Simple Notification Service (SNS)
Kinesis + MQ
Databases & Analytics
EBS Volume Types
  • Solid state drives (SSD) (gp2 and io1 and io2):
    • For transactional workloads involving frequent read/write operations with small I/O size.
    • Dominant performance attribute is IOPS.
  • Hard disk drives (HDD) (st1 and sc1):
    • For large streaming workloads.
    • Dominant performance attribute is throughput.
    • Can't be used for boot volumes.

EBS Volume Types

  • Provides the following volume types:
    • General Purpose SSD (gp2)
      • Cost-effective storage that is ideal for a broad range of workloads.
      • Deliver single-digit millisecond latencies.
      • Ability to burst to 3,000 IOPS for extended periods of time.
      • Max IOPS per volume = 16,000.
      • Use cases:
        • Boot volumes.
        • Low-latency interactive apps.
        • Development and test environments.
    • Provisioned IOPS SSD (io1 and io2)
      • Designed to meet the needs of I/O-intensive workloads, particularly database workloads, that are sensitive to storage performance and consistency.
      • Uses a consistent IOPS rate, which you specify when you create the volume.
      • Multi-Attach enables you to attach a single volume to up to 16 Nitro-based instances that are in the same Availability Zone; this is only for io1.
      • Use cases:
        • Workloads that require sustained IOPS performance or more than 16,000 IOPS or 250 MiB/s of throughput per volume.
        • I/O-intensive database workloads.
        • Small volume sizes with high IO requirements.
    • Throughput Optimized HDD (st1)
      • Low-cost.
      • For frequently accessed, throughput-intensive workloads.
      • Use cases:
        • Big data.
        • Data warehouses.
        • Log processing.
    • Cold HDD (sc1)
      • Lowest-cost.
      • sc1 = Cold Data = Infrequently Accessed.
      • For infrequently accessed workloads.
      • Use cases:
        • Throughput-oriented storage for data that is infrequently accessed.
        • Scenarios where the lowest storage cost is important.
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