rework multipart upload so that it reuses the same buffers when uploading. this significantly decreases memory consumption during upload. (#1784)
rework multipart upload so that it reuses the same buffers when uploading. this significantly decreases memory consumption during upload. (#1784)


aws/aws-sdk-go,calgaryscientific/aws-sdk-go,yxd-hde/aws-sdk-go,jasdel/aws-sdk-go,yxd-hde/aws-sdk-go,calgaryscientific/aws-sdk-go,calgaryscientific/aws-sdk-go,yxd-hde/aws-sdk-go,calgaryscientific/aws-sdk-go,yxd-hde/aws-sdk-go