gcp monitoring “number of time series series violates”

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What's the difference between the "number of time series series violates" and the other conditional triggers? I can imagine what would the other conditional trigger would do easily, but I have no idea what would the this one would do.

How I would interpret "number of time series series violates" two ways .

for example A : I can have 5 vm instances , the conditional trigger for "number of time series series violates" at-least 3 times(one instance becomes absent 3 times) , and "is absent" for a 1 day.

or Example B : I can have 5 vm instances , the conditional trigger for "number of time series series violates" at-least 3 vm instances would have to exceed the threshold(become absent) , and "is absent" for a 1 day.

Thank you in advance for clarifying my misunderstanding .

google-cloud-monitoring google-cloud-platform monitoring
1 Answers

The Example B is correct, let's assume you have a condition for VM Instances and CPU Usage. You have 5 VM so you have 5 different time series - one for each VM. When you set Number of time series violates that means 3 time series has exceed threshold or you can say 3 out of 5 of the time series are in violation. Alternatively you can use the percentage option and set it to 60% which will yield same result.

Setting longer time frame will give you the behaviour you are describing in Example A

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