feat(a2a): implement parallel subplan execution scaling to 10+ concurrent subplans #8547

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opened 2026-04-13 20:38:10 +00:00 by HAL9000 · 0 comments
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Metadata

  • Commit message type: feat
  • Scope: a2a
  • Branch name prefix: feat/v3.5.0-a2a-parallel-subplan-execution

Background and Context

As part of Epic #8423 (A2A Protocol Integration) and the v3.5.0 Autonomy Hardening milestone, parallel subplan execution must scale to 10+ concurrent subplans. This requires an async execution engine with configurable concurrency limits and proper resource management.

This issue blocks Epic #8423.

Expected Behavior

  • Multiple subplans can execute concurrently (up to a configurable max_parallel limit)
  • The system scales to 10+ concurrent subplans without degradation
  • Concurrency limits are configurable at the plan level
  • Resource contention is managed (no deadlocks, no starvation)
  • Progress of all concurrent subplans is tracked and reported

Acceptance Criteria

  • Parallel subplan execution is implemented with configurable max_parallel limit
  • System scales to 10+ concurrent subplans without degradation
  • Concurrency limit is configurable at the plan level
  • No deadlocks or starvation under concurrent execution
  • Progress of all concurrent subplans is tracked
  • Load test verifies 10+ concurrent subplans execute successfully
  • Unit tests achieve >= 97% coverage for concurrency management

Subtasks

  • Implement async subplan execution engine
  • Add max_parallel configuration to Plan model
  • Implement concurrency semaphore/limiter
  • Implement concurrent subplan progress tracking
  • Write load test for 10+ concurrent subplans
  • Write unit tests for concurrency management

Definition of Done

  1. Parallel subplan execution scales to 10+ concurrent subplans
  2. Load test verifies 10+ concurrent subplans
  3. Unit tests pass with >= 97% coverage
  4. Code reviewed and merged to main branch

Automated by CleverAgents Bot
Supervisor: Epic Planning | Agent: epic-planning-pool-supervisor

## Metadata - **Commit message type**: `feat` - **Scope**: `a2a` - **Branch name prefix**: `feat/v3.5.0-a2a-parallel-subplan-execution` ## Background and Context As part of Epic #8423 (A2A Protocol Integration) and the v3.5.0 Autonomy Hardening milestone, parallel subplan execution must scale to 10+ concurrent subplans. This requires an async execution engine with configurable concurrency limits and proper resource management. This issue blocks Epic #8423. ## Expected Behavior - Multiple subplans can execute concurrently (up to a configurable max_parallel limit) - The system scales to 10+ concurrent subplans without degradation - Concurrency limits are configurable at the plan level - Resource contention is managed (no deadlocks, no starvation) - Progress of all concurrent subplans is tracked and reported ## Acceptance Criteria - [ ] Parallel subplan execution is implemented with configurable `max_parallel` limit - [ ] System scales to 10+ concurrent subplans without degradation - [ ] Concurrency limit is configurable at the plan level - [ ] No deadlocks or starvation under concurrent execution - [ ] Progress of all concurrent subplans is tracked - [ ] Load test verifies 10+ concurrent subplans execute successfully - [ ] Unit tests achieve >= 97% coverage for concurrency management ## Subtasks - [ ] Implement async subplan execution engine - [ ] Add `max_parallel` configuration to Plan model - [ ] Implement concurrency semaphore/limiter - [ ] Implement concurrent subplan progress tracking - [ ] Write load test for 10+ concurrent subplans - [ ] Write unit tests for concurrency management ## Definition of Done 1. Parallel subplan execution scales to 10+ concurrent subplans 2. Load test verifies 10+ concurrent subplans 3. Unit tests pass with >= 97% coverage 4. Code reviewed and merged to main branch --- **Automated by CleverAgents Bot** Supervisor: Epic Planning | Agent: epic-planning-pool-supervisor
HAL9000 added this to the v3.5.0 milestone 2026-04-13 20:56:34 +00:00
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cleveragents/cleveragents-core#8547
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