** Tags added: canonical-bootstack
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https://bugs.launchpad.net/bugs/1624591
Title:
ceph charms should use the CFQ IO scheduler so scrubbing can be de-
prioritized
To manage
For spinning disks, I/O schedulers other than deadline are subject to
issues with read operations taking too long due to write starvation.
Just my $ 0.2
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I don't think this should be done in the package; if there was a good
opinionated choice here I think upstream ceph would have already done
it.
** Changed in: charm-ceph
Status: Triaged => Won't Fix
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Marking ceph charm task as won't fix; we have a migration path for ceph
charm deployments to ceph-mon/ceph-osd, so ceph won't get any further
new features or improvements.
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Reading: https://www.sebastien-han.fr/blog/2012/10/29/optimized-your-
ssd/
Also feels like SSD's should use noop rather than deadline or cfq.
** Changed in: ceph (Ubuntu)
Status: Confirmed => Invalid
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** Changed in: charm-ceph
Assignee: Chris Holcombe (xfactor973) => (unassigned)
** Changed in: charm-ceph-osd
Assignee: Chris Holcombe (xfactor973) => (unassigned)
** Changed in: ceph (Juju Charms Collection)
Assignee: Chris Holcombe (xfactor973) => (unassigned)
** Changed in:
** Changed in: charm-ceph
Assignee: Chris MacNaughton (chris.macnaughton) => Chris Holcombe
(xfactor973)
** Changed in: charm-ceph-osd
Assignee: Chris MacNaughton (chris.macnaughton) => Chris Holcombe
(xfactor973)
** Changed in: ceph (Juju Charms Collection)
Assignee: Chris
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: ceph (Ubuntu)
Status: New => Confirmed
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Title:
ceph
** Changed in: charm-ceph
Importance: Undecided => Medium
** Changed in: charm-ceph
Status: New => Triaged
** Changed in: charm-ceph
Assignee: (unassigned) => Chris MacNaughton (chris.macnaughton)
** Changed in: ceph (Juju Charms Collection)
Status: Triaged => Invalid
**
@chris.macnaughton you currently have this bug set as In Progress for
the charms but since you are investigating for the ceph packages first I
suggest you mark the bug accordingly so that we can track the work
properly.
** Also affects: ceph (Ubuntu)
Importance: Undecided
Status: New
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