On 15/09/2020 06:11, Nick wrote:
Keeping cardinality explosion in mind, what's a decent maximum number
of exported metrics that can be considered performant for scraping and
time-series processing?
As I mainly need the counter total, I can split the web analytics to
reduce the number of possible label combinations, for example:
{ domain, page }
{ domain, browser }
For both of those some level of pre-processing would be advised to
reduce cardinality.
For page, remove query strings, etc. (especially as they can contain
unique tracking IDs). For the browser convert the user agent header into
a general string such as Firefox, Chrome, Opera, etc.
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