From 0c860cff908e57fd36cd50ad81fb1e319aa5077c Mon Sep 17 00:00:00 2001
From: Iustin Pop <iustin@google.com>
Date: Fri, 11 Dec 2009 18:01:10 +0100
Subject: [PATCH] Convert n1_score metric from % to count
This increases the priority of fixing N+1 failures compared to balancing
metrics.
---
Ganeti/HTools/Cluster.hs | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/Ganeti/HTools/Cluster.hs b/Ganeti/HTools/Cluster.hs
index ad86db49d..e29eb0981 100644
--- a/Ganeti/HTools/Cluster.hs
+++ b/Ganeti/HTools/Cluster.hs
@@ -177,7 +177,7 @@ totalResources nl =
detailedCVNames :: [String]
detailedCVNames = [ "free_mem_cv"
, "free_disk_cv"
- , "n1_score"
+ , "n1_cnt"
, "reserved_mem_cv"
, "offline_all_cnt"
, "offline_pri_cnt"
@@ -202,9 +202,8 @@ compDetailedCV nl =
-- metric: disk covariance
dsk_cv = varianceCoeff dsk_l
n1_l = length $ filter Node.failN1 nodes
- -- metric: ratio of failN1 nodes
- n1_score = fromIntegral n1_l /
- fromIntegral (length nodes)::Double
+ -- metric: count of failN1 nodes
+ n1_score = fromIntegral n1_l::Double
res_l = map Node.pRem nodes
-- metric: reserved memory covariance
res_cv = varianceCoeff res_l
--
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