Admission Control

Admission Control

Status: 📋 Planned
Target Version: v5.5
Feature ID: F1.12 Enhancement

Overview

Admission control system for regulating incoming queries and preventing system overload.

Planned Features

• Query Queue Management: Priority-based query queuing
• Resource Reservation: Pre-allocate resources for admitted queries
• Reject/Throttle Logic: Intelligent admission decisions
• Backpressure Handling: Graceful degradation under load
• SLA-Aware Admission: Prioritize based on tenant SLAs

Architecture (Planned)

Incoming Query → Admission Controller → [Admit/Reject/Queue]
                        ↓
                 Resource Estimator
                        ↓
                 Queue Manager (Priority-based)

Configuration (Draft)

admission_control:
  enabled: true
  max_concurrent_queries: 1000
  queue_size: 5000
  priority_levels: 3
  timeout_ms: 30000

Related Documentation

• Graceful Degradation
• Query Scheduler
• Resource Manager
• SLA Manager
• Workload Management

Implementation Status

Current: Not implemented
Roadmap: v5.5 Phase 1 (Foundation)
Estimated Effort: 3-4 person-weeks

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Note: This is a placeholder document. Implementation details will be added during v5.5 development.

For current workload management features, see:

• Workload-Aware Query Optimization
• Adaptive Query Routing