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That's traffic analysis, not traffic metadata retention. The problem is not the computational load, but the storage capacity and bandwidth requirements. And wh

That's traffic analysis, not traffic metadata retention. The problem is not the computational load, but the storage capacity and bandwidth requirements. And what is stored at CERN is the analysis results of the data, not the data history itself. Also it's one TiB/day in total for the whole of CERN.

Create 10y ago
_All_ this data is stored for one year.
- datenwolf 10y ago
  > _All_ this data is stored for one year. Which refers to the result of the analysis. If CERN would retain all the data that crosses their network, or just the metadata they'd have to roll in truckloads of HDDs each day.