Debugging space usage discrepancies

Alexey · January 14, 2024, 9:09am

It’s accounted as byte/hour, but calculated as byte/nanoseconds (or maybe even more precise - it’s just a difference between timestamps), so for not a whole hour it will be calculated only for the precise time when it was used.
See

github.com

storj/storj/blob/95eba16c44cc7ee0b193055ad1b227ec8d651c06/satellite/accounting/nodetally/observer.go#L103


      
          // for backwards compatibility.
          var monRangedTally = monkit.ScopeNamed("storj.io/storj/satellite/accounting/tally")
          
          // Finish calculates byte*hours from per node storage usage and save tallies to DB.
          func (observer *Observer) Finish(ctx context.Context) (err error) {
          	defer mon.Task()(&ctx)(&err)
          
          	finishTime := observer.nowFn()
          
          	// calculate byte hours, not just bytes
          	hours := finishTime.Sub(observer.lastTallyTime).Hours()
          	var totalSum float64
          	nodeIDs := make([]storj.NodeID, 0, len(observer.Node))
          	byteHours := make([]float64, 0, len(observer.Node))
          	nodeAliasMap, err := observer.metabaseDB.LatestNodesAliasMap(ctx)
          	if err != nil {
          		return err
          	}
          
          	for alias, pieceSize := range observer.Node {
          		totalSum += pieceSize

It’s not $1.5/TB, it’s $1.5/TB-mo, see

8.2.1. Storage of Storage Materials on Space - use of Space on the Storage Node by the Storage Services calculated in GB hours per month is paid at a rate of $0.0015 (USD) per GB month;