feat: tune websocket hub backpressure

This commit is contained in:
2026-09-20 20:53:50 +08:00
parent 850376624f
commit 478be069e6
16 changed files with 218 additions and 52 deletions

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@@ -12,6 +12,12 @@ ORBIT_RECOVERY_TICK_INTERVAL=2s
ORBIT_RUNTIME_BATCH_LIMIT=100
# 收到 SIGTERM 后的排空与优雅关闭窗口,范围1s–5m,默认10s。
ORBIT_SHUTDOWN_TIMEOUT=10s
# 单节点 Worker/Event WebSocket 连接上限,范围1–4096;连接数仍受数据库和业务容量约束。
ORBIT_WORKER_CONNECTION_LIMIT=128
ORBIT_EVENT_CONNECTION_LIMIT=128
# 每个 WebSocket Hub 的数据库领取并发和有界内存排队,范围分别为1–256、1–65536。
ORBIT_DISPATCH_WORKERS=4
ORBIT_DISPATCH_CAPACITY=128
# Empty disables metrics. To enable a separate private listener, use e.g.
# ORBIT_METRICS_ADDR=127.0.0.1:9090. Never expose it on the public API ingress.
ORBIT_METRICS_ADDR=

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@@ -70,11 +70,15 @@ func run() error {
defer metricsListener.Close()
metrics = observability.NewRegistry()
metrics.RecordRuntimeConfig(observability.RuntimeConfig{
WorkflowTickInterval: cfg.WorkflowTickInterval,
ScheduleTickInterval: cfg.ScheduleTickInterval,
RecoveryTickInterval: cfg.RecoveryTickInterval,
BatchLimit: cfg.RuntimeBatchLimit,
ShutdownTimeout: cfg.ShutdownTimeout,
WorkflowTickInterval: cfg.WorkflowTickInterval,
ScheduleTickInterval: cfg.ScheduleTickInterval,
RecoveryTickInterval: cfg.RecoveryTickInterval,
BatchLimit: cfg.RuntimeBatchLimit,
ShutdownTimeout: cfg.ShutdownTimeout,
WorkerConnectionLimit: cfg.WorkerConnectionLimit,
EventConnectionLimit: cfg.EventConnectionLimit,
DispatchWorkers: cfg.DispatchWorkers,
DispatchCapacity: cfg.DispatchCapacity,
})
metrics.RecordDatabase(db.Stats())
}
@@ -88,10 +92,18 @@ func run() error {
if err != nil {
return err
}
hub := httpserver.NewWorkerHub(root, worker.New(executions))
hub := httpserver.NewWorkerHub(root, worker.New(executions), httpserver.HubOptions{
ConnectionLimit: cfg.WorkerConnectionLimit,
DispatchWorkers: cfg.DispatchWorkers,
DispatchCapacity: cfg.DispatchCapacity,
})
httpserver.RegisterWorkers(server, hub)
eventService := events.New(mysql.NewEventStore(db))
eventHub := httpserver.NewEventHub(root, eventService)
eventHub := httpserver.NewEventHub(root, eventService, httpserver.HubOptions{
ConnectionLimit: cfg.EventConnectionLimit,
DispatchWorkers: cfg.DispatchWorkers,
DispatchCapacity: cfg.DispatchCapacity,
})
httpserver.RegisterEventSubscriptions(server, eventService)
httpserver.RegisterEventConsumers(server, eventHub)
defer func() {
@@ -250,7 +262,7 @@ func run() error {
slog.Info("Orbit metrics server starting", "metrics_address", metricsListener.Addr().String())
}
go func() { done <- server.Serve(listener) }()
slog.Info("Orbit HTTP server starting", "address", listener.Addr().String(), "scope", "health, task, queue, schedule, subscription, workflow and Worker APIs", "node_id", node, "workflow_tick_interval", cfg.WorkflowTickInterval.String(), "schedule_tick_interval", cfg.ScheduleTickInterval.String(), "recovery_tick_interval", cfg.RecoveryTickInterval.String(), "runtime_batch_limit", cfg.RuntimeBatchLimit, "shutdown_timeout", cfg.ShutdownTimeout.String())
slog.Info("Orbit HTTP server starting", "address", listener.Addr().String(), "scope", "health, task, queue, schedule, subscription, workflow and Worker APIs", "node_id", node, "workflow_tick_interval", cfg.WorkflowTickInterval.String(), "schedule_tick_interval", cfg.ScheduleTickInterval.String(), "recovery_tick_interval", cfg.RecoveryTickInterval.String(), "runtime_batch_limit", cfg.RuntimeBatchLimit, "shutdown_timeout", cfg.ShutdownTimeout.String(), "worker_connection_limit", cfg.WorkerConnectionLimit, "event_connection_limit", cfg.EventConnectionLimit, "dispatch_workers", cfg.DispatchWorkers, "dispatch_capacity", cfg.DispatchCapacity)
select {
case err := <-done:
if errors.Is(err, http.ErrServerClosed) {

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@@ -81,7 +81,7 @@ P4/P5定时等待与后续查询轮次的实现及回归记录见[时钟报告](
### P6 首批实施顺序
1. 已补[首批可复现故障工具](reports/phase-6-fault-boundaries.md):A04“派发已提交但消息尚未送达”、W01/W13事务提交结果不明,以及W16最终回执/旧PENDING结果重放/下一轮竞争。迁移器同时提供当前版本无外键新装基线;每个切点必须有实际数据库或进程证据,不能用响应错误推断事务是否已提交,也不能用普通SIGNAL竞争替代最终查询场景。
2. 已实现[基础运行观测](api/observability.md)及[有界业务状态与事件采样](reports/phase-6-business-observability.md):HTTP/WS、数据库连接池、后台批次、固定任务/交付/流程/Inbox状态计数、最近事件类别、终态耗时样本、固定事件阶段耗时、最早年龄、截断/新鲜度指标和可离线验证的告警规则;独立采集监听默认关闭,固定指标目录拒绝动态标签;发布前只读结构核验由[`orbit-admin verify`](api/operations.md)提供,运维人员也可用 `orbit-admin observe snapshot` 获取同一有界单节点快照;后台循环间隔和批量上限已支持有界环境配置并在启动日志中记录。仍需端到端外部效果延迟、全局持久吞吐、Inbox从事件产生到推进完成的精确阶段延迟、全局发送队列、多节点聚合及生产采集/通知验证;SDK受控重连风暴和真实慢消费者背压已补[边界回归](reports/phase-6-reconnect-storm.md)与[慢消费者报告](reports/phase-6-slow-consumer.md),跨节点重连仍待目标拓扑。
2. 已实现[基础运行观测](api/observability.md)及[有界业务状态与事件采样](reports/phase-6-business-observability.md):HTTP/WS、数据库连接池、后台批次、固定任务/交付/流程/Inbox状态计数、最近事件类别、终态耗时样本、固定事件阶段耗时、最早年龄、截断/新鲜度指标和可离线验证的告警规则;独立采集监听默认关闭,固定指标目录拒绝动态标签;发布前只读结构核验由[`orbit-admin verify`](api/operations.md)提供,运维人员也可用 `orbit-admin observe snapshot` 获取同一有界单节点快照;后台循环间隔、批量上限、Worker/Event连接上限、Hub领取协程和有界内存排队均支持有界环境配置,并在启动日志和固定指标中记录。仍需端到端外部效果延迟、全局持久吞吐、Inbox从事件产生到推进完成的精确阶段延迟、全局发送队列、多节点聚合及生产采集/通知验证;SDK受控重连风暴和真实慢消费者背压已补[边界回归](reports/phase-6-reconnect-storm.md)与[慢消费者报告](reports/phase-6-slow-consumer.md),跨节点重连仍待目标拓扑。
3. 已补齐受保护管理环境中的固定凭据操作文件、轮换、撤销、提交不明故障切点、幂等回执和脱敏管理审计;轮换保留授权绑定并要求新令牌重新建立会话,旧 Worker 会话被排空且立即过期,撤销允许在停用范围内执行且不改写历史记录。已用一次性 MySQL 定向验证旧令牌失效、新令牌重绑和零外键;仍需多节点安全重绑演练、凭据最小权限配置核对和生产密钥托管/审计演练。
4. 已补[`orbit-admin retention inventory`](api/retention.md)只读盘点和[阶段报告](reports/phase-6-retention-inventory.md),能区分过期幂等、确定终态、未知效果、未终结流程、已确认/未确认交付、已消费/未消费Inbox、事件和审计规模;它不执行归档或删除。已补[容量模型](19-capacity-model.md),把企业数转换为任务、流程、事件、连接、写放大和保留期输入;仍需评审各类保留周期、归档格式、受保护记录核对,再执行备份恢复、兼容升级和六类容量负载。未确认交付、有效幂等身份、当前/历史执行证据和未终结流程不能被普通清理破坏。生产HA及RPO/RTO继续按实际拓扑验证,不缩减为本机多进程检查。
5. 已补[`orbit-load`](api/load.md)有界受理负载工具及24次/1000次隔离样本,见[受理报告](reports/phase-6-load.md)。新增独立[`orbit-exec-load`](api/execution-load.md),通过真实Worker、任务结果和尝试历史核对,提供短/混合/中长任务的受理、排队、授权执行及完成耗时分布;具体环境、原始JSON和失败分母见[执行测量报告](reports/phase-6-execution-load.md)。新增[`orbit-workflow-load`](api/workflow-load.md),用本次发布版本的双分支并行流程,逐个核对不同任务、唯一尝试、来源、精确输出与本地调用;24/100实例及24实例截止负例已重新构建回归并绑定源码/二进制哈希,见[流程测量报告](reports/phase-6-workflow-load.md)。新增[`orbit-schedule-load`](api/schedule-load.md),已完成24/128次定时集中触发与24次计划量的截止负例,保存实际分母、唯一任务/尝试、来源与暂停收尾证据,见[定时测量报告](reports/phase-6-schedule-load.md)。Go 1.27.1 模块级门禁、MySQL 存储集成、关键 SDK/Orbit 进程故障组、24个可运行 SDK 示例真实服务串跑和 result-inbox/task-outbox 真实业务集成已复跑通过。已补[长期积压与资源曲线样本](reports/phase-6-backlog.md):32×8 共256个触发点,在1个Worker/容量1和180秒截止下保留173个成功、83个未核验任务,并以独立数据库读取记录等待积压曲线;该单节点样本不替代目标拓扑容量。SDK受控重连风暴及[真实慢消费者背压](reports/phase-6-slow-consumer.md)已补边界回归;下一步补指标采集对照、长期存储增长、跨节点重连与目标数据库拓扑容量。

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@@ -45,7 +45,7 @@ curl -fsS http://127.0.0.1:8080/health/ready
`live` 只表示进程仍在运行;`ready` 同时核对 MySQL、迁移账本和零外键要求。收到 `503` 时停止向该节点发送新的受理、执行授权和流程推进请求,保留原幂等键并等待核对,不把网络错误当作业务失败。
后台调度默认每秒检查 Weave 和计划、每两秒执行一次执行恢复,每批最多处理100条持久化候选。容量验证后可以通过 `ORBIT_WORKFLOW_TICK_INTERVAL`、`ORBIT_SCHEDULE_TICK_INTERVAL`、`ORBIT_RECOVERY_TICK_INTERVAL` 和 `ORBIT_RUNTIME_BATCH_LIMIT` 调整;间隔只允许 `100ms` 到 `1m`,批量只允许 `1` 到 `100`。`ORBIT_SHUTDOWN_TIMEOUT` 控制 SIGTERM 后的排空和优雅关闭窗口,允许 `1s` 到 `5m`,默认 `10s`。调优必须和数据库锁等待、连接池、积压及恢复窗口一起记录,不能只提高批量或缩短间隔来掩盖容量不足。
后台调度默认每秒检查 Weave 和计划、每两秒执行一次执行恢复,每批最多处理100条持久化候选。容量验证后可以通过 `ORBIT_WORKFLOW_TICK_INTERVAL`、`ORBIT_SCHEDULE_TICK_INTERVAL`、`ORBIT_RECOVERY_TICK_INTERVAL` 和 `ORBIT_RUNTIME_BATCH_LIMIT` 调整;间隔只允许 `100ms` 到 `1m`,批量只允许 `1` 到 `100`。`ORBIT_SHUTDOWN_TIMEOUT` 控制 SIGTERM 后的排空和优雅关闭窗口,允许 `1s` 到 `5m`,默认 `10s`。Worker/Event WebSocket 连接上限分别由 `ORBIT_WORKER_CONNECTION_LIMIT`、`ORBIT_EVENT_CONNECTION_LIMIT` 控制,范围 `1` 到 `4096`;每个 Hub 的数据库领取协程和有界内存排队由 `ORBIT_DISPATCH_WORKERS`、`ORBIT_DISPATCH_CAPACITY` 控制,范围分别为 `1` 到 `256`、`1` 到 `65536`。这些参数只影响单节点内存和领取并发,真实授权、租约和配额仍由 MySQL 决定。调优必须和数据库锁等待、连接池、积压及恢复窗口一起记录,不能只提高批量或缩短间隔来掩盖容量不足。
## 3. 滚动停止与替换

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@@ -54,6 +54,10 @@ docker run --rm \
--env ORBIT_SCHEDULE_TICK_INTERVAL=1s \
--env ORBIT_RECOVERY_TICK_INTERVAL=2s \
--env ORBIT_SHUTDOWN_TIMEOUT=10s \
--env ORBIT_WORKER_CONNECTION_LIMIT=128 \
--env ORBIT_EVENT_CONNECTION_LIMIT=128 \
--env ORBIT_DISPATCH_WORKERS=4 \
--env ORBIT_DISPATCH_CAPACITY=128 \
--env ORBIT_METRICS_ADDR=127.0.0.1:9090 \
--publish 8080:8080 \
registry.example/orbit:dev

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@@ -27,7 +27,7 @@ curl -fsS http://127.0.0.1:9090/metrics
每节点同时最多2个采集请求,超出返回503及 `Retry-After: 1`,不排无限等待队列。独立HTTP服务器的读头/读/写/空闲超时分别为2/3/5/15秒,头部限制8 KiB。每次HTTP采集只访问进程内存,不查询业务表;DB池快照在启动时及之后每5秒读取 `database/sql.DBStats`,该调用不执行SQL。指标启用后同一个5秒后台采样器另外执行一次有界业务快照:查询固定状态、固定表和固定索引,单状态或事件类别最多读取10000条;固定事件类别窗口为最近5分钟;数据库调用使用900ms截止时间;失败只增加错误/超时计数并保留上次成功值,不改变业务事务。
所有指标名称、类型、标签名和取值在代码目录中固定。未知名称、错误类型、非法标签、非有限数值和计数器倒退会被丢弃,并增加 `orbit_observability_rejected_samples_total`。新增指标需要修改目录和回归,不允许业务方动态注册标签。HTTP标签为8种方法、12种路由分类和6种状态分类,两组HTTP族各最多576种标签组合。禁止将任务/流程/租户ID、业务键、URL、参数、原始错误或凭据写入指标。
所有指标名称、类型、标签名和取值在代码目录中固定。未知名称、错误类型、非法标签、非有限数值和计数器倒退会被丢弃,并增加 `orbit_observability_rejected_samples_total`。新增指标需要修改目录和回归,不允许业务方动态注册标签。HTTP标签为8种方法、12种路由分类和6种状态分类,两组HTTP族各最多576种标签组合。禁止将任务/流程/租户ID、业务键、URL、参数、原始错误或凭据写入指标。Worker/Event连接上限、Hub领取协程数和内存排队槽位也以固定基数导出,便于核对节点实际生效的背压边界。
格式化输出前只短暂复制注册器引用;不在全局记录锁下排序、格式化或写网络。直方图的桶、count、sum在同一局部锁下获取,保持单条直方图快照一致。指标在重启后重置,不能用于账务审计、幂等判断或恢复授权。
@@ -47,6 +47,10 @@ curl -fsS http://127.0.0.1:9090/metrics
| `orbit_runtime_tick_interval_seconds{component}` | gauge | 节点实际生效的后台扫描间隔,component为workflow、schedule、execution_recovery |
| `orbit_runtime_batch_limit` | gauge | 节点实际生效的后台批量上限 |
| `orbit_shutdown_timeout_seconds` | gauge | 节点实际生效的排空与优雅关闭窗口(秒) |
| `orbit_worker_connection_limit` | gauge | 节点实际生效的 Worker WebSocket 连接上限 |
| `orbit_event_connection_limit` | gauge | 节点实际生效的 Event WebSocket 连接上限 |
| `orbit_dispatch_workers` | gauge | 每个 WebSocket Hub 同时执行数据库领取调用的协程上限 |
| `orbit_dispatch_capacity` | gauge | 每个 WebSocket Hub 领取调用的有界内存排队槽位 |
| `orbit_db_connections_open` / `orbit_db_connections_in_use` / `orbit_db_connections_idle` | gauge | 本节点MySQL连接池当前连接数 |
| `orbit_db_connections_max_open` | gauge | 池配置的最大连接数 |
| `orbit_db_wait_count_total` / `orbit_db_wait_duration_seconds_total` | counter | 连接池累计等待次数/秒数,不是数据库锁等待 |

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@@ -13,6 +13,7 @@
| 服务端单元与竞态、vet、构建 | Docker `golang:1.27.1`,仓库声明版本;`GOWORK=off go test -race ./... && go vet ./... && go build ./...` | PASS |
| 后台运行参数边界 | `internal/config.TestRuntimeDefaultsAndBoundedOverrides`;默认值与五个 `ORBIT_*` 覆盖项 | PASS;循环间隔限定100ms–1m,批量限定1–100,排空超时限定1s–5m,服务启动日志记录生效值 |
| 生效运行参数指标 | `internal/observability.TestRuntimeObservationDoesNotExposeErrors`;固定指标目录 | PASS;workflow/schedule/execution_recovery 间隔、批量上限和排空超时以固定基数指标导出;排空状态同步为固定 gauge,不进入业务或租户标签 |
| WebSocket Hub 背压参数 | 2026-09-20;`go test -race ./internal/config ./internal/observability ./internal/transport/httpserver ./cmd/orbit` | PASS;Worker/Event 连接上限、每个 Hub 的领取协程和有界内存排队可由环境配置,范围校验、应用和固定运行指标均有测试;持久化授权、租约和配额规则不由内存参数替代 |
| SDK 与独立示例竞态、vet、构建 | Docker `golang:1.27.1`;SDK 全 module、全部示例、`orbit-load`、`orbit-exec-load`、`orbit-schedule-load`、`orbit-workflow-load`,以及 result-inbox/task-outbox | PASS;健康/版本 SDK 契约包含 `Client.Version(ctx)`,返回协议身份且不暴露敏感响应 |
| 容器发布物构建 | `make image`;宿主平台 linux/arm64;显式 `docker build --platform linux/amd64`;带 `VERSION`、`REVISION`、`BUILD_TIME` 构建参数的版本化镜像;镜像内 `GOWORK=off` | PASS;native 与 amd64 镜像均构建成功,包含 `orbit`、`orbit-migrate`、`orbit-admin`,运行用户为非 root;版本化 amd64 二进制和 OCI 标签均包含注入的构建身份,`GET /version` 契约单测通过;无 DSN 时服务按预期拒绝启动 |
| 当前协议门禁 | `make protocol-check` | PASS,当前 v1 契约同步 |

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@@ -10,31 +10,39 @@ import (
)
type Config struct {
HTTPAddr string
MySQLDSN string
MaxOpen int
MaxIdle int
MetricsAddr string
WorkflowTickInterval time.Duration // WorkflowTickInterval Weave 持久化推进扫描间隔,范围100ms–1m。
ScheduleTickInterval time.Duration // ScheduleTickInterval 计划扫描间隔,范围100ms–1m。
RecoveryTickInterval time.Duration // RecoveryTickInterval 执行租约恢复扫描间隔,范围100ms–1m。
RuntimeBatchLimit int // RuntimeBatchLimit 每个后台批次的候选上限,范围1–100。
ShutdownTimeout time.Duration // ShutdownTimeout 优雅排空和关闭窗口,范围1s–5m。
HTTPAddr string
MySQLDSN string
MaxOpen int
MaxIdle int
MetricsAddr string
WorkflowTickInterval time.Duration // WorkflowTickInterval Weave 持久化推进扫描间隔,范围100ms–1m。
ScheduleTickInterval time.Duration // ScheduleTickInterval 计划扫描间隔,范围100ms–1m。
RecoveryTickInterval time.Duration // RecoveryTickInterval 执行租约恢复扫描间隔,范围100ms–1m。
RuntimeBatchLimit int // RuntimeBatchLimit 每个后台批次的候选上限,范围1–100。
ShutdownTimeout time.Duration // ShutdownTimeout 优雅排空和关闭窗口,范围1s–5m。
WorkerConnectionLimit int // WorkerConnectionLimit 单节点 Worker WebSocket 连接上限,范围1–4096。
EventConnectionLimit int // EventConnectionLimit 单节点 Event WebSocket 连接上限,范围1–4096。
DispatchWorkers int // DispatchWorkers 单个 Hub 并发执行数据库领取调用的协程数,范围1–256。
DispatchCapacity int // DispatchCapacity 单个 Hub 领取调用的有界内存排队槽位,范围1–65536。
}
func Load() (Config, error) { return FromEnv(os.Getenv) }
func FromEnv(get func(string) string) (Config, error) {
c := Config{
HTTPAddr: get("ORBIT_HTTP_ADDR"),
MySQLDSN: get("ORBIT_MYSQL_DSN"),
MaxOpen: 20,
MaxIdle: 5,
MetricsAddr: get("ORBIT_METRICS_ADDR"),
WorkflowTickInterval: time.Second,
ScheduleTickInterval: time.Second,
RecoveryTickInterval: 2 * time.Second,
RuntimeBatchLimit: 100,
ShutdownTimeout: 10 * time.Second,
HTTPAddr: get("ORBIT_HTTP_ADDR"),
MySQLDSN: get("ORBIT_MYSQL_DSN"),
MaxOpen: 20,
MaxIdle: 5,
MetricsAddr: get("ORBIT_METRICS_ADDR"),
WorkflowTickInterval: time.Second,
ScheduleTickInterval: time.Second,
RecoveryTickInterval: 2 * time.Second,
RuntimeBatchLimit: 100,
ShutdownTimeout: 10 * time.Second,
WorkerConnectionLimit: 128,
EventConnectionLimit: 128,
DispatchWorkers: 4,
DispatchCapacity: 128,
}
if c.HTTPAddr == "" {
c.HTTPAddr = "127.0.0.1:8080"
@@ -86,6 +94,25 @@ func FromEnv(get func(string) string) (Config, error) {
}
c.ShutdownTimeout = d
}
for _, field := range []struct {
name string
dst *int
min int
max int
}{
{"ORBIT_WORKER_CONNECTION_LIMIT", &c.WorkerConnectionLimit, 1, 4096},
{"ORBIT_EVENT_CONNECTION_LIMIT", &c.EventConnectionLimit, 1, 4096},
{"ORBIT_DISPATCH_WORKERS", &c.DispatchWorkers, 1, 256},
{"ORBIT_DISPATCH_CAPACITY", &c.DispatchCapacity, 1, 65536},
} {
if raw := get(field.name); raw != "" {
n, err := strconv.Atoi(raw)
if err != nil || n < field.min || n > field.max {
return Config{}, fmt.Errorf("%s must be an integer from %d to %d", field.name, field.min, field.max)
}
*field.dst = n
}
}
if c.MetricsAddr != "" {
_, port, err := net.SplitHostPort(c.MetricsAddr)
n, parseErr := strconv.Atoi(port)

View File

@@ -9,7 +9,7 @@ func TestRuntimeDefaultsAndBoundedOverrides(t *testing.T) {
base := map[string]string{"ORBIT_MYSQL_DSN": "private-dsn"}
get := func(k string) string { return base[k] }
c, err := FromEnv(get)
if err != nil || c.WorkflowTickInterval != time.Second || c.ScheduleTickInterval != time.Second || c.RecoveryTickInterval != 2*time.Second || c.RuntimeBatchLimit != 100 || c.ShutdownTimeout != 10*time.Second {
if err != nil || c.WorkflowTickInterval != time.Second || c.ScheduleTickInterval != time.Second || c.RecoveryTickInterval != 2*time.Second || c.RuntimeBatchLimit != 100 || c.ShutdownTimeout != 10*time.Second || c.WorkerConnectionLimit != 128 || c.EventConnectionLimit != 128 || c.DispatchWorkers != 4 || c.DispatchCapacity != 128 {
t.Fatalf("unexpected runtime defaults: %+v err=%v", c, err)
}
base["ORBIT_WORKFLOW_TICK_INTERVAL"] = "250ms"
@@ -17,16 +17,24 @@ func TestRuntimeDefaultsAndBoundedOverrides(t *testing.T) {
base["ORBIT_RECOVERY_TICK_INTERVAL"] = "1m"
base["ORBIT_RUNTIME_BATCH_LIMIT"] = "37"
base["ORBIT_SHUTDOWN_TIMEOUT"] = "45s"
base["ORBIT_WORKER_CONNECTION_LIMIT"] = "512"
base["ORBIT_EVENT_CONNECTION_LIMIT"] = "256"
base["ORBIT_DISPATCH_WORKERS"] = "16"
base["ORBIT_DISPATCH_CAPACITY"] = "2048"
c, err = FromEnv(get)
if err != nil || c.WorkflowTickInterval != 250*time.Millisecond || c.ScheduleTickInterval != 1500*time.Millisecond || c.RecoveryTickInterval != time.Minute || c.RuntimeBatchLimit != 37 || c.ShutdownTimeout != 45*time.Second {
if err != nil || c.WorkflowTickInterval != 250*time.Millisecond || c.ScheduleTickInterval != 1500*time.Millisecond || c.RecoveryTickInterval != time.Minute || c.RuntimeBatchLimit != 37 || c.ShutdownTimeout != 45*time.Second || c.WorkerConnectionLimit != 512 || c.EventConnectionLimit != 256 || c.DispatchWorkers != 16 || c.DispatchCapacity != 2048 {
t.Fatalf("valid runtime override rejected: %+v err=%v", c, err)
}
for key, value := range map[string]string{
"ORBIT_WORKFLOW_TICK_INTERVAL": "99ms",
"ORBIT_SCHEDULE_TICK_INTERVAL": "2m",
"ORBIT_RECOVERY_TICK_INTERVAL": "not-a-duration",
"ORBIT_RUNTIME_BATCH_LIMIT": "101",
"ORBIT_SHUTDOWN_TIMEOUT": "500ms",
"ORBIT_WORKFLOW_TICK_INTERVAL": "99ms",
"ORBIT_SCHEDULE_TICK_INTERVAL": "2m",
"ORBIT_RECOVERY_TICK_INTERVAL": "not-a-duration",
"ORBIT_RUNTIME_BATCH_LIMIT": "101",
"ORBIT_SHUTDOWN_TIMEOUT": "500ms",
"ORBIT_WORKER_CONNECTION_LIMIT": "0",
"ORBIT_EVENT_CONNECTION_LIMIT": "4097",
"ORBIT_DISPATCH_WORKERS": "257",
"ORBIT_DISPATCH_CAPACITY": "65537",
} {
base[key] = value
if _, err := FromEnv(get); err == nil {

View File

@@ -66,5 +66,9 @@ func catalog() map[string]descriptor {
c["orbit_runtime_tick_interval_seconds"] = descriptor{gauge, "Configured background controller tick interval in seconds", map[string][]string{"component": components}}
c["orbit_runtime_batch_limit"] = descriptor{gauge, "Configured maximum candidates per background batch", nil}
c["orbit_shutdown_timeout_seconds"] = descriptor{gauge, "Configured graceful drain and shutdown window in seconds", nil}
c["orbit_worker_connection_limit"] = descriptor{gauge, "Configured maximum Worker WebSocket connections on this node", nil}
c["orbit_event_connection_limit"] = descriptor{gauge, "Configured maximum Event WebSocket connections on this node", nil}
c["orbit_dispatch_workers"] = descriptor{gauge, "Configured database claim workers per WebSocket hub", nil}
c["orbit_dispatch_capacity"] = descriptor{gauge, "Configured bounded in-memory claim queue per WebSocket hub", nil}
return c
}

View File

@@ -96,7 +96,7 @@ func TestInvalidNumbersAndMonotoneCounters(t *testing.T) {
}
func TestRuntimeObservationDoesNotExposeErrors(t *testing.T) {
r := NewRegistry()
r.RecordRuntimeConfig(RuntimeConfig{WorkflowTickInterval: time.Second, ScheduleTickInterval: 1500 * time.Millisecond, RecoveryTickInterval: 2 * time.Second, BatchLimit: 37, ShutdownTimeout: 45 * time.Second})
r.RecordRuntimeConfig(RuntimeConfig{WorkflowTickInterval: time.Second, ScheduleTickInterval: 1500 * time.Millisecond, RecoveryTickInterval: 2 * time.Second, BatchLimit: 37, ShutdownTimeout: 45 * time.Second, WorkerConnectionLimit: 512, EventConnectionLimit: 256, DispatchWorkers: 16, DispatchCapacity: 2048})
r.RecordDraining(true)
r.RecordBatch("workflow", time.Now().Add(-time.Millisecond), nil)
r.RecordBatch("workflow", time.Now(), errors.New("private-dsn"))
@@ -108,7 +108,7 @@ func TestRuntimeObservationDoesNotExposeErrors(t *testing.T) {
t.Fatal("missing runtime evidence", want)
}
}
for _, want := range []string{`orbit_runtime_tick_interval_seconds{component="workflow"} 1`, `orbit_runtime_tick_interval_seconds{component="schedule"} 1.5`, `orbit_runtime_tick_interval_seconds{component="execution_recovery"} 2`, "orbit_runtime_batch_limit 37\n", "orbit_shutdown_timeout_seconds 45\n", "orbit_process_draining 1\n"} {
for _, want := range []string{`orbit_runtime_tick_interval_seconds{component="workflow"} 1`, `orbit_runtime_tick_interval_seconds{component="schedule"} 1.5`, `orbit_runtime_tick_interval_seconds{component="execution_recovery"} 2`, "orbit_runtime_batch_limit 37\n", "orbit_shutdown_timeout_seconds 45\n", "orbit_worker_connection_limit 512\n", "orbit_event_connection_limit 256\n", "orbit_dispatch_workers 16\n", "orbit_dispatch_capacity 2048\n", "orbit_process_draining 1\n"} {
if !strings.Contains(out, want) {
t.Fatal("missing runtime configuration", want)
}

View File

@@ -13,16 +13,20 @@ import (
// RuntimeConfig 是节点启动后实际生效的后台控制参数。
// 它只用于固定基数观测,不参与业务授权或持久化状态判断。
type RuntimeConfig struct {
WorkflowTickInterval time.Duration
ScheduleTickInterval time.Duration
RecoveryTickInterval time.Duration
BatchLimit int
ShutdownTimeout time.Duration
WorkflowTickInterval time.Duration
ScheduleTickInterval time.Duration
RecoveryTickInterval time.Duration
BatchLimit int
ShutdownTimeout time.Duration
WorkerConnectionLimit int // Worker WebSocket 单节点连接上限。
EventConnectionLimit int // Event WebSocket 单节点连接上限。
DispatchWorkers int // 每个 Hub 同时执行数据库领取调用的协程上限。
DispatchCapacity int // 每个 Hub 领取调用的有界内存排队槽位。
}
// RecordRuntimeConfig records the effective bounded controller settings.
func (r *Registry) RecordRuntimeConfig(config RuntimeConfig) {
if r == nil || config.WorkflowTickInterval <= 0 || config.ScheduleTickInterval <= 0 || config.RecoveryTickInterval <= 0 || config.BatchLimit <= 0 || config.ShutdownTimeout <= 0 {
if r == nil || config.WorkflowTickInterval <= 0 || config.ScheduleTickInterval <= 0 || config.RecoveryTickInterval <= 0 || config.BatchLimit <= 0 || config.ShutdownTimeout <= 0 || config.WorkerConnectionLimit <= 0 || config.EventConnectionLimit <= 0 || config.DispatchWorkers <= 0 || config.DispatchCapacity <= 0 {
return
}
r.SetGauge("orbit_runtime_tick_interval_seconds", config.WorkflowTickInterval.Seconds(), Labels{"component": "workflow"})
@@ -30,6 +34,10 @@ func (r *Registry) RecordRuntimeConfig(config RuntimeConfig) {
r.SetGauge("orbit_runtime_tick_interval_seconds", config.RecoveryTickInterval.Seconds(), Labels{"component": "execution_recovery"})
r.SetGauge("orbit_runtime_batch_limit", float64(config.BatchLimit), nil)
r.SetGauge("orbit_shutdown_timeout_seconds", config.ShutdownTimeout.Seconds(), nil)
r.SetGauge("orbit_worker_connection_limit", float64(config.WorkerConnectionLimit), nil)
r.SetGauge("orbit_event_connection_limit", float64(config.EventConnectionLimit), nil)
r.SetGauge("orbit_dispatch_workers", float64(config.DispatchWorkers), nil)
r.SetGauge("orbit_dispatch_capacity", float64(config.DispatchCapacity), nil)
}
// RecordDraining records whether this process has entered graceful shutdown.

View File

@@ -31,10 +31,11 @@ type EventHub struct {
poll time.Duration
}
func NewEventHub(parent context.Context, service *events.Service) *EventHub {
func NewEventHub(parent context.Context, service *events.Service, options ...HubOptions) *EventHub {
ctx, cancel := context.WithCancel(parent)
h := &EventHub{service: service, ctx: ctx, cancel: cancel, slots: make(chan struct{}, 128), poll: time.Second}
h.dispatch = dispatch.New(ctx, 4, 128)
limits := resolveHubOptions(options)
h := &EventHub{service: service, ctx: ctx, cancel: cancel, slots: make(chan struct{}, limits.ConnectionLimit), poll: time.Second}
h.dispatch = dispatch.New(ctx, limits.DispatchWorkers, limits.DispatchCapacity)
h.wg.Add(1)
go func() { defer h.wg.Done(); <-h.dispatch.Done() }()
return h

View File

@@ -0,0 +1,48 @@
package httpserver
// HubOptions 是节点内 Worker/Event WebSocket Hub 的有界运行参数。
// 这些参数只控制本节点内存和领取并发,不改变 MySQL 中的授权、租约或配额事实。
type HubOptions struct {
// ConnectionLimit 是该 Hub 允许的同时连接数;超过后返回 429。
ConnectionLimit int
// DispatchWorkers 是本 Hub 同时执行数据库领取调用的 Go 协程上限。
DispatchWorkers int
// DispatchCapacity 是领取调用的有界内存排队槽位;满额时连接等待下一轮扫描。
DispatchCapacity int
}
const (
defaultHubConnectionLimit = 128
defaultHubDispatchWorkers = 4
defaultHubDispatchCapacity = 128
maxHubConnectionLimit = 4096
maxHubDispatchWorkers = 256
maxHubDispatchCapacity = 65536
)
func resolveHubOptions(options []HubOptions) HubOptions {
out := HubOptions{
ConnectionLimit: defaultHubConnectionLimit,
DispatchWorkers: defaultHubDispatchWorkers,
DispatchCapacity: defaultHubDispatchCapacity,
}
if len(options) > 1 {
panic("at most one HubOptions value is allowed")
}
if len(options) == 1 {
in := options[0]
if in.ConnectionLimit != 0 {
out.ConnectionLimit = in.ConnectionLimit
}
if in.DispatchWorkers != 0 {
out.DispatchWorkers = in.DispatchWorkers
}
if in.DispatchCapacity != 0 {
out.DispatchCapacity = in.DispatchCapacity
}
}
if out.ConnectionLimit < 1 || out.ConnectionLimit > maxHubConnectionLimit || out.DispatchWorkers < 1 || out.DispatchWorkers > maxHubDispatchWorkers || out.DispatchCapacity < 1 || out.DispatchCapacity > maxHubDispatchCapacity {
panic("HubOptions values exceed bounded range")
}
return out
}

View File

@@ -0,0 +1,42 @@
package httpserver
import (
"context"
"testing"
"git.yuntuo.hk/k2safe/orbit/platform/events"
"git.yuntuo.hk/k2safe/orbit/pulse/worker"
)
func TestHubOptionsAreBoundedAndApplied(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
workerOptions := resolveHubOptions([]HubOptions{{ConnectionLimit: 7, DispatchWorkers: 3, DispatchCapacity: 11}})
if workerOptions.ConnectionLimit != 7 || workerOptions.DispatchWorkers != 3 || workerOptions.DispatchCapacity != 11 {
t.Fatalf("worker hub options not resolved: %+v", workerOptions)
}
workerHub := NewWorkerHub(ctx, worker.New(nil), workerOptions)
if cap(workerHub.slots) != 7 {
t.Fatalf("worker connection limit not applied: %d", cap(workerHub.slots))
}
eventOptions := resolveHubOptions([]HubOptions{{ConnectionLimit: 5, DispatchWorkers: 2, DispatchCapacity: 9}})
eventHub := NewEventHub(ctx, events.New(nil), eventOptions)
if cap(eventHub.slots) != 5 {
t.Fatalf("event connection limit not applied: %d", cap(eventHub.slots))
}
workerHub.Shutdown(context.Background())
eventHub.Shutdown(context.Background())
}
func TestHubOptionsRejectInvalidValues(t *testing.T) {
for _, options := range []HubOptions{{ConnectionLimit: -1}, {ConnectionLimit: maxHubConnectionLimit + 1}, {DispatchWorkers: -1}, {DispatchWorkers: maxHubDispatchWorkers + 1}, {DispatchCapacity: -1}, {DispatchCapacity: maxHubDispatchCapacity + 1}} {
t.Run("invalid", func(t *testing.T) {
defer func() {
if recover() == nil {
t.Fatal("invalid hub options did not panic")
}
}()
resolveHubOptions([]HubOptions{options})
})
}
}

View File

@@ -38,10 +38,11 @@ type WorkerHub struct {
emptyPolls map[[32]byte]time.Time
}
func NewWorkerHub(parent context.Context, service *worker.Service) *WorkerHub {
func NewWorkerHub(parent context.Context, service *worker.Service, options ...HubOptions) *WorkerHub {
ctx, cancel := context.WithCancel(parent)
h := &WorkerHub{service: service, ctx: ctx, cancel: cancel, slots: make(chan struct{}, 128), poll: time.Second, emptyPolls: make(map[[32]byte]time.Time)}
h.dispatch = dispatch.New(ctx, 4, 128)
limits := resolveHubOptions(options)
h := &WorkerHub{service: service, ctx: ctx, cancel: cancel, slots: make(chan struct{}, limits.ConnectionLimit), poll: time.Second, emptyPolls: make(map[[32]byte]time.Time)}
h.dispatch = dispatch.New(ctx, limits.DispatchWorkers, limits.DispatchCapacity)
h.wg.Add(1)
go func() { defer h.wg.Done(); <-h.dispatch.Done() }()
return h