perf: dashboard 默认6小时查询(减73%扫描行) + 7天自动清理 + 5分钟自动刷新
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@@ -164,6 +164,18 @@ func main() {
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// 注册路由
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routes.Register(r, db, log, cfg, cache)
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// 定期清理旧的 agent 上报数据(保留 7 天,防止表膨胀影响查询性能)
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go func() {
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ticker := time.NewTicker(24 * time.Hour)
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defer ticker.Stop()
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for range ticker.C {
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result := db.Exec("DELETE FROM monitor_agent_reports WHERE report_time < DATE_SUB(NOW(), INTERVAL 7 DAY)")
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if result.RowsAffected > 0 {
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log.Info("清理过期的 agent 上报数据", zap.Int64("rows", result.RowsAffected))
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}
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}
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}()
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// 前端静态文件服务(go:embed 模式,二进制部署用) // Logan.Li
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setupFrontend(r)
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