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cephfs: add read affinity mount option

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This commit makes use of crush location labels from node
labels to supply `crush_location` and `read_from_replica=localize`
options during mount. Using these options, cephfs
will be able to redirect reads to the closest OSD,
improving performance.

Signed-off-by: Praveen M <m.praveen@ibm.com>
This commit is contained in:
Praveen M
2023-11-17 11:59:00 +05:30
committed by mergify[bot]
parent 6446150e67
commit 4d466843b9
13 changed files with 104 additions and 38 deletions
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4
internal/rbd/nodeserver.go
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@ -45,10 +45,6 @@ type NodeServer struct {
// A map storing all volumes with ongoing operations so that additional operations
// for that same volume (as defined by VolumeID) return an Aborted error
VolumeLocks *util.VolumeLocks
// NodeLabels stores the node labels
NodeLabels map[string]string
// CLIReadAffinityMapOptions contains map options passed through command line to enable read affinity.
CLIReadAffinityMapOptions string
}
// stageTransaction struct represents the state a transaction was when it either completed