The object storage at cloud providers is considered as infinite, but with on premise installations (loki)  customers needs to know at least estimation how much storage will be needed, so they can prepare it and also they do not want to be surprised by filling up all available space.Is there at least some esimation how much object storage for each Loki stack size is needed, with relation to retention period (and maybe other attributes)? this details are no where prsent in the Red Hat documentation. if we can provide some recommendation that will be good 

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