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feat: expose graceful drain state

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k2safe
2026-09-20 20:15:36 +08:00
parent 9153ddf85f
commit 99e2a00fcf
6 changed files with 22 additions and 2 deletions
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docs/api/observability.md
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@@ -69,6 +69,7 @@ curl -fsS http://127.0.0.1:9090/metrics
| `orbit_business_snapshot_last_success_timestamp_seconds` | gauge | 最近一次完整成功快照的Unix时间；失败不会推进 |
| `orbit_business_snapshot_truncated` | gauge | 任一固定状态达到10000上限时为1，否则为0 |
| `orbit_process_start_time_seconds` / `orbit_process_uptime_seconds` | gauge | 本次指标注册器初始化Unix时间/单调时钟经过的秒数；初始化发生在数据库启动校验之后 |
| `orbit_process_draining` | gauge | 节点是否正在优雅排空；0为服务中，1为排空中 |
| `orbit_go_goroutines` | gauge | Go协程数，按5秒采样 |
| `orbit_build_info{go_version,version,revision}` | gauge | 恒为1，导出当前Go版本、发布版本和源码提交；构建时间及完整协议身份通过 `/version` 获取 |
| `orbit_observability_rejected_samples_total` | counter | 内部不合法指标更新次数，正常运行应为0 |