Port:

· SSH: 22

· RDP: 3389

· HTTP: 80

· HTTPS: 443

· MySQL: 3306

· Redshift: 5439

· MS SQL: 1433

ELB

· Supported Protocols: HTTP/HTTPS/TCP/SSL

· Supported Ports: 25, 80, 443, 1024 - 36635

Compute

EC2

· Max Number of Tags – 10 Per EC2 Instance

· How many regions are there on the AWS platform currently - 11

· Total Regions Supported for EC2 - 9

· EC2 Instance Limits (Per Region)

· On-Demand : 20

· Reserved: 20

· SPOT – No Limit

· Number of EBS volumes - 5000

Auto Scaling

· Default Cooling Period – 5 mins

· Health Check Grace Period – 300Secs (5 Mins) Default

Elastic Bean Stalk

· Default Limit

· Applications: 75

· Application Version: 1000

· Environments: 200

Storage

S3

· Per AWS A/c S3 Buckets – 100 (Call AWS to increase limit)

· File Size: 1 Byte – 5 TB

· Object/File Size in Single PUT – 5 GB

· Multipart Upload – Greater than 100 MB

Glacier

· 1000 Vaults – Per A/c Per Region

· No Max Limit to the total amount of data.

· Individual Archives Limit: 1 Byte – 40 TB

· Object/File Size in Single PUT – 4 GB

Storage Gateway

· Gateway Stored Volume – 16 TB, 32 Volumes: 512 TB

· Gateway Cached Volume – 32 TB, 32 Volumes: 1 PB

· Virtual Tape – 1 PB (1500 Virtual Tapes) (Takes 24 Hours for retrieval)

Import/Export

· Max Device Capacity – 16 TB

· Snowball - Max Device Capacity – 50 TB

CloudFront: (Can be Writable)

· 1000 – Request Per Second

· Max File Size that can be delivered thru CloudFront – 20 GB

· TTL – 24 Hrs (86400 secs)

· Cannot be - RDS, Glacier

· Can be – S3, EC2, ELB, Route53

Database

RDS:

· Limit – 40 RDS Instances

· Max DB on Single SQL-Server Instance – 30

· Max DB on Single Oracle Instance – 01

· RDS Backup Retention Period – 1 - 35 Days

· Read-Replicas – 05

· MySQL DB Size – 6 TB

· Maximum RDS Volume size using RDS PIOPS storage with MySQL & Oracle DB Engine - 6 TB

· Maximum PIOPS capacity on an MySQL and Oracle RDS instance is 30,000 IOPS (Default)

· Maximum size for a Microsoft SQL Server DB Instance with SQL Server Express edition – 10 GB (SA Mega Quiz #20)

Dynamo DB

· Storage – No Limit

· Single Item Size (Row Size): 1 – 400 KB

· Local/Global Secondary Index – 05 per Table

· Streams – Stored for 24 Hours only.

· Maximum Write Thruput – Can go beyond 10,000 capacity units, but contact AWS first.

· Projected Non-Key Attributes – 20 Per Table

· LSIs - Limit the total size of all elements (tables and indexes) to 10 GB per partition key value. (GSI does not have any such limitations)

· Tags: 50 Tags Per DynamoDB Table

· Triggers for a Table - Unlimited

RedShift

· Block Size – 1024 KB

· Maintain 3 copies

· Compute Node: 1 – 128

· Backup Retention Period – 1 Day (Max)

Aurora

· Maintain 6 copies in 3 AZs

ElastiCache

· Reserved Cache Nodes – 20

Networking

ELB:

· Allowed Load balancer : 20

· Port Supported: HTTP, HTTPS, SSL, TCP

· Acceptable ports for both the HTTPS/SSL and HTTP/TCP connections are 25, 80, 443, and 1024-65535

Per Region

· 05 - VPCs

· 05 - EIP

· 05 – Virtual Private Gateway

· 50 - VPN Connections

· 50 – Customer Gateway

Per VPC

· 01 - Internet Gateway

· 01 – IP Address Range

· 200 – Subnets

· 20 - EC2 Instances (Default)

Per Subnet

· 01 – AZ

· 01 - ACL

Notes:

· An instance retains its Private IP and persist across starts and stops

· Assign multiple IP addresses to your instances

· EIP is associated with your AWS account and not a particular instance. It remains associated with your account until you explicitly release it.

· Subnet Cannot Span Multi-AZ

· Security Group Can Span Multi-AZ

· N/W ACL Can Span Multi-AZ

· Route Table Can Span Multi-AZ

Route53

· Number of domains you can manage using Route 53 is 50 (however it is a soft limit and can be raised by contacting AWS support)

Management

Cloud Watch

· Logs – Unlimited/ Indefinitely

· Alarms – 2 Weeks (14 Days)

· Metrics – 2 Weeks (14 Days)

· For more, use API – GetMetricStatistics or some third party tools

· EC2 Metrics Monitoring

· Standard – 5 Mins

· Detailed – 1 Min (Paid)

· Custom Metrics Monitoring – Minimum 1 Min

Cloud Formation

· Templates – No Limits

· Stack – 200 Per A/c

· Parameters – 60 per Template

· Output – 60 per Template

· Description Field Size – 4096 Characters

Cloud Trail

· 5 Trails – Per Region

· Deliver Log Files – Every 5 mins

· Capture API Activity – Last 7 Days

OpsWorks

· 40 Stacks

· 40 Layers per stack

· 40 Instances per stack

· 40 - Apps per stack

Security

· Roles: 250 Per AWS Account

· KMS

· Master Keys – 1000 Per AWS A/c

· Data Key – No Limit

· Resource Base Permission:

· S3, Glacier, EBS

· SNS, SQS

· Elastic Bean Stalk, Cloud Trail

Analytics

EMR:

· EC2 Instances Across All clusters - 20

Application

SQS:

· Visibility Timeout – 30 Secs (Default) (Otherwise 12 hours) Value must be between 0 seconds and 12 hours.

· Retention Period – 4 days (Default). Can be set form 1 min to 2 Weeks (14 Days) Value must be between 1 minute and 14 days.

· Max Long Polling Timeout – 20 Secs Value must be between 0 and 20 seconds.

· Message Size – 256 KB Value must be between 1 and 256 KB.

· Number of Queues – Unlimited

· Number of messages per queue – Unlimited

· Queue name: 80 characters

SES:

· SES Email Size – 10 MB (including Attachments)

· SES Recipients – 50 for every message

· Sending Limits:

SNS:

· Topic – 1,00,000 Lakh (Per A/c)

· Subscription – 10 Million Per Topic (Per A/c)

· TTL – 04 Weeks

SWF:

· Retention Period – 1 Year

· Max workflow execution – 1 Year

· History of Execution – 90 Days Max

· Max Workflow and Activity Types – 10,000

· Max Amazon SWF domains – 100

· Max open executions in a domain – 1,00,000

Elastic Encoder

· Jobs – 10k Per Pipeline

Hope this helps.

Keep Blogging!!!

http://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html

Regards,

Arun Manglick

Tuesday, March 7, 2017

AWS - Key Components Limits