fix(go.sum): update ResolveSpec dependency to v1.0.87
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package redis
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import (
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"context"
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"errors"
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"strings"
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)
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// HOTKEYS commands are only available on standalone *Client instances.
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// They are NOT available on ClusterClient, Ring, or UniversalClient because
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// HOTKEYS is a stateful command requiring session affinity - all operations
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// (START, GET, STOP, RESET) must be sent to the same Redis node.
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//
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// If you are using UniversalClient and need HOTKEYS functionality, you must
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// type assert to *Client first:
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//
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// if client, ok := universalClient.(*redis.Client); ok {
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// result, err := client.HotKeysStart(ctx, args)
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// // ...
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// }
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// HotKeysMetric represents the metrics that can be tracked by the HOTKEYS command.
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type HotKeysMetric string
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const (
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// HotKeysMetricCPU tracks CPU time spent on the key (in microseconds).
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HotKeysMetricCPU HotKeysMetric = "CPU"
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// HotKeysMetricNET tracks network bytes used by the key (ingress + egress + replication).
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HotKeysMetricNET HotKeysMetric = "NET"
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)
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// HotKeysStartArgs contains the arguments for the HOTKEYS START command.
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// This command is only available on standalone clients due to its stateful nature
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// requiring session affinity. It must NOT be used on cluster or pooled clients.
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type HotKeysStartArgs struct {
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// Metrics to track. At least one must be specified.
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Metrics []HotKeysMetric
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// Count is the number of top keys to report.
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// Default: 10, Min: 10, Max: 64
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Count uint8
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// Duration is the auto-stop tracking after this many seconds.
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// Default: 0 (no auto-stop)
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Duration int64
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// Sample is the sample ratio - track keys with probability 1/sample.
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// Default: 1 (track every key), Min: 1
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Sample int64
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// Slots specifies specific hash slots to track (0-16383).
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// All specified slots must be hosted by the receiving node.
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// If not specified, all slots are tracked.
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Slots []uint16
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}
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// ErrHotKeysNoMetrics is returned when HotKeysStart is called without any metrics specified.
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var ErrHotKeysNoMetrics = errors.New("redis: at least one metric must be specified for HOTKEYS START")
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// HotKeysStart starts collecting hotkeys data.
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// At least one metric must be specified in args.Metrics.
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// This command is only available on standalone clients.
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func (c *Client) HotKeysStart(ctx context.Context, args *HotKeysStartArgs) *StatusCmd {
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cmdArgs := make([]interface{}, 0, 16)
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cmdArgs = append(cmdArgs, "hotkeys", "start")
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// Validate that at least one metric is specified
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if len(args.Metrics) == 0 {
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cmd := NewStatusCmd(ctx, cmdArgs...)
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cmd.SetErr(ErrHotKeysNoMetrics)
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return cmd
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}
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cmdArgs = append(cmdArgs, "metrics", len(args.Metrics))
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for _, metric := range args.Metrics {
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cmdArgs = append(cmdArgs, strings.ToLower(string(metric)))
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}
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if args.Count > 0 {
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cmdArgs = append(cmdArgs, "count", args.Count)
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}
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if args.Duration > 0 {
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cmdArgs = append(cmdArgs, "duration", args.Duration)
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}
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if args.Sample > 0 {
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cmdArgs = append(cmdArgs, "sample", args.Sample)
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}
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if len(args.Slots) > 0 {
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cmdArgs = append(cmdArgs, "slots", len(args.Slots))
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for _, slot := range args.Slots {
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cmdArgs = append(cmdArgs, slot)
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}
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}
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cmd := NewStatusCmd(ctx, cmdArgs...)
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_ = c.Process(ctx, cmd)
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return cmd
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}
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// HotKeysStop stops the ongoing hotkeys collection session.
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// This command is only available on standalone clients.
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func (c *Client) HotKeysStop(ctx context.Context) *StatusCmd {
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cmd := NewStatusCmd(ctx, "hotkeys", "stop")
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_ = c.Process(ctx, cmd)
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return cmd
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}
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// HotKeysReset discards the last hotkeys collection session results.
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// Returns an error if tracking is currently active.
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// This command is only available on standalone clients.
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func (c *Client) HotKeysReset(ctx context.Context) *StatusCmd {
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cmd := NewStatusCmd(ctx, "hotkeys", "reset")
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_ = c.Process(ctx, cmd)
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return cmd
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}
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// HotKeysGet retrieves the results of the ongoing or last hotkeys collection session.
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// This command is only available on standalone clients.
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func (c *Client) HotKeysGet(ctx context.Context) *HotKeysCmd {
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cmd := NewHotKeysCmd(ctx, "hotkeys", "get")
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_ = c.Process(ctx, cmd)
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return cmd
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}
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