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This article shows you how to compare OTC with AWS in EC2. The content is concise and easy to understand, which will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

EC2 (Elastic Compute Cloud), as one of the most basic services in cloud computing, plays a vital role in the current use of cloud computing. EC2 accounts for the largest proportion of AWS income.

EC2 and S3 are the first services released by AWS. After so many years of development, there have been many types of services. Some services have expired and gone offline. Because the author contact with the cloud service time is not too long, some history will not say, you can search if you are interested. Next, I will make a detailed analysis of the existing services of EC2.

Example

We all provide a lot of specific instance types. Let's make a comparison of the instance types provided by AWS and OTC for reference.

1. Universal type

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

T2

T2 instance is a burst performance instance, which not only provides a basic level of CPU performance, but also has the ability to perform higher performance in the short term. The basic performance and burst capacity are restricted by CPU integral. Each T2 instance continuously receives CPU integrals at a fixed frequency according to the size of the instance. T2 instances accumulate CPU credits when they are idle, and then use CPU credits when they are active. T2 instances are ideal for workloads that do not use CPU performance often (or always) but occasionally do so suddenly, such as Web servers, developer environments, and databases.

Web sites and Web applications, development environments, build servers, code repositories, microservices, test and staging environments, and many business applications.

/ NA

T2.nano

one

0.5

EBS only

Low

T2.micro

one

one

EBS only

Low to medium

T2.small

one

two

EBS only

Low to medium

T2.medium

two

four

EBS only

Low to medium

T2.large

two

eight

EBS only

Low to medium

T2.xlarge

four

sixteen

EBS only

Moderate

T2.2xlarge

eight

thirty-two

EBS only

Moderate

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

M4

M4 instance is the latest generation of general-purpose instances. This series provides balanced computing, memory and network resources and is a good choice for many applications

For small and medium-sized databases and data processing tasks that require additional memory and cache clusters, as well as back-end servers running SAP, Microsoft SharePoint, cluster computing, and other enterprise applications.

M4.large

two

eight

EBS only

Moderate

S1.large

M4.xlarge

four

sixteen

EBS only

High

S1.xlarge

M4.2xlarge

eight

thirty-two

EBS only

High

S1.2xlarge

M4.4xlarge

sixteen

sixty-four

EBS only

High

S1.4xlarge

M4.10xlarge

forty

one hundred and sixty

EBS only

10Gb

M4.16xlarge

sixty-four

two hundred and fifty six

EBS only

20Gb

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

M3

M3 instances are also the latest generation of general-purpose instances. But he can provide instance storage.

For small and medium-sized databases and data processing tasks that require additional memory and cache clusters, as well as back-end servers running SAP, Microsoft SharePoint, cluster computing, and other enterprise applications.

/ NA

M3.medium

one

3.75

1 x 4 SSD

Moderate

M3.large

two

7.5

1 x 32 SSD

Moderate

M3.xlarge

four

fifteen

2 x 40 SSD

High

M3.2xlarge

eight

thirty

2 x 80 SSD

High

2. Computational optimization

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

C4

C4 instance is the latest generation of computing optimization examples, which can provide the highest performance processor and the highest cost performance ratio in EC2.

High-performance front-end clusters, Web servers, batch processing, distributed analysis, high-performance scientific and engineering applications, advertising services, MMO games, video coding and distributed analysis.

C4.large

two

3.75

EBS only

Moderate

C2.large

C4.xlarge

four

7.5

EBS only

High

C2.xlarge

C4.2xlarge

eight

fifteen

EBS only

High

C2.2xlarge

C4.4xlarge

sixteen

thirty

EBS only

High

C2.4xlarge

C4.8xlarge

thirty-six

sixty

EBS only

10Gb

C2.8xlarge

C3

C3 is the same as C4, but provides instance storage

High-performance front-end clusters, Web servers, batch processing, distributed analysis, high-performance scientific and engineering applications, advertising services, MMO games, video coding and distributed analysis.

/ NA

C3.large

two

3.75

2 x 16 SSD

Moderate

C3.xlarge

four

7.5

2 x 40 SSD

Moderate

C3.2xlarge

eight

fifteen

2 x 80 SSD

High

C3.4xlarge

sixteen

thirty

2 x 160 SSD

High

C3.8xlarge

thirty-two

sixty

2 x 320 SSD

10Gb

OTC also has a Compute I: vCPU/RAM ratio-1:1, I think this specification is actually very rare, vCPU/RAM ratio-1:1 do not know why to withdraw from this type

3. Memory optimization

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

X1

X1 instances are optimized for large-scale enterprise-class in-memory applications and have the lowest price per GiB RAM among Amazon EC2 instance types.

We recommend using X1 instances to run in-memory databases (such as SAP HANA), big data processing engines (such as Apache Spark or Presto), and high-performance computing (HPC) applications. X1 instances have been SAP certified to run Business Warehouse on HANA (BW), Data Mart Solutions on HANA, Business Suite on HANA (SoH), and next-generation Business Suite S/4HANA in a production environment on the AWS cloud.

/ NA

X1.16large

sixty-four

nine hundred and seventy six

1 x 1920 SSD

10Gb

X1.32xlarge

one hundred and twenty eight

1952

2 x 1920 SSD

20Gb

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

R4

R4 instances are optimized for memory-intensive applications and the price per GiB RAM is lower than R3

We recommend using R4 instances to run high-performance databases, data mining and analytics, in-memory databases, distributed Web-level in-memory caching, real-time processing of unstructured big data applications, Hadoop/Spark clusters, and other enterprise applications.

/ NA

R4.large

two

15.25

-

Up to 10Gb

M1.large

R4.xlarge

four

30.5

-

Up to 10Gb

M1.xlarge

R4.2xlarge

eight

sixty-one

-

Up to 10Gb

M1.2xlarge

R4.4xlarge

sixteen

one hundred and twenty two

-

Up to 10Gb

M1.4xlarge

R4.8xlarge

thirty-two

two hundred and forty four

-

10Gb

R4.16xlarge

sixty-four

four hundred and eighty eight

-

20Gb

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

R3

R3 is the same as R4, but supports instance storage

We recommend using R3 instances to run high-performance databases, distributed memory caching, in-memory analysis, genome assembly and analysis, Microsoft SharePoint, and other enterprise applications.

/ NA

R3.large

two

15.25

1 x 32 SSD

Moderate

R3.xlarge

four

30.5

1 x 80 SSD

Moderate

R3.2xlarge

eight

sixty-one

1 x 160 SSD

High

R3.4xlarge

sixteen

one hundred and twenty two

1 x 320 SSD

High

R3.8xlarge

thirty-two

two hundred and forty four

2 x 320 SSD

10Gb

4. Storage optimization

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

I3

The series includes high storage instances that provide Non-Volatile Memory Express (NVMe) SSD-supported instance storage optimized for extremely high random Imax O performance with low latency and high continuous read throughput, and provide high IOPS at low cost.

NoSQL databases (such as Cassandra, MongoDB, Redis), in-memory databases (such as Aerospike), scalable transactional databases, data warehouses, Elasticsearch, and analysis workloads.

/ NA

I3.large

two

15.25

1 x 475 NVMe SSD

Up to 10Gb

I3.xlarge

four

30.5

1 x 950 NVMe SSD

Up to 10Gb

I3.2xlarge

eight

sixty-one

1 x 1900 NVMe SSD

Up to 10Gb

I3.4xlarge

sixteen

one hundred and twenty two

2 x 1900 NVMe SSD

Up to 10Gb

I3.8xlarge

thirty-two

two hundred and forty four

4 x 1900 NVMe SSD

10Gb

I3.16large

sixty-four

four hundred and eighty eight

8 x 1900 NVMe SSD

20Gb

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

D2

D2 instances have HDD local storage up to 48TB, have high disk throughput, and offer the lowest disk throughput performance unit price on Amazon EC2.

Massively parallel processing (MPP) data warehouse, MapReduce and Hadoop distributed computing, distributed file system, network file system, log or data processing applications

D2.xlarge

four

30.5

3 x 2000

Moderate

D1.xlarge

D2.2xlarge

eight

sixty-one

6 x 2000

High

D1.2xlarge

D2.4xlarge

sixteen

one hundred and twenty two

12 x 2000

High

D1.4xlarge

D2.8xlarge

thirty-six

two hundred and forty four

24 x 2000

10Gb

D1.8xlarge

5. GPU optimized type

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

P2

The P2 example is suitable for general GPU computing applications.

Machine learning, high-performance databases, computational fluid dynamics, computational finance, seismic analysis, molecular modeling, genomics, presentation, and other server-side GPU computing workloads.

/ NA

P2.xlarge

four

sixty-one

EBS only

High

P2.8xlarge

thirty-two

four hundred and eighty eight

EBS only

10Gb

P2.16xlarge

sixty-four

seven hundred and thirty two

EBS only

20Gb

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

G2

G2 instances are optimized for graphics-intensive applications.

3D application streams, video coding, and other server-side graphics workloads.

/ NA

G2.2xlarge

eight

fifteen

1 x 60 SSD

High

G1.2xlarge

G2.8xlarge

thirty-two

sixty

2 x 120 SSD

10Gb

6. The latest high-end type

Instance Typ

VCPU

Memory (GiB)

Storage (GB)

Networking performance

Working with scen

OTC correspondence

F1

F1 instances can achieve custom hardware acceleration through field programmable gate array (FPGA).

Genomics research, financial analysis, real-time video processing, big data search and analysis, and security

/ NA

F1.2xlarge

eight

one hundred and twenty two

480 SSD

High

F1.16xlarge

sixty-four

nine hundred and seventy six

4 x 960

High

OTC also has 1:1 core and memory compute I and HPC for high performance computing.

In general, AWS offers more varieties, but OTC also has its own characteristics.

Root device Volum

You can start an instance from the instance store that supports AMI or Amazon EBS supports AMI. The description of AMI includes the type of AMI; you will see that in some places the root device is called ebs (which indicates support by AmazonEBS) or instance store (which indicates support by instance storage). This is important because there is a big difference in what you can do with each AMI.

Instances supported by instance storage

Using instance Storage as an instance of the root device comes with one or more instance storage volumes available, one of which acts as the root device volume. When an instance is started, the image used to start the instance is copied to the root volume. Note that you can choose to use other instances to store volumes depending on the instance type.

All data on the instance storage volume exists as long as the instance is running, but it will be deleted when the instance terminates (the instance supported by the instance storage does not support Stop) or when the instance fails (for example, if there is a problem with the underlying hard disk).

An instance supported by Amazon instance storage cannot be restored after it fails or terminates. If you plan to use an instance supported by Amazon EC2 instance storage, we strongly recommend that you allocate data to the instance store across multiple availability zones. You should also back up critical data on your instance storage volumes to persistent storage on a regular basis.

Instances supported by Amazon EBS

Use Amazon EBS as an instance of the root device to automatically attach Amazon EBS volumes. When you start an instance supported by AmazonEBS, an AmazonEBS volume is created for each AmazonEBS snapshot referenced by the AMI you use. You can choose to use other AmazonEBS volumes or instance storage volumes depending on the instance type.

Instances supported by Amazon EBS can be stopped and then restarted, and the data stored in the connected volumes will not be affected. When an instance supported by Amazon EBS is stopped, you can complete a variety of tasks related to that instance and volume. For example, you can modify the properties of an instance, you can change the size of the instance or update the kernel used by the instance, or you can connect your root volume to another running instance for debugging or any other purpose.

If an instance supported by Amazon EBS fails, you can resume your session in one of the following ways:

Stop and start again (try this method first).

Automatically take a snapshot of the related volume and create a new AMI. For more information, see creating Linux AMI supported by Amazon EBS.

Connect the volume to a new instance by following these steps:

Create a snapshot of the root volume.

Register a new AMI with a snapshot.

Launch a new instance from the new AMI.

Detach the remaining Amazon EBS volumes from the old instance.

Reconnect the Amazon EBS volume to the new instance.

The above is how OTC and AWS compare EC2. Have you learned any knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.

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