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Deployment

Status Endpoint

Monitor self-hosted node health and readiness.

The/v1/status endpoint provides real-time health and readiness information for your Deepgram self-hosted nodes. This endpoint is essential for monitoring your deployment and integrating with load balancers, orchestration platforms, and health check systems.

Overview

The status endpoint reports the current operational state of a Deepgram node, tracking it through various states as it starts up, serves requests, and responds to runtime conditions. The endpoint helps prevent false critical alerts and provides accurate information about whether a node is ready to handle requests.

Response Format

The status endpoint returns a JSON object with the following fields:

1{
2 "system_health": "Healthy",
3 "active_batch_requests": 0,
4 "active_stream_requests": 0
5}
  • system_health: The current state of the node (Initializing,Ready,Healthy, orCritical)
  • active_batch_requests: Number of pre-recorded transcription requests currently being processed
  • active_stream_requests: Number of real-time streaming requests currently active

Status States

Thesystem_health field reports one of four possible states:

Initializing

Reported during node startup. When a Deepgram API node first starts, it reportsInitializing status while it:

  • Establishes connections to Engine drivers
  • Loads configuration
  • Prepares to service requests

The node automatically transitions toReady once initialization completes successfully.

Example Response:

1{
2 "system_health": "Initializing",
3 "active_batch_requests": 0,
4 "active_stream_requests": 0
5}

Ready

The node can service requests. Once initialization is complete, the node transitions toReady status, indicating it is capable of handling transcription and other API requests.

From theReady state, the node will:

  • Transition toHealthy after successfully processing enough requests
  • Transition toCritical if errors occur during request processing

Example Response:

1{
2 "system_health": "Ready",
3 "active_batch_requests": 2,
4 "active_stream_requests": 1
5}

Healthy

Sustained successful operation. After a node has successfully processed multiple requests, it transitions toHealthy status, indicating stable, production-ready operation.

AHealthy node can transition toCritical if failures arise during request processing.

Example Response:

1{
2 "system_health": "Healthy",
3 "active_batch_requests": 0,
4 "active_stream_requests": 0
5}

Critical

Node is experiencing failures. When a node encounters errors that prevent it from successfully servicing requests, it transitions toCritical status.

This state indicates:

  • The node is experiencing operational issues
  • Requests may fail or produce errors
  • Intervention may be required

A node inCritical status can recover and transition back toReady once it can successfully service requests again.

Example Response:

1{
2 "system_health": "Critical",
3 "active_batch_requests": 0,
4 "active_stream_requests": 0
5}

State Transitions

The following diagram illustrates how nodes transition between states:

  1. Initializing → Ready: Automatic transition when node startup completes
  2. Ready → Healthy: After processing enough successful requests
  3. Ready → Critical: If errors occur during request processing
  4. Healthy → Critical: If failures arise during operation
  5. Critical → Ready: When the node can successfully service requests again

Using the Status Endpoint

Making a Request

Query the status endpoint with a simple GET request:

$curl http://localhost:8080/v1/status

Integration with Load Balancers

Configure your load balancer to use the status endpoint for health checks. Different states may require different handling:

  • Initializing: Consider the node unhealthy/not ready
  • Ready: Node is healthy and can receive traffic
  • Healthy: Node is healthy and can receive traffic
  • Critical: Remove node from rotation or reduce traffic

Example: AWS Application Load Balancer

1Health Check Configuration:
2 Protocol: HTTP
3 Path: /v1/status
4 Healthy threshold: 2
5 Unhealthy threshold: 2
6 Timeout: 5 seconds
7 Interval: 30 seconds
8 Success codes: 200

Integration with Kubernetes

Use the status endpoint for liveness and readiness probes:

1apiVersion: v1
2kind: Pod
3metadata:
4 name: deepgram-api
5spec:
6 containers:
7 - name: api
8 image: quay.io/deepgram/self-hosted-api:release-251029
9 livenessProbe:
10 httpGet:
11 path: /v1/status
12 port: 8080
13 initialDelaySeconds: 30
14 periodSeconds: 10
15 readinessProbe:
16 httpGet:
17 path: /v1/status
18 port: 8080
19 initialDelaySeconds: 10
20 periodSeconds: 5
21 successThreshold: 1
22 failureThreshold: 3

Monitoring and Alerting

The status endpoint is valuable for monitoring dashboards and alerting systems:

Python Monitoring Script
1import requests
2import time
3
4def check_node_status(url):
5 try:
6 response = requests.get(f"{url}/v1/status", timeout=5)
7 data = response.json()
8 status = data['system_health']
9 batch_requests = data['active_batch_requests']
10 stream_requests = data['active_stream_requests']
11
12 if status == 'Critical':
13 alert(f"Node {url} is in Critical state!")
14 elif status == 'Initializing':
15 log(f"Node {url} is still initializing...")
16 else:
17 log(f"Node {url} is {status} - "
18 f"Batch: {batch_requests}, Stream: {stream_requests}")
19
20 return status
21 except Exception as e:
22 alert(f"Failed to check status for {url}: {e}")
23 return None
24
25# Check every 30 seconds
26while True:
27 check_node_status("http://localhost:8080")
28 time.sleep(30)

Best Practices

Startup Handling

During node deployment or restart:

  1. Wait for theInitializing state to transition toReady before sending production traffic
  2. Allow adequate time for initialization (typically 30-60 seconds)
  3. Configure health checks with appropriate initial delays

Error Recovery

When a node entersCritical state:

  1. Check node logs for specific error messages
  2. Verify Engine connectivity and resource availability
  3. Monitor for automatic recovery toReady state
  4. Consider restarting the node if it remains inCritical state

High Availability

For production deployments:

  1. Deploy multiple API nodes for redundancy
  2. Configure load balancers to removeCritical nodes from rotation
  3. Set up automated alerts forCritical state transitions
  4. Monitor the proportion of nodes in each state across your deployment

Monitoring Active Requests

Use theactive_batch_requests andactive_stream_requests fields to:

  • Track node utilization and load distribution
  • Identify nodes that may be overloaded
  • Plan capacity based on request patterns
  • Implement graceful shutdowns by waiting for active requests to complete

Troubleshooting

Node Stuck in Initializing

If a node remains inInitializing state for an extended period:

  • Verify Engine containers are running and accessible
  • Check network connectivity between API and Engine nodes
  • Review API and Engine logs for initialization errors
  • Ensure proper configuration inapi.toml andengine.toml

Frequent Critical State Transitions

If nodes frequently transition toCritical:

  • Review Engine resource allocation (GPU/CPU/memory)
  • Check for model loading issues or corrupted model files
  • Verify license validity and connectivity to license servers
  • Monitor for request patterns that may cause failures

Status Endpoint Not Responding

If the status endpoint is unreachable:

  • Verify the API container is running:docker ps
  • Check API logs:docker logs <container_id>
  • Ensure port 8080 is accessible and not blocked by firewall rules
  • Verify the API container has started successfully

What’s Next

Now that you understand how to monitor node health with the status endpoint, explore related topics:


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