AWS Elastic Beanstalk contd..

• Worker Environment tier:
  • Worker environment tier architecture
  • They are designed to run time cosuming background server applications or schedule tasks.
  • Simple Queue Service

Simple Queue Service (SQS)

• Before we look at SQS lets try to understand Message Queues Refer Here
• In Reliable Communications Message delivery is guaranteed with some time limit .
• Amazon offers message queue as a serivice by Simple Queue Service
• Amazon SQS offers
  • Redundant infrastructure
  • Multiple Producers and Consumer
  • Queue wise configurable settings
  • Variable message sizes
  • Queue Access control
  • Delay queue
  • Payment Card Industry (PCI) complaince and HIPAA complaint
• AWS SQS supports two types of queues
  • Standard Queue
    • Avaliability: In all regions
    • Throughput: It supports an unlimited number of TPS (Transactions per second)
    • Order: Generally sends the data in same order as received, however in certain occasions it can change
  • FIFO queue
    • Avaliability: N.Virginial, Ohio, Oregon and Ireland regions
    • Throughput: Limited Throughput of 300 messages per second. If batching it can support upto 3000 messages per second
    • Order: FIFO
• Operations in a queue
  • Creating a queue:

AWS SDK

• Aws services can be accessed using

  • Console
  • CLI
  • SDK

• AWS supports SDKS in the following languages Refer Here

  • C++
  • GO
  • Python
  • PHP
  • Ruby
  • Java
  • .net

• In this series we will be looking at using AWS SDK from python. AWS SDK for python is called as Boto 3

• For The API Reference of Boto3 Refer Here

• Refer Here for the sample written in the classroom.