Bug 1419508

Summary:	docker push to local Docker v2 Registry eats lots of CPU
Product:	Red Hat Enterprise Linux 7	Reporter:	Marko Myllynen <myllynen>
Component:	docker-distribution	Assignee:	Jindrich Novy <jnovy>
Status:	CLOSED WONTFIX	QA Contact:	atomic-bugs <atomic-bugs>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	7.3	Keywords:	Extras
Target Milestone:	rc
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Last Closed:	2021-01-15 07:31:26 UTC	Type:	Bug
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Description Marko Myllynen 2017-02-06 11:34:07 UTC

Description of problem:
When pushing an image of ~500 MB I see with Docker v1 Registry something like:

 4646 root	20   0 3820600  79076  14608 S 141.7  0.1  21:07.32 dockerd-current
12979 root	20   0  287152  37744   3828 S  17.5  0.1   0:07.93 gunicorn

However, with Docker v2 Registry I see:

 4646 root	20   0 3821912  82784  14644 S 408.6  0.1  21:48.41 dockerd-current
13919 root	20   0 1397492  24076   6368 S  50.3  0.0   0:06.47 registry

This looks unexpectedly high CPU usage, would it be possible to optimize this?

Thanks.

Version-Release number of selected component (if applicable):
docker-distribution-2.5.1-1.el7.x86_64

Comment 3 RHEL Program Management 2021-01-15 07:31:26 UTC

After evaluating this issue, there are no plans to address it further or fix it in an upcoming release.  Therefore, it is being closed.  If plans change such that this issue will be fixed in an upcoming release, then the bug can be reopened.