| <!--- |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| --> |
| |
| # Ballista Scheduler |
| |
| ## Web User Interface |
| |
| The scheduler provides a web user interface that allows queries to be monitored. |
| |
|  |
| |
| ## REST API |
| |
| The scheduler also provides a REST API that allows jobs to be monitored. |
| |
| | API | Method | Description | |
| | --------------------- | ------ | ----------------------------------------------------------- | |
| | /api/jobs | GET | Get a list of jobs that have been submitted to the cluster. | |
| | /api/job/{job_id} | GET | Get a summary of a submitted job. | |
| | /api/job/{job_id}/dot | GET | Produce a query plan in DOT (graphviz) format. | |
| | /api/job/{job_id} | PATCH | Cancel a currently running job | |
| | /api/metrics | GET | Return current scheduler metric set | |
