TrueCloudLab/frostfs-sdk-go
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[#167] netmap: Fix reverse min agregator

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The higher the price, the lower reverse min weight should be.
Previously nodes with 0 price had 0 weight which is a bit misleading.

Introduced in d71a0e0755.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2023-10-26 14:03:50 +03:00 committed by Evgenii Stratonikov
parent 670619d242
commit 20d325e307
2 changed files with 5 additions and 9 deletions
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6
netmap/aggregator.go
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@ -156,11 +156,7 @@ func (a *meanIQRAgg) Compute() float64 {
}
func (r *reverseMinNorm) Normalize(w float64) float64 {
if w == 0 {
return 0
}
return r.min / w
return (r.min + 1) / (w + 1)
}
func (r *sigmoidNorm) Normalize(w float64) float64 {

8
netmap/json_tests/hrw_sort.json
View file

@ -146,19 +146,19 @@
"select 3 nodes in 3 distinct countries, same placement": {
"policy": {"replicas":[{"count":1,"selector":"Main"}],"containerBackupFactor":1,"selectors":[{"name":"Main","count":3,"clause":"DISTINCT","attribute":"Country","filter":"*"}],"filters":[]},
"pivot": "Y29udGFpbmVySUQ=",
"result": [[0, 2, 3]],
"result": [ [ 5, 0, 7 ] ],
"placement": {
"pivot": "b2JqZWN0SUQ=",
"result": [[0, 2, 3]]
"result": [ [ 5, 0, 7 ] ]
}
},
"select 6 nodes in 3 distinct countries, different placement": {
"policy": {"replicas":[{"count":1,"selector":"Main"}],"containerBackupFactor":2,"selectors":[{"name":"Main","count":3,"clause":"DISTINCT","attribute":"Country","filter":"*"}],"filters":[]},
"pivot": "Y29udGFpbmVySUQ=",
"result": [[0, 1, 2, 6, 3, 4]],
"result": [ [ 5, 4, 0, 1, 7, 2 ] ],
"placement": {
"pivot": "b2JqZWN0SUQ=",
"result": [[0, 1, 2, 6, 3, 4]]
"result": [ [ 5, 4, 0, 7, 2, 1 ] ]
}
}
}