	ops/s
50th percentile latency	term	2.69169	ms
90th percentile latency	term	15.5542	ms
99th percentile latency	term	52.1687	ms
99.9th percentile latency	term	62.2191	ms
100th percentile latency	term	63.3586	ms
Min Throughput	phrase	196.082	ops/s
Median Throughput	phrase	200.032	ops/s
Max Throughput	phrase	200.049	ops/s
50th percentile latency	phrase	4.70513	ms
90th percentile latency	phrase	41.5631	ms
99th percentile latency	phrase	61.2904	ms
99.9th percentile latency	phrase	64.1431	ms
100th percentile latency	phrase	64.8171	ms
Min Throughput	country_agg_uncached	2.53125	ops/s
Median Throughput	country_agg_uncached	2.55542	ops/s
Max Throughput	country_agg_uncached	2.56809	ops/s
50th percentile latency	country_agg_uncached	191703	ms
90th percentile latency	country_agg_uncached	265937	ms
99th percentile latency	country_agg_uncached	282614	ms
99.9th percentile latency	country_agg_uncached	284102	ms
100th percentile latency	country_agg_uncached	284297	ms
Min Throughput	country_agg_cached	100.046	ops/s
Median Throughput	country_agg_cached	100.072	ops/s
Max Throughput	country_agg_cached	100.134	ops/s
50th percentile latency	country_agg_cached	3.24472	ms
90th percentile latency	country_agg_cached	4.16849	ms
99th percentile latency	country_agg_cached	25.1214	ms
99.9th percentile latency	country_agg_cached	43.7322	ms
100th percentile latency	country_agg_cached	50.3143	ms
Min Throughput	scroll	31.3553	ops/s
Median Throughput	scroll	31.6427	ops/s
Max Throughput	scroll	31.7946	ops/s
50th percentile latency	scroll	337930	ms
90th percentile latency	scroll	485487	ms
99th percentile latency	scroll	518748	ms
100th percentile latency	scroll	522454	ms
Min Throughput	expression	1.09803	ops/s
Median Throughput	expression	1.11245	ops/s
Max Throughput	expression	1.11853	ops/s
50th percentile latency	expression	120302	ms
90th percentile latency	expression	150630	ms
99th percentile latency	expression	157380	ms
100th percentile latency	expression	158111	ms

4 cores 8G 3 nodes

Metric	Operation	Value	Unit
Indexing time		30.2766	min
Merge time		11.1005	min
Refresh time		3.1837	min
Flush time		0.0554	min
Merge throttle time		1.49132	min
Total Young Gen GC		87.16	s
Total Old Gen GC		2.738	s
Heap used for segments		17.9447	MB
Heap used for doc values		0.0973434	MB
Heap used for terms		16.7564	MB
Heap used for norms		0.0637817	MB
Heap used for points		0.220229	MB
Heap used for stored fields		0.806961	MB
Segment count		84
Min Throughput	index-stats	99.9043	ops/s
Median Throughput	index-stats	100.055	ops/s
Max Throughput	index-stats	100.111	ops/s
50th percentile latency	index-stats	4.31123	ms
90th percentile latency	index-stats	5.01966	ms
99th percentile latency	index-stats	6.73182	ms
99.9th percentile latency	index-stats	16.3152	ms
100th percentile latency	index-stats	16.7211	ms
Min Throughput	node-stats	99.9997	ops/s
Median Throughput	node-stats	100.068	ops/s
Max Throughput	node-stats	100.441	ops/s
50th percentile latency	node-stats	5.41895	ms
90th percentile latency	node-stats	6.62956	ms
99th percentile latency	node-stats	10.4876	ms
99.9th percentile latency	node-stats	16.8256	ms
100th percentile latency	node-stats	24.6469	ms
Min Throughput	default	49.9808	ops/s
Median Throughput	default	50.016	ops/s
Max Throughput	default	50.0348	ops/s
50th percentile latency	default	14.0526	ms
90th percentile latency	default	16.2503	ms
99th percentile latency	default	21.8674	ms
99.9th percentile latency	default	29.5538	ms
100th percentile latency	default	31.5155	ms
Min Throughput	term	199.745	ops/s
Median Throughput	term	200.06	ops/s
Max Throughput	term	200.087	ops/s
50th percentile latency	term	3.06953	ms
90th percentile latency	term	4.04719	ms
99th percentile latency	term	24.0726	ms
99.9th percentile latency	term	37.8865	ms
100th percentile latency	term	38.5456	ms
Min Throughput	phrase	199.35	ops/s
Median Throughput	phrase	199.992	ops/s
Max Throughput	phrase	200.071	ops/s
50th percentile latency	phrase	4.59871	ms
90th percentile latency	phrase	22.3203	ms
99th percentile latency	phrase	48.3212	ms
99.9th percentile latency	phrase	52.8152	ms
100th percentile latency	phrase	52.8472	ms
Min Throughput	country_agg_uncached	4.49216	ops/s
Median Throughput	country_agg_uncached	4.67822	ops/s
Max Throughput	country_agg_uncached	4.7315	ops/s
50th percentile latency	country_agg_uncached	14575.8	ms
90th percentile latency	country_agg_uncached	17213.5	ms
99th percentile latency	country_agg_uncached	18765.9	ms
99.9th percentile latency	country_agg_uncached	18810.1	ms
100th percentile latency	country_agg_uncached	18813.6	ms
Min Throughput	country_agg_cached	100.046	ops/s
Median Throughput	country_agg_cached	100.06	ops/s
Max Throughput	country_agg_cached	100.129	ops/s
50th percentile latency	country_agg_cached	3.49425	ms
90th percentile latency	country_agg_cached	4.68459	ms
99th percentile latency	country_agg_cached	6.65144	ms
99.9th percentile latency	country_agg_cached	17.7776	ms
100th percentile latency	country_agg_cached	24.6469	ms
Min Throughput	scroll	32.6045	ops/s
Median Throughput	scroll	32.725	ops/s
Max Throughput	scroll	32.7822	ops/s
50th percentile latency	scroll	326129	ms
90th percentile latency	scroll	470066	ms
99th percentile latency	scroll	502268	ms
100th percentile latency	scroll	505901	ms
Min Throughput	expression	1.89188	ops/s
Median Throughput	expression	1.90472	ops/s
Max Throughput	expression	1.94701	ops/s
50th percentile latency	expression	7336.16	ms
90th percentile latency	expression	8155.22	ms
99th percentile latency	expression	8272.59	ms
100th percentile latency	expression	8322.61	ms

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