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Get rollup jobs API

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Get rollup jobs API

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This functionality is in technical preview and may be changed or removed in a future release. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features.

This API returns the configuration, stats and status of rollup jobs. The API can return the details for a single job, or for all jobs.

Note: This API only returns active (both STARTED and STOPPED) jobs. If a job was created, ran for a while then deleted, this API will not return any details about that job.

For details about a historical job, the Rollup Capabilities API may be more useful

Request

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GET _rollup/job/<job_id>

Path Parameters

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job_id: (string) Identifier for the job to retrieve. If omitted (or _all is used) all jobs will be returned

Request Body

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There is no request body for the Get Jobs API.

Authorization

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You must have monitor, monitor_rollup, manage or manage_rollup cluster privileges to use this API. For more information, see Security privileges].

Examples

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If we have already created a rollup job named sensor, the details about the job can be retrieved with:

GET _rollup/job/sensor

Which will yield the following response:

{
    "jobs" : [
        {
          "config" : {
            "id" : "sensor",
            "index_pattern" : "sensor-*",
            "rollup_index" : "sensor_rollup",
            "cron" : "*/30 * * * * ?",
            "groups" : {
              "date_histogram" : {
                "interval" : "1h",
                "delay": "7d",
                "field": "timestamp",
                "time_zone": "UTC"
              },
              "terms" : {
                "fields" : [
                  "node"
                ]
              }
            },
            "metrics" : [
              {
                "field" : "temperature",
                "metrics" : [
                  "min",
                  "max",
                  "sum"
                ]
              },
              {
                "field" : "voltage",
                "metrics" : [
                  "avg"
                ]
              }
            ],
            "timeout" : "20s",
            "page_size" : 1000
          },
          "status" : {
            "job_state" : "stopped",
            "upgraded_doc_id": true
          },
          "stats" : {
            "pages_processed" : 0,
            "documents_processed" : 0,
            "rollups_indexed" : 0,
            "trigger_count" : 0,
            "index_failures": 0,
            "index_time_in_ms": 0,
            "index_total": 0,
            "search_failures": 0,
            "search_time_in_ms": 0,
            "search_total": 0
          }
        }
    ]
}

The jobs array contains a single job (id: sensor) since we requested a single job in the endpoint’s URL. The details for this job contain three top-level parameters: config, status and stats

config holds the rollup job’s configuration, which is identical to the configuration that was supplied when creating the job via the Create Job API.

The status object holds the current status of the rollup job’s indexer. The possible values and their meanings are:

stopped means the indexer is paused and will not process data, even if it’s cron interval triggers
started means the indexer is running, but not actively indexing data. When the cron interval triggers, the job’s indexer will begin to process data
indexing means the indexer is actively processing data and creating new rollup documents. When in this state, any subsequent cron interval triggers will be ignored because the job is already active with the prior trigger
abort a transient state, which is usually not witnessed by the user. The abort state is used if the task needs to be shut down for some reason (job has been deleted, an unrecoverable error has been encountered, etc). Shortly after the abort state is set, the job will remove itself from the cluster

Finally, the stats object provides transient statistics about the rollup job, such as how many documents have been processed and how many rollup summary docs have been indexed. These stats are not persisted, so if a node is restarted these stats will be reset.

If we add another job, we can see how multi-job responses are handled:

PUT _rollup/job/sensor2 
{
    "index_pattern": "sensor-*",
    "rollup_index": "sensor_rollup",
    "cron": "*/30 * * * * ?",
    "page_size" :1000,
    "groups" : {
      "date_histogram": {
        "field": "timestamp",
        "interval": "1h",
        "delay": "7d"
      },
      "terms": {
        "fields": ["node"]
      }
    },
    "metrics": [
        {
            "field": "temperature",
            "metrics": ["min", "max", "sum"]
        },
        {
            "field": "voltage",
            "metrics": ["avg"]
        }
    ]
}

GET _rollup/job/_all

	We create a second job with name `sensor2`
	Then request all jobs by using `_all` in the GetJobs API

Which will yield the following response:

{
    "jobs" : [
        {
          "config" : {
            "id" : "sensor2",
            "index_pattern" : "sensor-*",
            "rollup_index" : "sensor_rollup",
            "cron" : "*/30 * * * * ?",
            "groups" : {
              "date_histogram" : {
                "interval" : "1h",
                "delay": "7d",
                "field": "timestamp",
                "time_zone": "UTC"
              },
              "terms" : {
                "fields" : [
                  "node"
                ]
              }
            },
            "metrics" : [
              {
                "field" : "temperature",
                "metrics" : [
                  "min",
                  "max",
                  "sum"
                ]
              },
              {
                "field" : "voltage",
                "metrics" : [
                  "avg"
                ]
              }
            ],
            "timeout" : "20s",
            "page_size" : 1000
          },
          "status" : {
            "job_state" : "stopped",
            "upgraded_doc_id": true
          },
          "stats" : {
            "pages_processed" : 0,
            "documents_processed" : 0,
            "rollups_indexed" : 0,
            "trigger_count" : 0,
            "index_failures": 0,
            "index_time_in_ms": 0,
            "index_total": 0,
            "search_failures": 0,
            "search_time_in_ms": 0,
            "search_total": 0
          }
        },
        {
          "config" : {
            "id" : "sensor",
            "index_pattern" : "sensor-*",
            "rollup_index" : "sensor_rollup",
            "cron" : "*/30 * * * * ?",
            "groups" : {
              "date_histogram" : {
                "interval" : "1h",
                "delay": "7d",
                "field": "timestamp",
                "time_zone": "UTC"
              },
              "terms" : {
                "fields" : [
                  "node"
                ]
              }
            },
            "metrics" : [
              {
                "field" : "temperature",
                "metrics" : [
                  "min",
                  "max",
                  "sum"
                ]
              },
              {
                "field" : "voltage",
                "metrics" : [
                  "avg"
                ]
              }
            ],
            "timeout" : "20s",
            "page_size" : 1000
          },
          "status" : {
            "job_state" : "stopped",
            "upgraded_doc_id": true
          },
          "stats" : {
            "pages_processed" : 0,
            "documents_processed" : 0,
            "rollups_indexed" : 0,
            "trigger_count" : 0,
            "index_failures": 0,
            "index_time_in_ms": 0,
            "index_total": 0,
            "search_failures": 0,
            "search_time_in_ms": 0,
            "search_total": 0
          }
        }
    ]
}

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