Redis 4.0 and 5.0 Instance Specifications
This section describes DCS Redis 4.0 and 5.0 instance specifications, including the total memory, available memory, maximum number of connections allowed, maximum/assured bandwidth, and reference performance.
The following metrics are related to the instance specifications:
- Used memory: You can check the memory usage of an instance by viewing the Memory Usage and Used Memory metrics.
- Maximum connections: The maximum number of connections allowed is the maximum number of clients that can be connected to an instance. To check the number of connections to an instance, view the Connected Clients metric.
- QPS represents queries per second, which is the number of commands processed per second.
- Bandwidth: You can view the Flow Control Times metric to check whether the bandwidth has exceeded the limit.
- Single-node, master/standby, and Redis Cluster types are available.
- Only the x86 architecture is supported. The Arm architecture is not supported.
Single-Node Instances
Total Memory (GB) |
Available Memory (GB) |
Max. Connections (Default/Limit) (Count) |
Assured/Maximum Bandwidth (Mbit/s) |
Reference Performance (QPS) |
Specification Code (spec_code in the API) |
|---|---|---|---|---|---|
1 |
1 |
10,000/50,000 |
80/80 |
80,000 |
x86: redis.single.xu1.large.1 Arm: redis.single.au1.large.1 |
2 |
2 |
10,000/50,000 |
128/128 |
80,000 |
x86: redis.single.xu1.large.2 Arm: redis.single.au1.large.2 |
4 |
4 |
10,000/50,000 |
192/192 |
80,000 |
x86: redis.single.xu1.large.4 Arm: redis.single.au1.large.4 |
8 |
8 |
10,000/50,000 |
192/192 |
100,000 |
x86: redis.single.xu1.large.8 Arm: redis.single.au1.large.8 |
16 |
16 |
10,000/50,000 |
256/256 |
100,000 |
x86: redis.single.xu1.large.16 Arm: redis.single.au1.large.16 |
24 |
24 |
10,000/50,000 |
256/256 |
100,000 |
x86: redis.single.xu1.large.24 Arm: redis.single.au1.large.24 |
32 |
32 |
10,000/50,000 |
256/256 |
100,000 |
x86: redis.single.xu1.large.32 Arm: redis.single.au1.large.32 |
48 |
48 |
10,000/50,000 |
256/256 |
100,000 |
x86: redis.single.xu1.large.48 Arm: redis.single.au1.large.48 |
64 |
64 |
10,000/50,000 |
384/384 |
100,000 |
x86: redis.single.xu1.large.64 Arm: redis.single.au1.large.64 |
Master/Standby Instances
The following table lists the x86 and Arm specification codes (spec_code) when there are two default replicas. Change the replica quantity in the specification codes based on the actual number of replicas. For example, if an 8 GB master/standby x86-based instance has two replicas, its specification code is redis.ha.xu1.large. r2.8. If it has three replicas, its specification code is redis.ha.xu1.large. r3.8.
Total Memory (GB) |
Available Memory (GB) |
Max. Connections (Default/Limit) (Count) |
Assured/Maximum Bandwidth (Mbit/s) |
Reference Performance (QPS) |
Specification Code (spec_code in the API) |
|---|---|---|---|---|---|
1 |
1 |
10,000/50,000 |
80/80 |
80,000 |
x86: redis.ha.xu1.large.r2.1 Arm: redis.ha.au1.large.r2.1 |
2 |
2 |
10,000/50,000 |
128/128 |
80,000 |
x86: redis.ha.xu1.large.r2.2 Arm: redis.ha.au1.large.r2.2 |
4 |
4 |
10,000/50,000 |
192/192 |
80,000 |
x86: redis.ha.xu1.large.r2.4 Arm: redis.ha.au1.large.r2.4 |
8 |
8 |
10,000/50,000 |
192/192 |
100,000 |
x86: redis.ha.xu1.large.r2.8 Arm: redis.ha.au1.large.r2.8 |
16 |
16 |
10,000/50,000 |
256/256 |
100,000 |
x86: redis.ha.xu1.large.r2.16 Arm: redis.ha.au1.large.r2.16 |
24 |
24 |
10,000/50,000 |
256/256 |
100,000 |
x86: redis.ha.xu1.large.r2.24 Arm: redis.ha.au1.large.r2.24 |
32 |
32 |
10,000/50,000 |
256/256 |
100,000 |
x86: redis.ha.xu1.large.r2.32 Arm: redis.ha.au1.large.r2.32 |
48 |
48 |
10,000/50,000 |
256/256 |
100,000 |
x86: redis.ha.xu1.large.r2.48 Arm: redis.ha.au1.large.r2.48 |
64 |
64 |
10,000/50,000 |
384/384 |
100,000 |
x86: redis.ha.xu1.large.r2.64 Arm: redis.ha.au1.large.r2.64 |
Redis Cluster Instances
In addition to larger memory, Redis Cluster instances feature more connections allowed, higher bandwidth allowed, and more QPS than single-node and master/standby instances.
The following table lists the x86 and Arm specification codes (spec_code) when there are two default replicas. Change the replica quantity in the specification codes based on the actual number of replicas. For example, if an 8 GB x86-based instance has two replicas, its specification code is redis.cluster.xu1.large.r2.8. If it has three replicas, its specification code is redis.cluster.xu1.large.r3.8.
Total Memory (GB) |
Available Memory (GB) |
Shards (Master Nodes) |
Max. Connections (Default/Limit) (Count) |
Assured/Maximum Bandwidth (Mbit/s) |
Reference Performance (QPS) |
Specification Code (spec_code in the API) |
|---|---|---|---|---|---|---|
4 |
4 |
3 |
30,000 /150,000 |
2304/2304 |
240,000 |
x86: redis.cluster.xu1.large.r2.4 Arm: redis.cluster.au1.large.r2.4 |
8 |
8 |
3 |
30,000 /150,000 |
2304/2304 |
240,000 |
x86: redis.cluster.xu1.large.r2.8 Arm: redis.cluster.au1.large.r2.8 |
16 |
16 |
3 |
30,000 /150,000 |
2304/2304 |
240,000 |
x86: redis.cluster.xu1.large.r2.16 Arm: redis.cluster.au1.large.r2.16 |
32 |
32 |
3 |
30,000 /150,000 |
2304/2304 |
300,000 |
x86: redis.cluster.xu1.large.r2.32 Arm: redis.cluster.au1.large.r2.32 |
64 |
64 |
8 |
80,000 /400,000 |
6144/6144 |
500,000 |
x86: redis.cluster.xu1.large.r2.64 Arm: redis.cluster.au1.large.r2.64 |
128 |
128 |
16 |
160,000 /800,000 |
12,288/12,288 |
1,000,000 |
x86: redis.cluster.xu1.large.r2.128 Arm: redis.cluster.au1.large.r2.128 |
256 |
256 |
32 |
320,000 /1,600,000 |
24,576/24,576 |
> 2,000,000 |
x86: redis.cluster.xu1.large.r2.256 Arm: redis.cluster.au1.large.r2.256 |
512 |
512 |
64 |
640,000 /3,200,000 |
49,152/49,152 |
> 2,000,000 |
x86: redis.cluster.xu1.large.r2.512 Arm: redis.cluster.au1.large.r2.512 |
1024 |
1024 |
128 |
1,280,000 /6,400,000 |
98,304/98,304 |
> 2,000,000 |
x86: redis.cluster.xu1.large.r2.1024 Arm: redis.cluster.au1.large.r2.1024 |
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