Amazon Elastic Compute Cloud or Amazon EC2, is <\/p>\n\n\n\n
A web service that provides secure, resizable\ncompute capacity in the cloud<\/li>
Designed to make web-scale cloud computing easier for developers. <\/li><\/ul>\n\n\n\n
<\/figure><\/div>\n\n\n\n
Instance Types<\/span><\/strong><\/p>\n\n\n\n
General Purpose – <\/strong><\/p>\n\n\n\n
T2 – T2 instances are Burstable Performance\nInstances that provide a baseline level of CPU performance with the ability to\nburst above the baseline. <\/li>
M4 – M4 instances are the latest generation of\nGeneral Purpose Instances. This family provides a balance of compute, memory,\nand network resources, and it is a good choice for many applications.<\/li><\/ul>\n\n\n\n
Compute Optimised – <\/strong><\/p>\n\n\n\n
C4 – C4 instances are the latest generation of\nCompute-optimized instances, featuring the highest performing processors and\nthe lowest price\/compute performance in EC2.<\/li><\/ul>\n\n\n\n
Memory Optimised – <\/strong><\/p>\n\n\n\n
X1 – X1 Instances are optimized for large-scale,\nenterprise-class, in-memory applications and high-performance databases, and\nhave the lowest price per GiB of RAM among Amazon EC2 instance types.<\/li>
R4 – R4 instances are optimized for\nmemory-intensive applications and offer better price per GiB of RAM than R3.\nThe RAM sizes are a step below the X1s.<\/li><\/ul>\n\n\n\n
G3 – G3 instances are optimized for\ngraphics-intensive applications. The GPU specs are a step below the P2s.<\/li>
F1 – F1 instances offer customizable hardware\nacceleration with field programmable gate arrays (FPGAs).<\/li><\/ul>\n\n\n\n
Storage Optimised – <\/strong><\/p>\n\n\n\n
I3 – High I\/O instances. This family includes\nthe High Storage Instances that provide Non-Volatile Memory Express (NVMe) SSD\nbacked instance storage optimized for low latency, very high random I\/O\nperformance, high sequential read throughput and provide high IOPS at a low\ncost.<\/li>
D2 – Dense-storage instances. D2 instances\nfeature up to 48 TB of HDD-based local storage, deliver high disk throughput,\nand offer the lowest price per disk throughput performance on Amazon EC2.<\/li><\/ul>\n\n\n\n
Pricing<\/strong><\/p>\n\n\n\n
Amazon EC2 is free to try. There are four ways to pay for\nAmazon EC2 instances: On-Demand, Reserved Instances, and Spot Instances. You\ncan also pay for Dedicated Hosts which provide you with EC2 instance capacity\non physical servers dedicated for use.<\/p>\n\n\n\n
On-Demand – With On-Demand instances, you pay\nfor compute capacity by per hour or per second depending on which instances you\nrun. No longer-term commitments or upfront payments are needed. <\/li>
Spot Instances – Amazon EC2 Spot instances allow\nyou to bid on spare Amazon EC2 computing capacity for up to 90% off the\nOn-Demand price. Spot instances are recommended for applications that have\nflexible start and end times, applications that are only feasible at very low\ncompute prices or users with urgent computing needs for large amounts of\nadditional capacity.<\/li>
Reserved Instances – Reserved Instances provide\nyou with a significant discount (up to 75%) compared to On-Demand instance\npricing. For applications that have steady state or predictable usage, require\nreserved capacity or can commit to using EC2 for a 1 or 3 year period, Reserved\nInstances can provide significant savings compared to using On-Demand\ninstances. <\/li>
Per-Second Billing – With per-second billing,\nyou pay for only what you use. It takes cost of unused minutes and seconds in\nan hour off of the bill, so you can focus on improving applications instead of\nmaximising usage to the hour.<\/li><\/ul>\n\n\n\n
Reserved Instance Example <\/strong><\/p>\n\n\n\n<\/figure>\n\n\n\n
a running On-Demand Instance (T2) in account, with On-Demand rates. <\/li>
With a Reserved Instance that matches attributes of running instance, and the billing benefit is immediately applied. <\/li>
purchase a Reserved Instance for C4 instance. <\/li>
Do not have any running instances in account that match attributes of this Reserved Instance. <\/li>
In the final step, launch an instance that matches attributes of the C4 Reserved Instance, and billing benefit is immediately applied.<\/li><\/ul>\n\n\n\n
Instance Attributes<\/strong><\/p>\n\n\n\n
EC2 Reserved Instance has 4 instance attributes\ndetermining its price. <\/li>
Attributes also decided how the Reserved\nInstance will be applied to a running instance in account.<\/li>
Four attributes
Instance type: composed of instance family (m4)\nand instance size (large).<\/li><\/ul>
Scope: the Reserved Instance applies to a Region\n(regional Reserved Instance) or specific AZ (zonal Reserved Instance). <\/li><\/ul>
Tenancy: instance runs on shared (default) or\nsingle-tenant (dedicated) hardware. <\/li><\/ul>
Platform: operating system – Windows or\nLinux\/Unix.<\/li><\/ul><\/li><\/ul>\n\n\n\n
Term Commitment<\/strong><\/p>\n\n\n\n
One-year: defined as 31536000 seconds (365 days).<\/li>
Three-year: defined as 94608000 seconds (1095\ndays).<\/li><\/ul>\n\n\n\n
Payment Options<\/strong><\/p>\n\n\n\n
All Upfront: Full payment is made at the start\nof the term, with no other costs regardless of hours used.<\/li>
Partial Upfront: A portion of cost paid upfront\nand remaining hours in term are billed at a discounted hourly rate,\nirrespective of usage.<\/li>
No Upfront: a hourly rate for every hour within\nthe term, regardless of usage. No upfront payment. <\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"
Amazon Elastic Compute Cloud or Amazon EC2, is A web service that provides secure, resizable compute capacity in the cloud Designed to make web-scale cloud computing easier for developers. Instance Types General Purpose – T2 – T2 instances are Burstable Performance Instances that provide a baseline level of CPU performance with the ability to burst…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2471,"menu_order":19,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[7,573],"class_list":["post-3308","page","type-page","status-publish","hentry","category-amazon-aws","tag-aws","tag-ec2-reserved-instances"],"acf":[],"yoast_head":"\n
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