Red Hat Summit이 콘텐츠는 선택한 언어로 제공되지 않습니다.
Appendix I. BlueStore configuration options
The following are Ceph BlueStore configuration options that can be configured during deployment.
Note
This list is not complete.
- rocksdb_cache_size
- Description
- The size of the RocksDB cache in MB.
- Type
- 32-bit Integer
- Default
-
512
- bluestore_throttle_bytes
- Description
- Maximum bytes available before the user throttles the input or output (I/O) submission.
- Type
- Size
- Default
- 64 MB
- bluestore_throttle_deferred_bytes
- Description
- Maximum bytes for deferred writes before the user throttles the I/O submission.
- Type
- Size
- Default
- 128 MB
- bluestore_throttle_cost_per_io
- Description
- Overhead added to the transaction cost in bytes for each I/O.
- Type
- Size
- Default
- 0 B
- bluestore_throttle_cost_per_io_hdd
- Description
-
The default
bluestore_throttle_cost_per_iovalue for HDDs. - Type
- Unsigned integer
- Default
-
67 000
- bluestore_throttle_cost_per_io_ssd
- Description
-
The default
bluestore_throttle_cost_per_iovalue for SSDs. - Type
- Unsigned integer
- Default
-
4 000
- bluestore_debug_enforce_settings
- Description
-
hddenforces settings intended for BlueStore above a rotational drive.ssdenforces settings intended for BlueStore above a solid drive - Type
-
default,hdd,ssd - Default
defaultNoteAfter changing the
bluestore_debug_enforce_settingsoption, restart the OSD.
'%20d='M201.5%20305.5c-13.8%200-24.9-11.1-24.9-24.6%200-13.8%2011.1-24.9%2024.9-24.9%2013.6%200%2024.6%2011.1%2024.6%2024.9%200%2013.6-11.1%2024.6-24.6%2024.6zM504%20256c0%20137-111%20248-248%20248S8%20393%208%20256%20119%208%20256%208s248%20111%20248%20248zm-132.3-41.2c-9.4%200-17.7%203.9-23.8%2010-22.4-15.5-52.6-25.5-86.1-26.6l17.4-78.3%2055.4%2012.5c0%2013.6%2011.1%2024.6%2024.6%2024.6%2013.8%200%2024.9-11.3%2024.9-24.9s-11.1-24.9-24.9-24.9c-9.7%200-18%205.8-22.1%2013.8l-61.2-13.6c-3-.8-6.1%201.4-6.9%204.4l-19.1%2086.4c-33.2%201.4-63.1%2011.3-85.5%2026.8-6.1-6.4-14.7-10.2-24.1-10.2-34.9%200-46.3%2046.9-14.4%2062.8-1.1%205-1.7%2010.2-1.7%2015.5%200%2052.6%2059.2%2095.2%20132%2095.2%2073.1%200%20132.3-42.6%20132.3-95.2%200-5.3-.6-10.8-1.9-15.8%2031.3-16%2019.8-62.5-14.9-62.5zM302.8%20331c-18.2%2018.2-76.1%2017.9-93.6%200-2.2-2.2-6.1-2.2-8.3%200-2.5%202.5-2.5%206.4%200%208.6%2022.8%2022.8%2087.3%2022.8%20110.2%200%202.5-2.2%202.5-6.1%200-8.6-2.2-2.2-6.1-2.2-8.3%200zm7.7-75c-13.6%200-24.6%2011.1-24.6%2024.9%200%2013.6%2011.1%2024.6%2024.6%2024.6%2013.8%200%2024.9-11.1%2024.9-24.6%200-13.8-11-24.9-24.9-24.9z'/%3e%3c/svg%3e){kind=small}