Author: Allenzhli Date: January 2021 Status: Accepted, Implemented in PR #3879. Retention of tenant data Problem Metric data is growing over time per-tenant, at the same time, the value of data decreases. We want to have a retention policy like prometheus does. In Cortex, data retention is typically achieved via a bucket policy. However, this has two main issues: Not every backend storage support bucket policies Bucket policies don’t easily allow a per-tenant custom retention Background ten...
