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Example code of hyperf-apex/metrics

Informations about the package metrics

hyperf-apex/metrics

基于 Swoole Table 共享内存的低基数运行指标：Prometheus 抓取端点、请求耗时拦截、以及一个运维大屏。

安装

端点

端点 用途
GET /metrics Prometheus 抓取（文本格式）
GET /metrics/dashboard 运维大屏页面
GET /metrics/overview 大屏数据（大屏页面自己取它）

访问控制由 metrics.allow_ips 决定，默认只允许本机（127.0.0.1,::1）—— 抓取方在容器/另一台机器上时 需要显式放行，否则拿到的是 403。

配置项

键 环境变量（默认值） 说明
metrics.enabled METRICS_ENABLED（true） 关掉后不注册端点与拦截器
metrics.table_size METRICS_TABLE_SIZE（65536） 指标表行数
metrics.gauge_cache_ttl_seconds METRICS_GAUGE_CACHE_TTL_SECONDS（15） 采集器结果缓存时长（用单调时钟计时）
metrics.process_table_size METRICS_PROCESS_TABLE_SIZE（64） 进程维度的行数
metrics.pool_snapshot_ttl_seconds METRICS_POOL_SNAPSHOT_TTL_SECONDS（30） 连接池快照缓存时长
metrics.histogram_buckets — 直方图分桶
metrics.allow_ips METRICS_ALLOW_IPS（127.0.0.1,::1） 允许访问端点的来源，支持 CIDR
metrics.collectors — 采集器清单
metrics.overview.enabled METRICS_OVERVIEW_ENABLED（true） 是否启用大屏
metrics.overview.refresh_seconds METRICS_OVERVIEW_REFRESH_SECONDS（10） 大屏刷新间隔
metrics.overview.aggregates — 大屏聚合项
metrics.overview.thresholds — 大屏告警阈值（错误率、P95、积压、连接池超时等）
metrics.definitions — 自定义指标定义（type / help / labels）

内置指标

指标 类型 标签
core_http_requests_total counter method、route、status_class
core_http_request_duration_seconds histogram method、route
core_http_unhandled_exceptions_total counter route
core_outbound_requests_total counter target、result
core_outbound_request_duration_seconds histogram target
core_pool_wait_seconds histogram pool
core_pool_timeout_total counter pool
core_metrics_series_dropped_total counter metric

装了 hyperf-apex/websocket 时另有一组连接类指标（连接数、容量、空闲连接数）—— 连接索引不可用（未启用网关）时整组不输出，而不是给出一串 0。

说明

All versions of metrics with dependencies

PHP Build Version
Package Version
Requires php Version >=8.4
hyperf-apex/core Version ^0.1
hyperf/memory Version ~3.2.0
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