Track a value change across a time period


(R a V) #1

Hey guys,
I'm trying to create a visualization to track for changes in a value.
For example, we're collecting the inventory details of all linux servers every day. I'd like find the servers for which the cpu allocation has increased or decreased.
I tried creating a line chart with sum of value on y-axis and date histogram on x-axis.


(kulkarni) #2

Hi

Have u tried "derivative" metrics aggregation that allows exactly that, calculate the derivative of a specific other metric. https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-pipeline-derivative-aggregation.html

hope this helps,

Thanks
Rashmi


(R a V) #3

Thanks for that. I'm trying it. However I have more than a 1000 servers and I want to display only those servers for which there is a change.


(system) #4

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