Author: Alan Protasio, Ben Ye Date: April 2025 Status: Proposed Background Since the introduction of Block Storage in Cortex, TSDB format and Store Gateway is the de-facto way to query long term data on object storage. However, it presents several significant challenges: TSDB Format Limitations TSDB format, while efficient for write-heavy workloads on local SSDs, is not designed for object storage: Index relies heavily on random reads to serve queries, where each random read becomes a request...| Cortex