Method TombstoneBlock

tempodb/backend/local/compactor.go:43–60

TombstoneBlock renames meta.json → meta.deleted.json. Hides the block from BlockMeta lookups while data files remain until ClearBlock. Idempotent: a missing meta.json returns nil.

(blockID uuid.UUID, tenantID string)

// BlockMeta lookups while data files remain until ClearBlock. Idempotent:
// a missing meta.json returns nil.
func (rw *Backend) TombstoneBlock(blockID uuid.UUID, tenantID string) error {
	if len(tenantID) == 0 {
		return errors.New("empty tenant id")
	}
	if blockID == uuid.Nil {
		return errors.New("empty block id")
	}
	keypath := rw.rootPath(backend.KeyPathForBlock(blockID, tenantID))
	from := filepath.Join(keypath, backend.MetaName)
	to := filepath.Join(keypath, backend.DeletedMetaName)
	if err := os.Rename(from, to); err != nil {
		if os.IsNotExist(err) {
			return nil
		}
		return fmt.Errorf("failed to tombstone block %s: %w", blockID, err)
	}
	return nil
}

// ClearTombstonedBlocks removes block dirs containing meta.deleted.json.
// Use at startup to clean up after a crash between TombstoneBlock and