Version: 0.9.23.dev.260416
后端: 1. Memory 管理面 API 落地(“我的记忆”增删改查 + 恢复) - 补齐 List/Get/Create/Update/Delete/Restore 的 handler、请求模型与返回视图 - 注册 `/api/v1/memory/items*` 路由并接入 MemoryHandler - 新增 memory item not found / invalid memory type / invalid memory content 三类管理面错误码 2. Memory Module / Service / Repo 扩展为“可管理 + 可治理”门面 - 新增 NewModuleWithObserve / ObserveDeps,导出 GetItem / CreateItem / UpdateItem / DeleteItem / RestoreItem / RunDedupCleanup / MemoryObserver / MemoryMetrics - 新增手动新增、修改、恢复能力;删除链路切到 SoftDeleteByID;所有管理动作统一事务内写 audit,并桥接向量同步与管理面观测 - 补齐 CreateItemFields / UpdateItemFields、单条 Create、管理侧字段更新、软删/恢复,以及 dedup 扫描/归档所需 repo 能力 - 审计操作补齐 archive / restore 3. Memory 读侧与注入侧观测补齐 - HybridRetrieve 返回 telemetry,统一记录 pinned hit / semantic hit / dedup drop / degraded / RAG fallback,并上报读取命中、去重丢弃、RAG 降级指标 - AgentService 持有 memory observer / metrics;injectMemoryContext 对读取失败、空注入、成功注入补齐结构化日志与注入计数 4. Worker / 决策 / 向量同步链路治理增强 - 召回结果显式携带 fallbackMode;hash 精确命中、rag→mysql 降级、最终动作统一写入决策观测 - 接入 vectorSyncer / observer / metrics;为 job 重试、任务成功/失败、决策分布与 fallback 补齐打点;向量 upsert/delete 统一改走公共 Syncer,并收敛 parseMemoryID 解析逻辑 5. 启动层接入 Memory 观测依赖 - 启动时创建 LoggerObserver + MetricsRegistry,并通过 NewModuleWithObserve 注入 memory 模块 前端:无 仓库:无
This commit is contained in:
158
backend/memory/observe/metrics.go
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158
backend/memory/observe/metrics.go
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package observe
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import (
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"sort"
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"strings"
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"sync"
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)
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// CounterSnapshot 是轻量计数器的快照视图,供后续排障或接平台时读取。
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type CounterSnapshot struct {
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Name string
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Labels map[string]string
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Value int64
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}
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// MetricsRecorder 描述 memory 模块对计数器的最小依赖。
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type MetricsRecorder interface {
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AddCounter(name string, delta int64, labels map[string]string)
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Snapshot() []CounterSnapshot
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}
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// NewNopMetrics 返回空实现,保证无观测平台时仍可安全运行。
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func NewNopMetrics() MetricsRecorder {
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return nopMetrics{}
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}
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type nopMetrics struct{}
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func (nopMetrics) AddCounter(string, int64, map[string]string) {}
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func (nopMetrics) Snapshot() []CounterSnapshot {
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return nil
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}
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// MetricsRegistry 是 memory 模块当前阶段的轻量内存计数器实现。
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//
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// 职责边界:
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// 1. 只做线程安全计数,不负责导出协议;
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// 2. 标签做低基数归一化,避免治理期临时字段把指标打爆;
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// 3. 后续若项目统一接 Prometheus,可直接保留调用口径并替换实现。
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type MetricsRegistry struct {
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mu sync.RWMutex
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counters map[string]*counterRecord
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}
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type counterRecord struct {
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name string
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labels map[string]string
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value int64
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}
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func NewMetricsRegistry() *MetricsRegistry {
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return &MetricsRegistry{
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counters: make(map[string]*counterRecord),
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}
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}
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// AddCounter 追加计数值;delta<=0 时直接忽略,避免脏数据污染快照。
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func (r *MetricsRegistry) AddCounter(name string, delta int64, labels map[string]string) {
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if r == nil || delta <= 0 {
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return
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}
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name = strings.TrimSpace(name)
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if name == "" {
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return
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}
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normalizedLabels := normalizeLabels(labels)
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key := buildCounterKey(name, normalizedLabels)
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r.mu.Lock()
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defer r.mu.Unlock()
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if existing, ok := r.counters[key]; ok {
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existing.value += delta
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return
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}
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r.counters[key] = &counterRecord{
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name: name,
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labels: normalizedLabels,
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value: delta,
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}
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}
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// Snapshot 返回当前全部计数器快照,便于后续排障或测试读取。
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func (r *MetricsRegistry) Snapshot() []CounterSnapshot {
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if r == nil {
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return nil
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}
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r.mu.RLock()
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defer r.mu.RUnlock()
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if len(r.counters) == 0 {
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return nil
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}
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keys := make([]string, 0, len(r.counters))
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for key := range r.counters {
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keys = append(keys, key)
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}
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sort.Strings(keys)
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result := make([]CounterSnapshot, 0, len(keys))
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for _, key := range keys {
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record := r.counters[key]
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labels := make(map[string]string, len(record.labels))
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for labelKey, labelValue := range record.labels {
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labels[labelKey] = labelValue
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}
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result = append(result, CounterSnapshot{
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Name: record.name,
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Labels: labels,
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Value: record.value,
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})
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}
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return result
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}
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func normalizeLabels(labels map[string]string) map[string]string {
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if len(labels) == 0 {
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return nil
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}
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result := make(map[string]string, len(labels))
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for key, value := range labels {
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key = strings.TrimSpace(key)
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value = strings.TrimSpace(value)
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if key == "" || value == "" {
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continue
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}
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result[key] = value
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}
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if len(result) == 0 {
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return nil
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}
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return result
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}
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func buildCounterKey(name string, labels map[string]string) string {
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if len(labels) == 0 {
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return name
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}
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keys := make([]string, 0, len(labels))
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for key := range labels {
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keys = append(keys, key)
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}
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sort.Strings(keys)
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var sb strings.Builder
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sb.WriteString(name)
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for _, key := range keys {
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sb.WriteString("|")
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sb.WriteString(key)
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sb.WriteString("=")
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sb.WriteString(labels[key])
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}
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return sb.String()
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}
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