Updated on 2023-11-21 GMT+08:00

Instance Specifications

Instances of the same type can have different memory specifications. You can select instances of different specifications based on application scenarios.

This section describes the instance specifications supported by GeminiDB Influx. The instance specifications depend on the selected CPU model.

Table 1 GeminiDB Influx cluster instance specifications

Data Node Flavor

Analysis Node Flavor

vCPUs

Memory (GB)

Min. Storage Space (GB)

Max. Storage Space (GB)

Default Maximum Connections per Node

Time Series per Node (unit: 10,000)

Max. RPs per Cluster

Maximum Fields per Query

Maximum Time Series per Query

geminidb.influxdb.large.4

geminidb.influxdb.analysis.large.4

2

8

100

12,000

500

4

40

1,000

5,000

geminidb.influxdb.xlarge.4

geminidb.influxdb.analysis.xlarge.4

4

16

100

24,000

500

16

40

2,000

20,000

geminidb.influxdb.2xlarge.4

geminidb.influxdb.analysis.2xlarge.4

8

32

100

48,000

1,000

64

80

4,000

80,000

geminidb.influxdb.4xlarge.4

geminidb.influxdb.analysis.4xlarge.4

16

64

100

96,000

2,000

256

160

8,000

320,000

geminidb.influxdb.8xlarge.4

geminidb.influxdb.analysis.8xlarge.4

32

128

100

192,000

4,000

1,024

320

16,000

1,280,000

Table 2 Specifications of single-node GeminiDB Influx instances

Data Node Flavor

vCPUs

Memory (GB)

Min. Storage Space (GB)

Max. Storage Space (GB)

Default Maximum Connections per Node

Time Series per Node (unit: 10,000)

Max. RPs per Cluster

Maximum Fields per Query

Maximum Time Series per Query

geminidb.influxdb.single.xlarge.2

4

8

100

1,000

250

3

40

1,000

3,500

geminidb.influxdb.single.2xlarge.2

8

16

100

2,000

500

12

40

2,000

14,000

geminidb.influxdb.single.4xlarge.2

16

32

100

4,000

1,000

48

80

4,000

56,000

geminidb.influxdb.single.8xlarge.2

32

64

100

8,000

2,000

192

160

8,000

112,000

When the memory usage of a GeminiDB Influx instance node reaches:

  • 90% or higher, queries running the longest are killed and new queries are not allowed.
  • 80% or higher, new read and write requests are slowed down.
Table 3 Requests per second on nodes of different specifications and memory usages

Memory Usage (Unit: %)

2 vCPUs | 8 GB

4 vCPUs | 16 GB

8 vCPUs | 32 GB

16 vCPUs | 64 GB

32 vCPUs | 128 GB

-

Read

Write

Read

Write

Read

Write

Read

Write

Read

Write

80 ≤ Memory usage < 85

100

300

100

300

180

480

280

750

470

1200

85 ≤ Memory usage < 90

66

200

66

200

120

320

186

500

313

800

90 ≤ Memory usage < 95

50

150

50

150

90

240

140

375

235

600

95 ≤ Memory usage < 100

40

120

40

120

72

192

112

300

188

480