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Summary (SQS (two types (Standard Queue (order not guaranteed, message can…
Summary
SQS
pull based
decouple infra/apps
message based
256 KB
retention
1m - 14d
default 4d
guaranteed processing of a message
long polling
returns
a) after a message arrives in queue
b) timeout
short polling
returns immediately
even if queue is empty (no message)
two types
Standard Queue
order not guaranteed
message can be delivered more than once
FIFO
strictly orderd
messages are delivered only once
SWF
task based
human work/manual work
tracks task
actors
deciders
activity workers
retention up to one year
domain = collectiona of related workers
SNS
topics
AWS Resource Name
instant push based
simple
flexible
multiple protocols
pay as you go
SES
Simple Email Service