presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/storage/BackupStats.java/BackupStats/addCopyShardDataRate
class BackupStats:    public void addCopyShardDataRate(DataSize size, Duration duration)
    {
        DataSize rate = dataRate(size, duration).convertToMostSuccinctDataSize();
        copyToBackupBytesPerSecond.add(rate.toBytes());
        copyToBackupShardSizeBytes.add(size.toBytes());
        copyToBackupTimeInMilliSeconds.add(duration.toMillis());
    }