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amazon-web-servicesamazon-s3amazon-ec2
Thanh Long Lê
Thanh Long Lê

Reputation: 127

Slow download / upload speed from AWS S3 to AWS EC2 in same region

I'm using AWS CLI to download big file from S3 bucket ( heroku db backup ) to my EC2 instance and upload big file ( about 110gb) to my AWS S3 bucket from my AWS EC2

Problem is when download ( from bucket that I don't own ) or upload to my bucket ( they are all in same region us-east-1 ) . Speed when download/upload start at about 60MB/s but decrease to 7-8MB/s after first 15gb even when I enable transfer acceleration .

So this is problem with AWS CLI config or my EC2 instance ( I'm testing with t2.micro ) ?Tks

Upvotes: 2

Views: 5248

Answers (1)

Jack Marchetti
Jack Marchetti

Reputation: 15754

Here's a list of items you can try:

  • Use enhanced networking on the EC2 instance.
  • Use parallel workloads for the data transfer.
  • Customize the upload configurations on the AWS Command Line Interface (AWS CLI).
  • Use an Amazon Virtual Private Cloud (Amazon VPC) endpoint for Amazon S3.
  • Upgrade your EC2 instance type.
  • Use chunked transfers.

Read more here: https://aws.amazon.com/premiumsupport/knowledge-center/s3-transfer-data-bucket-instance/

Upvotes: 3

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