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Diffstat (limited to 'doc/rados/configuration/osd-config-ref.rst')
| -rw-r--r-- | doc/rados/configuration/osd-config-ref.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/rados/configuration/osd-config-ref.rst b/doc/rados/configuration/osd-config-ref.rst index 5c90a90aaf7..23efa797773 100644 --- a/doc/rados/configuration/osd-config-ref.rst +++ b/doc/rados/configuration/osd-config-ref.rst @@ -373,6 +373,8 @@ considerably. To maintain operational performance, Ceph performs this migration with 'backfilling', which allows Ceph to set backfill operations to a lower priority than requests to read or write data. +.. note:: Some of these settings are automatically reset if the `mClock`_ + scheduler is active, see `mClock backfill`_. .. confval:: osd_max_backfills .. confval:: osd_backfill_scan_min @@ -415,6 +417,9 @@ To maintain operational performance, Ceph performs recovery with limitations on the number recovery requests, threads and object chunk sizes which allows Ceph perform well in a degraded state. +.. note:: Some of these settings are automatically reset if the `mClock`_ + scheduler is active, see `mClock backfill`_. + .. confval:: osd_recovery_delay_start .. confval:: osd_recovery_max_active .. confval:: osd_recovery_max_active_hdd @@ -452,6 +457,8 @@ Miscellaneous .. _pool: ../../operations/pools .. _Configuring Monitor/OSD Interaction: ../mon-osd-interaction .. _Monitoring OSDs and PGs: ../../operations/monitoring-osd-pg#peering +.. _mClock: ../mclock-config-ref.rst +.. _mClock backfill: ../mclock-config-ref.rst#recovery-backfill-options .. _Pool & PG Config Reference: ../pool-pg-config-ref .. _Journal Config Reference: ../journal-ref .. _cache target dirty high ratio: ../../operations/pools#cache-target-dirty-high-ratio |