SQS
Amazon Simple Queue Service (SQS) 筆記。
Intro
- Reliable 1 on 1 Async Communication
- Temporary Message Holding Pool
- Ordered Message Processing
Types
| Type | Description |
|---|---|
| Standard | Best-effort ordering, at-least-once delivery |
| FIFO | First-in-first-out delivery, exactly-once processing |
Pricing
All customers can make 1 million Amazon SQS requests for free each month.
Useful Scenarios
- Data Processing
- Real Time Event Processing
- Ad-hoc Job Queueing
Event Structure
{
"Records": [
{
"messageId": "059f36b4-87a3-44ab-83d2-661975830a7d",
"receiptHandle": "AQEBwJnKyrHigUMZj6rYigCgxlaS3SLy0a...",
"body": "Test message.",
"attributes": {
"ApproximateReceiveCount": "1",
"SentTimestamp": "1545082649183",
"SenderId": "AIDAIENQZJOLO23YVJ4VO",
"ApproximateFirstReceiveTimestamp": "1545082649185"
},
"messageAttributes": {},
"md5OfBody": "e4e68fb7bd0e697a0ae8f1bb342846b3",
"eventSource": "aws:sqs",
"eventSourceARN": "arn:aws:sqs:us-east-2:123456789012:my-queue",
"awsRegion": "us-east-2"
},
{
"messageId": "2e1424d4-f796-459a-8184-9c92662be6da",
"receiptHandle": "AQEBzWwaftRI0KuVm4tP+/7q1rGgNqicHq...",
"body": "Test message.",
"attributes": {
"ApproximateReceiveCount": "1",
"SentTimestamp": "1545082650636",
"SenderId": "AIDAIENQZJOLO23YVJ4VO",
"ApproximateFirstReceiveTimestamp": "1545082650649"
},
"messageAttributes": {},
"md5OfBody": "e4e68fb7bd0e697a0ae8f1bb342846b3",
"eventSource": "aws:sqs",
"eventSourceARN": "arn:aws:sqs:us-east-2:123456789012:my-queue",
"awsRegion": "us-east-2"
}
]
}