[英]AWS Gateway takes forever to call the lambda function
I set up some logs to check the incoming requests for an endpoint. 我设置了一些日志以检查端点的传入请求。 I found out Gateway takes at least 10s to call the lambda function:
我发现Gateway至少需要10秒钟才能调用lambda函数:
2016-03-05 21:32:19 UTC+1 Starting execution for request: 5b673e5b-e311-11e5-bf9b-33cf30c5916a
2016-03-05 21:32:19 UTC+1 Method request path: {}
2016-03-05 21:32:19 UTC+1 Method request query string: {}
2016-03-05 21:32:19 UTC+1 Method request headers:
2016-03-05 21:32:19 UTC+1 Method request body before transformations:
2016-03-05 21:32:19 UTC+1 Endpoint request URI:
2016-03-05 21:32:19 UTC+1 Endpoint request headers:
2016-03-05 21:32:19 UTC+1 Endpoint request body after transformations:
### THE CALL IS HERE ###
2016-03-05 21:32:30 UTC+1 Endpoint response body before transformations:
2016-03-05 21:32:30 UTC+1 Endpoint response headers:
2016-03-05 21:32:30 UTC+1 Method response body after transformations:
2016-03-05 21:32:30 UTC+1 Method response headers:
2016-03-05 21:32:30 UTC+1 Successfully completed execution
2016-03-05 21:32:30 UTC+1 Method completed with status: 200
And the logs from the lambda function: 以及来自lambda函数的日志:
2016-03-05 21:32:29 UTC+1 START RequestId: 5b678c7a-e311-11e5-a92e-7109901c2d08 Version: 65
2016-03-05 21:32:30 UTC+1 END RequestId: 5b678c7a-e311-11e5-a92e-7109901c2d08
2016-03-05 21:32:30 UTC+1 REPORT RequestId: 5b678c7a-e311-11e5-a92e-7109901c2d08 Duration: 699.25 ms Billed Duration: 700 ms Memory Size: 128 MB Max Memory Used: 41 MB
Is that normal? 那是正常的吗? How can I speed this up?
我怎样才能加快速度?
Thanks. 谢谢。
This is not typical, however you might see a small fraction of requests taking much longer than average due to Lambda function initialization, ie "cold start" behavior. 这不是典型的情况,但是由于Lambda函数初始化(即“冷启动”行为),您可能会看到一小部分请求花费的时间比平均时间长得多。 You're not billed for the initialization time so you don't see the total time in your Lambda logs.
您无需为初始化时间付费,因此您不会在Lambda日志中看到总时间。
Best advice to avoid these high worst-case latencies: 避免这些高延迟情况的最佳建议:
If you follow this advice, and still see consistent latencies in this range over many requests, please let us know. 如果您遵循此建议,但仍然在许多请求中看到此范围内的一致延迟,请告诉我们。
Cheers, Ryan 干杯,瑞安
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