ce8dd84840
- Omega (Kimi-K2.5): Approval system architecture - design.md: Full system architecture with state machines - api-spec.ts: Express routes + Zod schemas (33KB) - redis-schema.md: Redis key patterns (19KB) - ui-components.md: Dashboard UI specs (31KB) - Epsilon (Nemotron-3-super): Agent configuration UI - AgentWizard: 5-step creation flow - AgentConfigPanel: Parameter tuning - AgentCard: Health monitoring - AgentList: List/grid views - hooks/useAgents.ts: WebSocket integration - types/agent.ts: TypeScript definitions Total: 150KB new code, 22 components 👾 Generated with [Letta Code](https://letta.com)
103 lines
3.1 KiB
Markdown
103 lines
3.1 KiB
Markdown
## Task Status: Worker Pool & Execution (Task 3)
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**Agent:** Coder-Gamma
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**Status:** complete
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**Worktree:** `/home/ani/Projects/community-ade-wt/worker-pool`
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### Completed Files:
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**Source Files (`src/`):**
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1. `src/worker/Pool.ts` - Worker pool orchestrator
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- Spawns and manages multiple worker processes
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- Task queue with priority support
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- Auto-scaling based on workload
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- Graceful shutdown handling
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- Comprehensive statistics and health reporting
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2. `src/worker/Process.ts` - Individual worker process wrapper
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- Child_process fork management
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- Worker state machine (IDLE, RUNNING, STOPPING, etc.)
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- Task assignment and lifecycle tracking
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- Heartbeat and health monitoring hooks
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- Event-based communication with parent
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3. `src/worker/HealthMonitor.ts` - Health checks and restart logic
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- Configurable health check intervals (default: 5s)
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- Heartbeat timeout detection (default: 30s)
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- Task stall detection (default: 5 min)
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- Automatic worker restart on failure
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- Consecutive failure tracking before restart
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4. `src/worker/TaskExecutor.ts` - Task execution in workers
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- Task handler registration system
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- Built-in task types (echo, compute, delay, healthCheck, executeCode, executeShell)
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- Task timeout handling
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- Progress reporting support
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- Heartbeat generation
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5. `src/worker/WorkerScript.ts` - Example worker entry point
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- Demonstrates task executor setup
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- Registers built-in and example tasks
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6. `src/index.ts` - Module exports
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**Test Files (`tests/`):**
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7. `tests/worker/Pool.test.ts` - Comprehensive worker lifecycle tests
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- Pool creation and initialization
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- Worker lifecycle (spawn, restart, exit)
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- Task execution (single, concurrent, priority)
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- Scaling up/down
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- Graceful shutdown
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- Statistics reporting
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**Configuration Files:**
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8. `package.json` - TypeScript dependencies and scripts
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9. `tsconfig.json` - TypeScript configuration
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10. `jest.config.js` - Test configuration
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11. `tests/setup.ts` - Test setup
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### Key Features Implemented:
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✅ **Worker Pool Management:**
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- Configurable min/max worker counts
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- Auto-scaling based on queue depth
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- Graceful shutdown with task completion wait
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✅ **Process Management:**
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- Child_process fork for each worker
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- Worker state tracking (IDLE, RUNNING, STOPPING, etc.)
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- Automatic respawn on unexpected exit
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✅ **Health Monitoring:**
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- Health checks every 5 seconds
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- Heartbeat tracking (30s timeout)
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- Task stall detection
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- Automatic restarts after 3 consecutive failures
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✅ **Task Execution:**
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- Priority queue support
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- Task timeout handling
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- Progress reporting
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- Built-in task types for common operations
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✅ **Worker Messages:**
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- `heartbeat` - Health check response
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- `task_complete` - Successful task completion
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- `task_failed` - Task execution failure
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- `task_progress` - Progress updates
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- `ready` - Worker ready signal
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### Blockers:
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None
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### Next:
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Integration with other components (Queue Core from Task 1, API Contracts from Task 2)
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### Time Remaining:
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0 minutes - Task complete
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---
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**Completion Command:**
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```bash
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git add -A && git commit -m "worker-pool: Process management and health monitoring"
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```
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