7. SQS 基本設定 2
◎ First 1 million SQS requests per month are free
◎ $0.476 / per 1 million SQS requests
◎ A single request can have from 1 to 10 messages,
up to maximum total payload of 256 kb
◎ requests including:
CreateQueue, ListQueues, DeleteQueue, SendMessage,
SendMessageBatch, ReceiveMessage, ChangeMessageVisibility,
ChangeMessageVisibilityBatch, DeleteMessage, DeleteMessageBatch,
SetQueueAttributes, GetQueueAttributes, GetQueueUrl, AddPermission,
and RemovePermission.
8. SQS新政1 : 流程改善
◎ 每個worker每隔1min, 用crontab叫他們復活, 沒事幹就死掉
=> cpu utilization low, cpu loading high
◎ Solution:
利用 while True 加上 SQS long polling (20s) , 沒事做的時候
sleep 60s
◎ 結果: Loading降低, CPU utilization 沒提升很多