SQS Limits

Question 1

SQS Visibility Timeout

Answer 1

0-12 hours. Default 30 seconds

Question 2

SQS Message Retention Period

Answer 2

1 minute to 14 days. Default 4 days

Question 3

SQS Delivery Delay

Answer 3

0 seconds to 15 minutes

Question 4

SQS Standard Queue Receive Message wait time

Answer 4

0 to 20 seconds. Enables long-polling

Question 5

SQS max. message size

Answer 5

256Kb, with Extended Client Library up to 256kB with S3

Question 6

SQS FIFO Througput Limit

Answer 6

300 API calls, 10 messages each => 3000 TPS

Question 7

SQS FIFO Queue suffix

Answer 7

.fifo

Question 8

SQS Metadata Name length

Answer 8

256 characters

Question 9

SQS Metadata Type length

Answer 9

256 characters

Question 10

SQS Metadata Value max. size

Answer 10

Same as Body, 256kB

Question 11

SQS FIFO max. in-flight messages

Answer 11

20.000

Question 12

SQS FIFO min. de-dup interval

Answer 12

5 minutes

Question 13

SQS max. in-flight messages (standard queue)

Answer 13

120.000, long-polling will not return error, short polling will

Question 14

SQS Max. number of meta-data tags

Answer 14

10

Question 15

SQS max. batch size

Answer 15

10