![]() To filter the objects that Amazon S3 replicates, use a prefix or tag. This allows Amazon S3 to automatically replicate new objects from the source bucket to the destination bucket. Set up cross-Region replication (CRR) or same-Region replication (SRR) on the source bucket. ![]() Use cross-Region replication or same-Region replication Depending on your use case, a custom application might be more efficient than the AWS CLI for transferring hundreds of millions of objects. Use an AWS SDK to build a custom application that performs data transfers for a large number of objects. Verify that your machine has enough resources to support the maximum number of concurrent requests that you want. The default value is 10, but you can increase it to a higher value. max_concurrent_requests: This value sets the number of requests that you can send to Amazon S3 at a time.Verify that the chunksize that you set balances the part file size and the number of parts. Note: A multipart upload requires that a single file is uploaded in not more than 10,000 distinct parts. This setting allows you to break down a larger file (for example, 300 MB) into smaller parts for quicker upload speeds. multipart_chunksize: This value sets the size of each part that the AWS CLI uploads in a multipart upload for an individual file.If you want to speed up the data transfer, then customize the following AWS CLI configurations: Then, run this command on a second AWS CLI instance to copy the files with names that begin with the numbers 5 through 9: aws s3 cp s3://source-awsexamplebucket/ s3://destination-awsexamplebucket/ -recursive -exclude "*" -include "5*" -include "6*" -include "7*" -include "8*" -include "9*" Note that the file names begin with a number.įirst, run this command to copy the files with names that begin with the numbers 0 through 4: aws s3 cp s3://source-awsexamplebucket/ s3://destination-awsexamplebucket/ -recursive -exclude "*" -include "0*" -include "1*" -include "2*" -include "3*" -include "4*" This means that the resources on your local machine might affect the performance of the operation.įor example, to copy a large amount of data from one bucket to another, run the following commands. Note: The -exclude and -include parameters process on the client side. These parameters filter operations by file name. You can create more upload threads when you use the -exclude and -include parameters for each instance of the AWS CLI. For example, use the AWS CLI to run multiple, parallel instances of aws s3 cp, aws s3 mv, or aws s3 sync. Split the transfer into multiple mutually exclusive operations. ![]() To improve your transfer time, use multi-threading. Note: If you receive errors when running AWS Command Line Interface (AWS CLI) commands, make sure that you're using the most recent version of the AWS CLI. Resolution Run parallel uploads using the AWS CLI
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