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All Metrics Are Wrong, Some Are Useful - OpenObservability Talks S1E6
OpenObservability Talks
What Is High Current Denality?
High current denality means that you have a lot of distinct or different values. The problem with high cardinality is that from computational perspective, it's very hard to handle. Wix is basically the long tail of the internet. It has millions of websites. And then one of the websites causes a problem in your system. You're actually interested in which of the 20 million websites that you host as the one that's causing the problems. Yeah, especially for small machines like my laptop we need this kind of solution. So if I had this kind of a high cardinality problem, I could just load all my data onto Postgres or whatever and crunch it up. But now they always have
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