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Bug #58033

multipart copy part: use refcount optimization when possible

Added by Casey Bodley 3 months ago. Updated 3 months ago.

Status:
New
Priority:
Normal
Assignee:
-
Target version:
-
% Done:

0%

Source:
Tags:
copy multipart
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

rgw only supports CopyObject1 for object sizes up to rgw_max_put_size=5GB, and requires multipart with UploadPartCopy2 for anything larger. but only CopyObject supports the tail-refcounting optimization, so multipart copies are much more expensive

[1] https://docs.aws.amazon.com/AmazonS3/latest/API/API_CopyObject.html
[2] https://docs.aws.amazon.com/AmazonS3/latest/API/API_UploadPartCopy.html

History

#1 Updated by Casey Bodley 3 months ago

  • Tags changed from copy to copy multipart

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