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耗子andClaude Opus 4.7
f024381660
- 网站统计聚合器 flush 失败也 commit（丢弃已 drain 增量），防止 DB 长期不可写时内存无界累积导致 OOM/CPU 100% - 势态感知同样在 upsert 失败时上报健康问题 - 新增 internal/app.Health 全局健康状态注册表，通过 /home/health 暴露 - 前端 layout 顶部新增 HealthBanner，DB 故障时红色横幅提醒并给出修复引导 - acepanel fix 检测数据库损坏改用 PRAGMA quick_check，能识别 malformed 等仅在查询时才暴露的静默损坏 - 主库与辅助库 DSN 一律设为 synchronous(FULL)，减少宿主 write-back 缓存丢失 fsync 导致的损坏概率 - 移除 debug.SetMemoryLimit(256MB)：软上限在活对象超限时会驱动 GC 反复 追赶不可回收对象，反而放大 CPU 打满 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
package app
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import (
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"sort"
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"sync"
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"time"
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)
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// HealthLevelError 需要用户立即处理
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const HealthLevelError = "error"
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// HealthLevelWarning 提示性问题，通常已被系统自动降级处理
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const HealthLevelWarning = "warning"
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// HealthIssue 单条健康问题
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// Key 为稳定标识符（如 database:stat），前端据此选择翻译文案
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// Message 为原始错误详情，供诊断参考
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type HealthIssue struct {
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Key string `json:"key"`
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Level string `json:"level"`
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Message string `json:"message"`
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Since time.Time `json:"since"`
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}
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type healthRegistry struct {
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mu sync.RWMutex
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issues map[string]HealthIssue
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}
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// Health 全局健康状态注册表，供各后台任务上报/清除故障
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var Health = &healthRegistry{issues: make(map[string]HealthIssue)}
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// Report 上报或更新一条健康问题
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// 同 key 重复上报时保留首次上报时间，仅更新 message 和 level
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func (h *healthRegistry) Report(key, level, message string) {
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h.mu.Lock()
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defer h.mu.Unlock()
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if existing, ok := h.issues[key]; ok {
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existing.Level = level
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existing.Message = message
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h.issues[key] = existing
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return
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}
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h.issues[key] = HealthIssue{
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Key: key,
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Level: level,
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Message: message,
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Since: time.Now(),
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}
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}
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// Clear 清除指定 key 的健康问题
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func (h *healthRegistry) Clear(key string) {
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h.mu.Lock()
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defer h.mu.Unlock()
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delete(h.issues, key)
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}
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// Snapshot 返回当前所有健康问题，按 Since 升序（越早发生越靠前）
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func (h *healthRegistry) Snapshot() []HealthIssue {
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h.mu.RLock()
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defer h.mu.RUnlock()
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result := make([]HealthIssue, 0, len(h.issues))
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for _, issue := range h.issues {
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result = append(result, issue)
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}
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sort.Slice(result, func(i, j int) bool {
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return result[i].Since.Before(result[j].Since)
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})
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return result
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}
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