The compactor is an service which is responsible to: Compact multiple blocks of a given tenant into a single optimized larger block. This helps to reduce storage costs (deduplication, index size reduction), and increase query speed (querying fewer blocks is faster). Keep the per-tenant bucket index updated. The bucket index is used by queriers, store-gateways and rulers to discover new blocks in the storage. The compactor is stateless. How compaction works The blocks compaction has two main b...
