AWS

c5d.18xlarge

EC2 Instance

About the

c5d.18xlarge

instance

Compute-optimized instance with 72 vCPUs, 144 GiB memory, and 2x900GB NVMe SSD. Massive compute capacity with local SSD storage.

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Pricing of

c5d.18xlarge

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

c5d.18xlarge

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

c5d.18xlarge

Feature	Specification

Storage features of

c5d.18xlarge

Feature	Specification

Networking features of

c5d.18xlarge

Feature	Specification

Operating Systems Supported by

c5d.18xlarge

Operating System	Supported

Security features of

c5d.18xlarge

Feature	Supported

General Information about

c5d.18xlarge

Feature	Specification

Benchmark Test Results for

c5d.18xlarge

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	3099	3098
Average	3096	3094
Deviation	2.52	1.69
Min	3090	3091

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

c5d.18xlarge

AI-summarized insights

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Just did a quick test. It booted up in about 11s vs around 19s for Xen. I did notice that it took a while for the status check to go green though. There was a warning message saying that it couldn't connect to the instance. I was able to SSH just fine though.

2017-07-11 00:00:00

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benchmarking

You may find useful new EC2 instance family equipped with local NVMe storage: **C5d**. See announcement blog post:

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You may find useful new EC2 instance family equipped with local NVMe storage: **C5d**. See announcement blog post:

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it worked ; it seems I ran the command twice by accident, the first one correctly mounted the disks

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I'm trying to submit job with **c5d.18xlarge** **(vcpus: 72, memory: 144000)** but it never coming up till 20 mins even my maximum vcpus of compute enviroment is **256**?

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