Visualizing a ratio of two aggregations on the Y axis

Elastic Stack Kibana
1

I'd like to plot a graph where the X-axis is the timeseries and the Y axis is a ratio of two certain field values (In my case, this is the "availability" metric which is defined as
sum(response_code = OK)/sum(response_code = OK or response_code = FAIL).

response_code is the field which is available in the index.
I am new to Kibana, but it appears that it does not support support custom metric computation.
Any help?

2

This should be achievable in TSVB/Visual Builder, using the Math aggregation to calculate that ratio.

3

Could you please explain how do I sum the rows based on a filter (in my case, sum rows where the response code is OK)?

4

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