New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

mon: smooth io/recovery stats over longer period #13249

Merged
merged 1 commit into from Feb 10, 2017

Conversation

Projects
None yet
2 participants
@liewegas
Member

liewegas commented Feb 3, 2017

On a busy cluster, the PGMap will turn over every 1-2 seconds and
OSDs will report PG stats every 5-10 seconds. Averaging over only
two PGMap versions (2-4 seconds) will lead to erratic and spikey
delta values. Move to 6 versions (6-12 seconds) to better match
the reporting interval while still keeping the values somewhat
responsive.

Signed-off-by: Sage Weil sage@redhat.com

mon: smooth io/recovery stats over longer period
On a busy cluster, the PGMap will turn over every 1-2 seconds and
OSDs will report PG stats every 5-10 seconds.  Averaging over only
two PGMap versions (2-4 seconds) will lead to erratic and spikey
delta values.  Move to 6 versions (6-12 seconds) to better match
the reporting interval while still keeping the values somewhat
responsive.

Signed-off-by: Sage Weil <sage@redhat.com>

@tchaikov tchaikov self-assigned this Feb 3, 2017

@liewegas

This comment has been minimized.

@tchaikov tchaikov merged commit 87bdeb2 into ceph:master Feb 10, 2017

3 checks passed

Signed-off-by all commits in this PR are signed
Details
Unmodifed Submodules submodules for project are unmodified
Details
default Build finished.
Details
@tchaikov

This comment has been minimized.

Contributor

tchaikov commented Feb 10, 2017

a larger window for averaging makes sense to me.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment