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Update Server Consolidation global efficacy

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As instance migration cost is petty compared to the cost of
compute node release, I update the way to compute the global
efficacy for a server consolidation goal. The new formula is simplest
and it's only based on compute node.

Change-Id: Ibcce31a85af70429f412c96c584a761d681366a2
This commit is contained in:
David TARDIVEL
2017-01-09 13:58:04 +01:00
parent fc9eb6e995
commit 35066dfe60
5 changed files with 30 additions and 28 deletions
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5
watcher/tests/decision_engine/strategy/strategies/test_basic_consolidation.py
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@@ -153,9 +153,6 @@ class TestBasicConsolidation(base.TestCase):
instance_0_weight_assert,
self.strategy.calculate_weight(instance_0, cores, disk, mem))
def test_calculate_migration_efficacy(self):
self.strategy.calculate_migration_efficacy()
def test_exception_model(self):
self.m_model.return_value = None
self.assertRaises(
@@ -224,7 +221,7 @@ class TestBasicConsolidation(base.TestCase):
expected_num_migrations = 5
expected_power_state = 3
expected_global_efficacy = 60
expected_global_efficacy = 75
num_migrations = actions_counter.get("migrate", 0)
num_node_state_change = actions_counter.get(