AWS

c6i.8xlarge

EC2 Instance

About the

c6i.8xlarge

instance

Compute-optimized instance with 32 vCPUs and 64 GiB memory. High-performance for large scale compute workloads.

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Pricing of

c6i.8xlarge

N/A

On Demand

N/A

Spot

N/A

1 Yr Reserved

N/A

3 Yr Reserved

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Spot Pricing Details for

c6i.8xlarge

Here's the latest prices for this instance across this region:

Availability Zone	Current Spot Price (USD)

Frequency of Interruptions: n/a

Frequency of interruption represents the rate at which Spot has reclaimed capacity during the trailing month. They are in ranges of < 5%, 5-10%, 10-15%, 15-20% and >20%.

Last Updated On: December 17, 2024

Compute features of

c6i.8xlarge

Feature	Specification

Storage features of

c6i.8xlarge

Feature	Specification

Networking features of

c6i.8xlarge

Feature	Specification

Operating Systems Supported by

c6i.8xlarge

Operating System	Supported

Security features of

c6i.8xlarge

Feature	Supported

General Information about

c6i.8xlarge

Feature	Specification

Benchmark Test Results for

c6i.8xlarge

CPU Encryption Speed Benchmarks

Cloud Mercato tested CPU performance using a range of encryption speed tests:

Encryption Algorithm	Speed (1024 Block Size, 3 threads)
AES-128 CBC	N/A
AES-256 CBC	N/A
MD5	N/A
SHA256	N/A
SHA512	N/A

I/O Performance

Cloud Mercato's tested the I/O performance of this instance using a 100GB General Purpose SSD. Below are the results:

	Read	Write
Max	N/A	N/A
Average	N/A	N/A
Deviation	N/A	N/A
Min	N/A	N/A

I/O rate testing is conducted with local and block storages attached to the instance. Cloud Mercato uses the well-known open-source tool FIO. To express IOPS the following parametersare used: 4K block, random access, no filesystem (except for write access with root volume and avoidance of cache and buffer.

See

Cloud Mercato's full benchmark results for this instance here

Community Insights for

c6i.8xlarge

AI-summarized insights

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Cloud cost management from Anodot automatically recommends when an older-generation instance (like one in the EC2 C5 family) should be upgraded to a C6i instance for your compute-intensive workload.

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Cloud cost management from Anodot automatically recommends when an older-generation instance (like one in the EC2 C5 family) should be upgraded to a C6i instance for your compute-intensive workload.

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Anodot cloud cost management will automatically recommend when an EC2 C6id instance is an optimal match for your compute-intensive workload.

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I am currently using an EC2 c6i.16xlarge instance for running trading strategy optimizations on NinjaTrader. This instance provides 64 vCPUs, 128 GB of RAM and 3.5 GHz base clock. However, during optimizations, the CPU usage hovers around 20%-30%, and the performance is significantly slower compared to my home computer, which has 12 cores but completes optimizations faster.

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Cloud cost management from Anodot automatically recommends when an older-generation instance (like one in the EC2 C5 family) should be upgraded to a C6i instance for your compute-intensive workload.

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Cloud cost management from Anodot automatically recommends when an older-generation instance (like one in the EC2 C5 family) should be upgraded to a C6i instance for your compute-intensive workload.

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I am just now trying to change the instance type and it's only letting me use the c6i platform - I was HOPING I could go to the c7g platform actually as the performance vs cost is stellar.

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Ah, I'm having the same problem! Which C series did you pick?

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