我有一个Elastic Beanstalk工作者,一次只能运行一个任务,而且需要花一些时间(从几分钟到希望少于30分钟),所以我要在SQS上排队我的任务。
在我的工作人员配置中,我有:
HTTP connections: 1
Visibility timeout: 3600
Error visibility timeout: 300
(On "Advanced")
Inactivity timeout: 1800
问题是似乎有一个1分钟的超时(在nginx上),它覆盖了“不活动超时”,返回了504(网关超时)。
这是我可以在aws-sqsd.log文件中找到的:
2016-02-03T16:16:27Z init: initializing aws-sqsd 2.0 (2015-02-18)
2016-02-03T16:16:27Z start: polling https://sqs.eu-central-1.amazonaws.com/855381918026/jitt-publisher-queue
2016-02-03T16:23:36Z message: sent to %[http://localhost:80]
2016-02-03T16:24:36Z http-err: 1444d1ba-ecb5-46f8-82d6-d0bf19b91fad (1) 504 - 60.006
2016-02-03T16:28:54Z message: sent to %[http://localhost:80]
2016-02-03T16:29:54Z http-err: 1b7514d3-689a-4e8b-a569-5ef1ac32ed0c (1) 504 - 60.029
2016-02-03T16:29:54Z message: sent to %[http://localhost:80]
2016-02-03T16:29:54Z http-err: 1444d1ba-ecb5-46f8-82d6-d0bf19b91fad (2) 500 - 0.006
2016-02-03T16:33:49Z message: sent to %[http://localhost:80]
2016-02-03T16:34:49Z http-err: 3a43e80f-a8d3-46b2-b2a0-9d898ad4f2a6 (1) 504 - 60.023
2016-02-03T16:34:54Z message: sent to %[http://localhost:80]
2016-02-03T16:34:54Z http-err: 1b7514d3-689a-4e8b-a569-5ef1ac32ed0c (2) 500 - 0.004
2016-02-03T16:34:54Z message: sent to %[http://localhost:80]
2016-02-03T16:34:54Z http-err: 1444d1ba-ecb5-46f8-82d6-d0bf19b91fad (3) 500 - 0.003
2016-02-03T16:39:49Z message: sent to %[http://localhost:80]
2016-02-03T16:40:49Z http-err: 3a43e80f-a8d3-46b2-b2a0-9d898ad4f2a6 (2) 504 - 60.019
某些事情在这里是有意义的,例如从504/500开始直到再次将任务重新发送给工作人员为止,每条消息需要5分钟的延迟(与“错误可见性超时”的300秒配置相匹配) 。
那500个代码与我当前的逻辑相符:如果仍然有东西在运行,工作人员通过将500退回来拒绝任务。
我已经看到很多关于设置负载均衡器连接超时设置的答案,但是,由于这是一个从SQS队列中提取消息的工作人员,因此没有负载均衡器。
我应该怎么做才能覆盖那1分钟的超时设置吗?
由于我有时间更好地进行研究,因此解决方案是添加一个ebextension来配置代理超时设置:
files:
"/etc/nginx/sites-available/elasticbeanstalk-nginx-docker-proxy-timeout.conf":
mode: "000644"
owner: root
group: root
content: |
proxy_connect_timeout 3600;
proxy_send_timeout 3600;
proxy_read_timeout 3600;
send_timeout 3600;
commands:
"00nginx-create-proxy-timeout":
command: "if [[ ! -h /etc/nginx/sites-enabled/elasticbeanstalk-nginx-docker-proxy-timeout.conf ]] ; then ln -s /etc/nginx/sites-available/elasticbeanstalk-nginx-docker-proxy-timeout.conf /etc/nginx/sites-enabled/elasticbeanstalk-nginx-docker-proxy-timeout.conf ; fi"
资料来源:http : //cloudavail.com/2015/10/18/allowing-long-idle-timeouts-when-using-aws-elasticbeanstalk-and-docker/
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