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Environment Variables

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RIZA_API_KEY

The API key to use when talking to the Riza API. This is only needed when using custom runtimes.

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RIZA_LICENSE_KEY

The license key to validate on startup. If the license is invalid, riza serve will return an error.

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RIZA_SERVE_WORKERS

The number of worker threads to run. Defaults to the number of CPU cores divided by two. Added in rizio/code-interpreter:0.4.6

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RIZA_SERVE_QUEUE_SIZE

The size of the work queue shared among workers. Defaults to the number of workers. Added in rizio/code-interpreter:0.5.0

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RIZA_SERVE_QUEUE_SEND_TIMEOUT

The amount of time (in seconds) to wait for an item to be added to the work queue. If the timeout is reached, the server will send a 429 Too Many Requests response. If set to 0, return 429 Too Many Requests if the queue is full. Defaults to 5 (seconds). Added in rizio/code-interpreter:0.5.0

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RIZA_SERVE_CONCURRENCY

The maximum number of concurrent requests to handle. When set, reqeusts will be processed in the order in which they’re receieved. By default there is no limit set.

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Liveness and Readiness Probes

The /livez and /readyz endpoints can be used for readiness and liveness probes when deploying into a Kubernetes cluster.

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Prometheus Metrics

The /metrics endpoint contains the following metrics

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http_requests_total

A counter for each HTTP request, grouped by {method, path, status}. 
# TYPE http_requests_total counter
http_requests_total{path="/v1/execute",method="post",code="429"} 280 1741728377372
http_requests_total{path="/v1/execute",method="post",code="200"} 340 1741728377372

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http_requests_inflight

A gauge for the number of current HTTP requests, including liveness and readiness probes and the metrics endpoint itself. 
# TYPE http_requests_inflight gauge
http_requests_inflight 76 1741728377372

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worker_queue_size

A gauge for the size of the work queue. 
# TYPE worker_queue_size gauge
worker_queue_size 10 1741728377372

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num_workers

A gauge for the number of workers. 
# TYPE num_workers gauge
num_workers 5 1741728377372

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work_items_queued

A gauge for the number of work items waiting for a spot in the queue. 
# TYPE work_items_queued gauge
work_items_queued 65 1741728377372

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work_items_inflight

A gauge for the number of inflight work items, which includes items waiting for a spot in the queue. 
# TYPE work_items_inflight gauge
work_items_inflight 75 1741728377372