aws部署推送命令上传速度慢

Question

我正在尝试使用 AWS CodeDeploy。我用aws deploy push --debug命令。要上传的文件约为 250 KB。但上传尚未完成。以下是显示的日志。

2017-10-27 11:11:40,601 - MainThread - botocore.auth - DEBUG - CanonicalRequest:
PUT
/frontend-deployer/business-services-0.0.1-SNAPSHOT-classes.jar
partNumber=39&uploadId=.olvaJkxreDZf1ObaHCMtHmkQ5DFE.uZ9Om0sxZB08YG3tqRWBxmGLTFWSYQaj9mHl26LPJk..Stv_vPB5NMaV.zAqsYX6fZz_S3.uN5J4FlxHZFXoeTkMiBSYQB2C.g
content-md5:EDXgvJ8Tt5tHYZ6Nkh7epg==
host:s3.us-east-2.amazonaws.com
x-amz-content-sha256:UNSIGNED-PAYLOAD
x-amz-date:20171027T081140Z

content-md5;host;x-amz-content-sha256;x-amz-date
UNSIGNED-PAYLOAD
...
2017-10-27 11:12:12,035 - MainThread - botocore.endpoint - DEBUG - Sending http request: <PreparedRequest [PUT]>
2017-10-27 11:12:12,035 - MainThread - botocore.awsrequest - DEBUG - Waiting for 100 Continue response.
2017-10-27 11:12:12,189 - MainThread - botocore.awsrequest - DEBUG - 100 Continue response seen, now sending request body.

尽管文件相当小 (250 KB)，上传也无法完成。

另一方面，通过aws s3 cp命令上传持续 1 秒。

如何提高aws deploy push命令的上传速度？