红帽全球峰会7.4. 父/Child Reads 设置
- rbd_balance_snap_reads
- 描述
- Ceph 通常从Primary OSD 读取对象。由于读取不可变，您可以启用此功能来平衡 Primary OSD 和副本之间的 snap 读取。
- 类型
- 布尔值
- 默认
-
false
- rbd_localize_snap_reads
- 描述
-
虽然
rbd_balance_snap_reads将随机化副本以读取快照，如果启用了rbd_localize_snap_reads，则块设备将查找 CRUSH map 来查找最接近（本地）OSD 以读取快照。 - 类型
- 布尔值
- 默认
-
false
- rbd_balance_parent_reads
- 描述
- Ceph 通常从Primary OSD 读取对象。由于读取不可变，您可以启用此功能来平衡 Primary OSD 和副本之间的父读取。
- 类型
- 布尔值
- 默认
-
false
- rbd_localize_parent_reads
- 描述
-
虽然
rbd_balance_parent_reads将随机化副本以读取父项，如果您启用了rbd_localize_parent_reads，块设备将查找 CRUSH map 来查找最接近（本地）OSD 以读取父项。 - 类型
- 布尔值
- 默认
-
true
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