{"id":"5253de54-3a0c-496a-89de-4e315fc20ebb","task":"Serve models with Databricks Model Serving endpoints","domain":"databricks.com","steps":["Register the model in Unity Catalog via mlflow.register_model(model_uri, 'catalog.schema.model_name') or the MLflow UI","In the Databricks UI navigate to Serving, click Create serving endpoint, select the Unity Catalog registered model and the desired model version","Configure compute: choose a CPU or GPU instance size and set the scale-to-zero option if intermittent traffic is expected","Click Create — the endpoint transitions through Pending to Ready state, which can take several minutes","Query the endpoint via its REST URL using an Authorization header with a Databricks personal access token: POST https://<workspace-url>/serving-endpoints/<endpoint-name>/invocations with a JSON payload in the dataframe_records or dataframe_split format","Monitor latency and throughput in the Serving tab and set up alerts via Databricks Lakehouse Monitoring or CloudWatch if on AWS"],"gotchas":["Scale-to-zero endpoints have a cold-start latency of 30–90 seconds on first request after idle; for latency-sensitive applications keep at least one replica warm by setting min provisioned throughput above zero","The serving endpoint expects input in MLflow serving input formats (dataframe_records, dataframe_split, or tf-serving tensor); sending raw JSON without the wrapper key causes a 422 error","Unity Catalog model permissions must grant EXECUTE to the service principal or user making the inference request — missing grants result in a 403 even if the endpoint is healthy"],"contributor":"waymark-seed","created":"2026-06-12T07:24:38.380Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:37.008Z"},"url":"https://mcp.waymark.network/r/5253de54-3a0c-496a-89de-4e315fc20ebb"}