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Add periods input parameter

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This patch set adds new periods strategy input
parameter that allows to specify the time length of
statistic aggregation.

Change-Id: Id6c7900e7b909b0b325281c4038e07dc695847a1
This commit is contained in:
Alexander Chadin
2016-11-18 14:31:25 +03:00
parent 120c116655
commit 295c8d914c
3 changed files with 45 additions and 3 deletions
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10
doc/source/strategies/workload-stabilization.rst
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@@ -92,12 +92,22 @@ parameter type default Value description
host from list.
``retry_count`` number 1 Count of random returned
hosts.
``periods`` object |periods| These periods are used to get
statistic aggregation for
instance and host metrics.
The period is simply a
repeating interval of time
into which the samples are
grouped for aggregation.
Watcher uses only the last
period of all recieved ones.
==================== ====== ===================== =============================
.. |metrics| replace:: ["cpu_util", "memory.resident"]
.. |thresholds| replace:: {"cpu_util": 0.2, "memory.resident": 0.2}
.. |weights| replace:: {"cpu_util_weight": 1.0, "memory.resident_weight": 1.0}
.. |instance_metrics| replace:: {"cpu_util": "compute.node.cpu.percent", "memory.resident": "hardware.memory.used"}
.. |periods| replace:: {"instance": 720, "node": 600}
Efficacy Indicator
------------------