implement 'do_osd_weight' in balancer module #56
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This is summary info, same as what's in 'ceph status'. Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
- wake up every minute - back off when unknown, inactive, degraded - throttle against misplaced ratio - apply some optimization step - initially implement 'upmap' only Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
…ts too Allow us to specify a root node in the hierarchy instead of a rule. This way we can use it in conjunction with find_takes(). Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
These let us identify distinct CRUSH hierarchies that rules distribute data over, and create relative weight maps for the OSDs they map to. Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
* score lies in [0, 1), 0 being perfect distribution * use shifted and scaled cdf of normal distribution to prioritize highly over-weighted device. * consider only over-weighted devices to calculate score Signed-off-by: Spandan Kumar Sahu <[email protected]>
src/pybind/mgr/balancer/module.py: improve scoring method
(with upmap at least) Signed-off-by: Sage Weil <[email protected]>
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(with upmap at least) Signed-off-by: Sage Weil <[email protected]>
* make cost_model a config * use existing reweight-by-utilization and reweight-by-pg Signed-off-by: Spandan Kumar Sahu <[email protected]>
…ion' as mon commands Signed-off-by: Spandan Kumar Sahu <[email protected]>
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reweight-by-pgandreweight-by-utilizationto implementdo_osd_weight.reweight-by-pgandreweight-by-utilizationas MonCommands.