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AWS

r5.8xlarge

EC2 Instance

Memory-optimized instance with 32 vCPUs and 256 GiB memory. Excellent for large in-memory databases and real-time big data analytics.

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Pricing of
r5.8xlarge

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On Demand

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Spot

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1 Yr Reserved

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3 Yr Reserved

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Spot Pricing Details for
r5.8xlarge

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

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
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Compute features of
r5.8xlarge
FeatureSpecification
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Storage features of
r5.8xlarge
FeatureSpecification
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Networking features of
r5.8xlarge
FeatureSpecification
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Operating Systems Supported by
r5.8xlarge
Operating SystemSupported
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Security features of
r5.8xlarge
FeatureSupported
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General Information about
r5.8xlarge
FeatureSpecification
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Benchmark Test Results for
r5.8xlarge
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 584.8MB
AES-256 CBC 415.3MB
MD5 2.4GB
SHA256 1.5GB
SHA512 2.1GB
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 4966 4957
Average 4958 4955
Deviation 2.52 1.39
Min 4955 4950

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.

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Community Insights for
r5.8xlarge
AI-summarized insights
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@blamb I believe the R* series of instance types generally have more memory (RAM) than the corresponding T* instance types. I'm not aware of any better "handling" of the memory.

1 year ago
#memory usage#benchmarking

I would assume that the recommendation to switch from T3 to R5 for network connectivity reasons is because a T3 instance has "up to 5Gbps" network performance, while an R5 server will have "up to 10Gbps" or more depending on the specific size you pick.

5 years ago
#benchmarking

We have a 3-node HA Tableau Server environment using r5.8xlarge AWS EC2 instances which has 32 vCPU. Just wanted feedback on the topology.

2 months ago

The r instance family is memory-optimized, which you might use for in-memory databases, real-time processing of unstructured big data, or Hadoop/Spark clusters.

Hi, we have procured r5 (EC2 Instance savings plan) can this instance type be converted to r6i at later stage? Thanks

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