# Services

Supporting services and utilities that provide monitoring, health checks, and operational support.

```{toctree}
:caption: 'Service Classes:'
:maxdepth: 2

data_integrity_manager
buffer_manager
disk_monitor
health_check
task_monitor_service
task_state_manager
recovery_service_runner
```

## Overview

Services provide operational support for the data transfer system:

**Data Integrity Manager**

: Manages checksum verification and data integrity checks.

**Buffer Manager**

: Monitors and manages buffer storage at different sites.

**Disk Monitor**

: Monitors disk usage and storage capacity.

**Health Check**

: Provides system health monitoring and status reporting.

**Task Monitor Service**

: Monitors Celery task execution and status.

**Task State Manager**

: Manages task state transitions and persistence.

**Recovery Service Runner**

: Handles automatic recovery from failures.

## Service Integration

Services integrate with the main data transfer pipeline:

- Monitor system health and performance
- Provide operational visibility
- Handle error recovery and resilience
- Manage resource utilization

For operational guidance on using these services, see:

- {doc}`../../monitoring` - System monitoring and observability
- {doc}`../../lifecycle` - Data lifecycle management