errors.incrementAndGet();
    }

    /**
     * Get error rate (errors / total requests)
     *
     * @return error rate between 0.0 and 1.0
     */
    public double getErrorRate() {
        long total = requestsSent.get();
        if (total == 0)
            return 0.0;
        return (double) errors.get() / total;
    }

    /**
     * Get throughput in bytes per second
     *

        /** The underlying list containing the actual data. */
        private final List<E> parent;

        /** The total number of pages available. */
        protected int allPageCount;

        /** The total number of records across all pages. */
        protected int allRecordCount;

        /** The number of records per page. */
        protected int pageSize;

		case "Free":
			z.Free, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "Free")
				return
			}
		case "Total":
			z.Total, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "Total")
				return
			}
		case "Used":
			z.Used, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "Used")
				return
			}

        // Verify reserved bytes
        assertEquals(0, dst[1]);
        assertEquals(0, dst[2]);

        // Verify total parameter count (4 bytes at position 3)
        assertEquals(100, SMBUtil.readInt4(dst, 3));

        // Verify total data count (4 bytes at position 7)
        assertEquals(200, SMBUtil.readInt4(dst, 7));

        // Verify max parameter count (4 bytes at position 11)

        d.bufDataStart = 20;
        d.totalParameterCount = 5; // Total parameter count
        d.totalDataCount = 4; // Total data count
        d.parameterCount = 5; // Current parameter count matches total
        d.parameterOffset = 2; // Absolute offset in the SMB message
        d.parameterDisplacement = 0;
        d.dataCount = 4; // Current data count matches total
        d.dataOffset = 10; // Absolute offset in the SMB message

 *
 * @author mbechler
 */
public interface AllocInfo extends FileSystemInformation {

    /**
     * Gets the total capacity of the allocation.
     *
     * @return total capacity
     */
    long getCapacity();

    /**
     * Gets the free space available.
     *
     * @return free space
     */
    long getFree();

import jcifs.internal.util.SMBUtil;

/**
 * Represents the FILE_FS_FULL_SIZE_INFORMATION structure used to query comprehensive file system size information.
 * This structure provides complete allocation details including total allocation units, caller-available free units,
 * actual free allocation units, sectors per allocation unit, and bytes per sector.
 */
public class FileFsFullSizeInformation implements AllocInfo, FileSystemInformation, Decodable {

    static final int ONE_WAY_TRANSACTION = 0x02;

    private int pad;
    private int pad1;
    private boolean parametersDone, dataDone;

    /** Total number of parameter bytes the server is returning */
    protected int totalParameterCount;
    /** Total number of data bytes the server is returning */
    protected int totalDataCount;
    /** Number of parameter bytes in this response */
    protected int parameterCount;

		"Webhook queue length",
		allWebhookLabels...)
	webhookTotalMessagesMD = NewCounterMD(webhookTotalMessages,
		"Total number of messages sent to this target",
		allWebhookLabels...)
)

// loadLoggerWebhookMetrics - `MetricsLoaderFn` for logger webhook
// such as failed messages and total messages.
func loadLoggerWebhookMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {

usage ratio_ is simply the drive space used by the file after erasure-encoding, divided by actual file size.

| Total Drives (N) | Data Drives (D) | Parity Drives (P) | Storage Usage Ratio |
|------------------|-----------------|-------------------|---------------------|
|               16 |               8 |                 8 |                2.00 |