osd: handle ceph specific config changes for the mclock scheduler #38920
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The below ceph parameters are set automatically
while enabling the mclock scheduler with a built-in profile.
The user in this case will not be able to modify these
ceph specific config options during runtime.
a. osd_async_recovery_min_cost
b. osd_recovery_max_active{_hdd,_ssd}
c. osd_max_backfills
d. osd_recovery_sleep{_hdd,_ssd,_hybrid}
If the custom profile is enabled for the mclock scheduler,
the user can modify these parameters.
Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
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https://pulpito.ceph.com/nojha-2021-01-16_20:47:46-rados-wip-config-sets-ci-distro-basic-smithi/ - https://tracker.ceph.com/issues/48906 is a known issue and will be addressed in a follow-on PR. |
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@jdurgin @neha-ojha I noticed that this PR (which was merged on January 17) is in the pacific branch. Indeed, the pacific branch is identical to master even today. Wasn't it supposed to be split off on January 15? |
Well, nevermind I guess - after reading https://docs.ceph.com/en/latest/dev/developer_guide/merging/ I realized that cherry-picking to pacific cannot start until Phase 2 - https://docs.ceph.com/en/latest/dev/developer_guide/merging/#stable-release-candidates-i-e-x-1-z-phase-2 - starts, and for that to happen pacific needs a 16.1.x tag which it doesn't have yet. |
The below ceph parameters are set automatically
while enabling the mclock scheduler with a built-in profile.
The user in this case will not be able to modify these
ceph specific config options during runtime.
a. osd_async_recovery_min_cost
b. osd_recovery_max_active{_hdd,_ssd}
c. osd_max_backfills
d. osd_recovery_sleep{_hdd,_ssd,_hybrid}
If the custom profile is enabled for the mclock scheduler,
the user can modify these parameters.
Signed-off-by: Sunny Kumar sunkumar@redhat.com
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