Method CompactHead

tsdb/db.go:1551–1563

CompactHead compacts the given RangeHead.

(head *RangeHead)

// CompactHead compacts the given RangeHead.
func (db *DB) CompactHead(head *RangeHead) error {
	db.cmtx.Lock()
	defer db.cmtx.Unlock()

	if err := db.compactHead(head); err != nil {
		return fmt.Errorf("compact head: %w", err)
	}

	if err := db.head.truncateWAL(head.BlockMaxTime()); err != nil {
		return fmt.Errorf("WAL truncation: %w", err)
	}
	return nil
}

// CompactOOOHead compacts the OOO Head.
func (db *DB) CompactOOOHead(ctx context.Context) error {