CopyPartRequest in rook ceph is generating huge amount of data similar to its usage.
When we are running CompleteMultipartUploadRequest in ceph 14.2.7 we are seeing that it is using same amount of ram as the size of the file which is being copied if we are using put object directly then we are not seeing any significant increase in ram usage. I have added a groovy script to reproduce this issue.
We are using rook 1.2.7 to deploy ceph 14.2.7 with 3 OSD.
Note: We have removed accesskey, secret key and endpoint.