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Instance Specifications

Updated on 2025-01-24 GMT+08:00

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

96,000

250

4

40

1,000

5,000

geminidb.influxdb.xlarge.4

geminidb.influxdb.analysis.xlarge.4

4

16

100

96,000

500

16

40

2,000

20,000

geminidb.influxdb.2xlarge.4

geminidb.influxdb.analysis.2xlarge.4

8

32

100

96,000

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 GeminiDB Influx single-node 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

Table 3 Specifications of a GeminiDB Influx cluster (performance-enhanced) instance

Specification

Number of 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

geminidb.influxdb.sqlstore.large.4

2

8

100

96,000

250

4

40

geminidb.influxdb.sqlstore.xlarge.4

4

16

100

96,000

500

16

40

geminidb.influxdb.sqlstore.2xlarge.4

8

32

100

96,000

1,000

64

80

geminidb.influxdb.sqlstore.4xlarge.4

16

64

100

96,000

2,000

256

160

geminidb.influxdb.sqlstore.8xlarge.4

32

128

100

30,000

4,000

1,024

320

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.

A GeminiDB Influx single-node instance (including read replicas) is deployed on a single server. Therefore, SLA cannot be guaranteed. You are advised to use it for testing and function verification. When the timeline scale exceeds twice the time series scale supported by a single node, data cannot be written to the single-node instance.

Table 4 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

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