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首頁 云原生多模數(shù)據(jù)庫 Lindorm 操作指南 時序引擎 性能白皮書 查詢測試結(jié)果

查詢測試結(jié)果

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本章節(jié)介紹查詢測試的結(jié)果對比。本測試是在發(fā)揮數(shù)據(jù)最佳性能，并在沒有任何數(shù)據(jù)寫入的情況下測得的結(jié)果。在不同時間線規(guī)模的業(yè)務(wù)場景，或同時存在大量寫入的場景下，或查詢掃描的時間線和時間點更多時，查詢性能可能會下降，建議在使用前結(jié)合自己的業(yè)務(wù)場景進行測試評估，本測試結(jié)果僅供參考。

查詢的基礎(chǔ)數(shù)據(jù)量

  • 設(shè)備數(shù)100

  • 每個設(shè)備每10秒上報101個測量值

  • 共上報1天的數(shù)據(jù)

查詢樣例

分別測試多種查詢，queryType表示查詢類型，分別介紹如下

  • 1-host-1-hr-raw: 查詢1個小時數(shù)據(jù)，1個設(shè)備，查找所有的cpu.usage_user的值

select time, usage_user from cpu where (hostname = 'host_17') and time >=1514837782646 and time < 1514841382646 ;

  • 1-host-1-hr: 查詢1個小時數(shù)據(jù)，1個設(shè)備，查找每分鐘cpu.usage_user的最大值

select time, max(usage_user) as max_usage_user from cpu where (hostname = 'host_17') and time >=1514837782646 and time < 1514841382646 sample by 1m

  • 1-host-12-hr-raw: 查詢12個小時數(shù)據(jù)，1個設(shè)備，查找所有的cpu.usage_user的值

select time, usage_user from cpu where (hostname = 'host_0') and time >=1514787382646 and time < 1514830582646;

  • 1-host-12-hr: 查詢12小時數(shù)據(jù)，1個設(shè)備，查找每分鐘cpu.usage_user的最大值

select time, max(usage_user) as max_usage_user from cpu where (hostname = 'host_0') and time >=1514787382646 and time < 1514830582646 sample by 1m ;

  • 1-host-latest: 隨機查找1個設(shè)備的cpu.usage_user的最新值 

select  time, latest(usage_user) as latest_usage_user from cpu where (hostname = 'host_50') sample by 0

  • 8-host-latest: 隨機查找8個設(shè)備的cpu.usage_user的最新值

select  time, latest(usage_user) as latest_usage_user from cpu where (hostname = 'host_64' or hostname = 'host_80' or hostname = 'host_21' or hostname = 'host_5' or hostname = 'host_79' or hostname = 'host_47' or hostname = 'host_25' or hostname = 'host_18') sample by 0

測試性能指標說明

介紹該測試中查詢的性能指標。

  • queryType： 參考上一節(jié)查詢樣例中的介紹

  • worker：查詢的并發(fā)數(shù)量

  • qps：每秒執(zhí)行完成的查詢SQL數(shù)量

  • max_cpu: CPU的峰值百分比

  • max_mem: 內(nèi)存的峰值百分比

測試結(jié)果

重要

下述查詢的性能測試結(jié)果均是在時序引擎無其他工作負載的情況下單獨測得。

圖 1. 并發(fā)為200的情況下，各個規(guī)格的3種查詢下的QPS

圖片 2

表 1. 集群1（4核16GB * 3節(jié)點）

queryType

worker

qps

max_cpu

max_mem

1-host-1-hr

16

1,420.96

86.95

48.08

1-host-1-hr

50

1,865.50

83.45

49.32

1-host-1-hr

100

1,887.00

81.71

48.95

1-host-1-hr

200

1,846.00

82.99

48.87

1-host-1-hr-raw

16

1,324.80

79.54

50.34

1-host-1-hr-raw

50

1,722.00

86.42

50.96

1-host-1-hr-raw

100

1,737.00

86.36

50.92

1-host-1-hr-raw

200

1,752.00

87.09

50.88

1-host-12-hr

16

497.44

86.77

48.81

1-host-12-hr

50

555.00

95.05

48.81

1-host-12-hr

100

571.00

94.97

48.90

1-host-12-hr

200

584.00

94.77

49.11

1-host-12-hr-raw

16

286.56

82.20

51.04

1-host-12-hr-raw

50

328.00

95.34

51.14

1-host-12-hr-raw

100

330.00

96.51

51.21

1-host-12-hr-raw

200

334.00

96.70

51.56

1-host-latest

16

1,025.12

81.79

49.34

1-host-latest

50

1,146.00

93.36

49.42

1-host-latest

100

1,144.00

92.41

49.36

1-host-latest

200

1,164.00

92.89

49.44

8-host-latest

16

175.20

96.65

49.64

8-host-latest

50

180.00

97.01

49.95

8-host-latest

100

181.00

96.59

50.05

8-host-latest

200

182.00

96.73

50.15

表 2. 集群2（8核32GB * 3節(jié)點）

queryType

worker

qps

max_cpu

max_mem

1-host-1-hr

16

2,426.56

79.45

31.83

1-host-1-hr

50

3,363.50

71.58

33.50

1-host-1-hr

100

3,530.00

73.80

35.44

1-host-1-hr

200

3,584.00

70.12

35.43

1-host-1-hr-raw

16

2,181.92

52.67

36.10

1-host-1-hr-raw

50

3,231.50

69.77

36.20

1-host-1-hr-raw

100

3,371.00

72.88

36.19

1-host-1-hr-raw

200

3,348.00

69.80

35.08

1-host-12-hr

16

877.44

59.57

35.66

1-host-12-hr

50

1,132.50

82.37

35.51

1-host-12-hr

100

1,145.00

84.10

35.55

1-host-12-hr

200

1,152.00

84.69

35.62

1-host-12-hr-raw

16

445.44

58.55

35.29

1-host-12-hr-raw

50

641.00

84.98

35.31

1-host-12-hr-raw

100

668.00

90.79

35.35

1-host-12-hr-raw

200

670.00

91.98

35.42

1-host-latest

16

1,785.44

51.20

35.80

1-host-latest

50

2,273.50

64.86

35.92

1-host-latest

100

2,280.00

64.97

35.82

1-host-latest

200

2,284.00

65.01

35.85

8-host-latest

16

439.04

85.04

35.98

8-host-latest

50

471.50

91.71

36.00

8-host-latest

100

472.00

92.42

36.08

8-host-latest

200

470.00

93.10

36.09

表 3. 集群3（16核64GB * 3節(jié)點）

queryType

worker

qps

max_cpu

max_mem

1-host-1-hr

16

3,287.84

49.77

25.83

1-host-1-hr

50

6,543.50

56.06

26.45

1-host-1-hr

100

7,713.00

59.81

26.48

1-host-1-hr

200

8,902.00

75.23

26.47

1-host-1-hr-raw

16

2,857.60

32.42

26.89

1-host-1-hr-raw

50

5,173.00

50.44

26.96

1-host-1-hr-raw

100

6,177.00

56.88

26.95

1-host-1-hr-raw

200

6,530.00

59.20

26.98

1-host-12-hr

16

1,148.48

38.69

26.52

1-host-12-hr

50

1,920.50

71.18

26.57

1-host-12-hr

100

2,181.00

82.79

26.62

1-host-12-hr

200

2,398.00

91.44

26.64

1-host-12-hr-raw

16

539.20

33.78

27.04

1-host-12-hr-raw

50

704.50

46.87

27.12

1-host-12-hr-raw

100

612.00

41.76

27.17

1-host-12-hr-raw

200

694.00

46.89

27.24

1-host-latest

16

2,141.60

40.24

26.69

1-host-latest

50

3,602.00

77.84

26.69

1-host-latest

100

4,098.00

91.87

26.72

1-host-latest

200

4,356.00

94.94

26.71

8-host-latest

16

541.28

81.87

26.77

8-host-latest

50

599.50

97.52

26.77

8-host-latest

100

648.00

97.85

26.88

8-host-latest

200

832.00

97.40

26.94

表 4. 集群4（32核128GB * 3節(jié)點）

queryType

worker

qps

max_cpu

max_mem

1-host-1-hr

16

3,543.04

24.25

28.33

1-host-1-hr

50

9,351.00

34.14

28.89

1-host-1-hr

100

12,567.00

46.42

28.92

1-host-1-hr

200

15,072.00

57.27

28.94

1-host-1-hr-raw

16

2,811.20

15.41

29.11

1-host-1-hr-raw

50

6,086.50

27.85

29.13

1-host-1-hr-raw

100

7,881.00

36.44

29.14

1-host-1-hr-raw

200

8,762.00

40.97

29.17

1-host-12-hr

16

1,394.24

18.85

28.91

1-host-12-hr

50

3,317.50

49.89

28.96

1-host-12-hr

100

4,160.00

67.13

28.96

1-host-12-hr

200

4,808.00

79.02

28.96

1-host-12-hr-raw

16

542.56

17.31

29.22

1-host-12-hr-raw

50

826.50

24.96

29.24

1-host-12-hr-raw

100

669.00

23.55

29.28

1-host-12-hr-raw

200

772.00

24.86

29.32

1-host-latest

16

2,600.00

16.04

28.97

1-host-latest

50

6,590.00

46.11

28.98

1-host-latest

100

8,516.00

65.60

28.99

1-host-latest

200

9,634.00

75.93

28.98

8-host-latest

16

949.12

55.91

29.03

8-host-latest

50

1,525.50

83.49

29.04

8-host-latest

100

1,710.00

93.16

29.06

8-host-latest

200

1,758.00

95.54

29.09