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Index rollups API

Use the index rollup operations to programmatically work with index rollup jobs.


Table of contents


Create or update an index rollup job

Introduced 1.0

Creates or updates an index rollup job. You must provide the seq_no and primary_term parameters.

Request

PUT _plugins/_rollup/jobs/<rollup_id> // Create
PUT _plugins/_rollup/jobs/<rollup_id>?if_seq_no=1&if_primary_term=1 // Update
{
  "rollup": {
    "source_index": "nyc-taxi-data",
    "target_index": "rollup-nyc-taxi-data",
    "schedule": {
      "interval": {
        "period": 1,
        "unit": "Days"
      }
    },
    "description": "Example rollup job",
    "enabled": true,
    "page_size": 200,
    "delay": 0,
    "roles": [
      "rollup_all",
      "nyc_taxi_all",
      "example_rollup_index_all"
    ],
    "continuous": false,
    "dimensions": [
      {
        "date_histogram": {
          "source_field": "tpep_pickup_datetime",
          "fixed_interval": "1h",
          "timezone": "America/Los_Angeles"
        }
      },
      {
        "terms": {
          "source_field": "PULocationID"
        }
      }
    ],
    "metrics": [
      {
        "source_field": "passenger_count",
        "metrics": [
          {
            "avg": {}
          },
          {
            "sum": {}
          },
          {
            "max": {}
          },
          {
            "min": {}
          },
          {
            "value_count": {}
          }
        ]
      }
    ]
  }
}

You can specify the following options.

Options Description Type Required
source_index The name of the detector. String Yes
target_index Specify the target index that the rolled up data is ingested into. You can either create a new target index or use an existing index. The target index cannot be a combination of raw and rolled up data. This field supports dynamically generated index names like rollup_{{ctx.source_index}}, where source_index cannot contain wildcards. String Yes
schedule Schedule of the index rollup job which can be an interval or a cron expression. Object Yes
schedule.interval Specify the frequency of execution of the rollup job. Object No
schedule.interval.start_time Start time of the interval. Timestamp Yes
schedule.interval.period Define the interval period. String Yes
schedule.interval.unit Specify the time unit of the interval. String Yes
schedule.interval.cron Optionally, specify a cron expression to define therollup frequency. List No
schedule.interval.cron.expression Specify a Unix cron expression. String Yes
schedule.interval.cron.timezone Specify timezones as defined by the IANA Time Zone Database. Defaults to UTC. String No
description Optionally, describe the rollup job. String No
enabled When true, the index rollup job is scheduled. Default is true. Boolean Yes
continuous Specify whether or not the index rollup job continuously rolls up data forever or executes over the current dataset once and stops. Default is false. Boolean Yes
error_notification Set up a Mustache message template for error notifications. For example, if an index rollup job fails, the system sends a message to a Slack channel. Object No
page_size Specify the number of buckets to paginate at a time during rollup. Number Yes
delay The number of milliseconds to delay execution of the index rollup job. Long No
dimensions Specify aggregations to create dimensions for the roll up time window. Supported groups are terms, histogram, and date_histogram. For more information, see Bucket Aggregations. Array Yes
metrics Specify a list of objects that represent the fields and metrics that you want to calculate. Supported metrics are sum, max, min, value_count and avg. For more information, see Metric Aggregations. Array No

Example response

{
  "_id": "<rollup_id>",
  "_version": 3,
  "_seq_no": 1,
  "_primary_term": 1,
  "rollup": {
    "rollup_id": "<rollup_id>",
    "enabled": true,
    "schedule": {
      "interval": {
        "start_time": 1680159934649,
        "period": 1,
        "unit": "Days",
        "schedule_delay": 0
      }
    },
    "last_updated_time": 1680159934649,
    "enabled_time": 1680159934649,
    "description": "Example rollup job",
    "schema_version": 17,
    "source_index": "nyc-taxi-data",
    "target_index": "rollup-nyc-taxi-data",
    "metadata_id": null,
    "page_size": 200,
    "delay": 0,
    "continuous": false,
    "dimensions": [
      {
        "date_histogram": {
          "fixed_interval": "1h",
          "source_field": "tpep_pickup_datetime",
          "target_field": "tpep_pickup_datetime",
          "timezone": "America/Los_Angeles"
        }
      },
      {
        "terms": {
          "source_field": "PULocationID",
          "target_field": "PULocationID"
        }
      }
    ],
    "metrics": [
      {
        "source_field": "passenger_count",
        "metrics": [
          {
            "avg": {}
          },
          {
            "sum": {}
          },
          {
            "max": {}
          },
          {
            "min": {}
          },
          {
            "value_count": {}
          }
        ]
      }
    ]
  }
}

Get an index rollup job

Introduced 1.0

Returns all information about an index rollup job based on the rollup_id.

Request

GET _plugins/_rollup/jobs/<rollup_id>

Example response

{
  "_id": "my_rollup",
  "_seqNo": 1,
  "_primaryTerm": 1,
  "rollup": { ... }
}

Delete an index rollup job

Introduced 1.0

Deletes an index rollup job based on the rollup_id.

Request

DELETE _plugins/_rollup/jobs/<rollup_id>

Example response

200 OK

Start or stop an index rollup job

Introduced 1.0

Start or stop an index rollup job.

Request

POST _plugins/_rollup/jobs/<rollup_id>/_start
POST _plugins/_rollup/jobs/<rollup_id>/_stop

Example response

200 OK

Explain an index rollup job

Introduced 1.0

Returns detailed metadata information about the index rollup job and its current progress.

Request

GET _plugins/_rollup/jobs/<rollup_id>/_explain

Example response

{
  "example_rollup": {
    "rollup_id": "example_rollup",
    "last_updated_time": 1602014281,
    "continuous": {
      "next_window_start_time": 1602055591,
      "next_window_end_time": 1602075591
    },
    "status": "running",
    "failure_reason": null,
    "stats": {
      "pages_processed": 342,
      "documents_processed": 489359,
      "rollups_indexed": 3420,
      "index_time_in_ms": 30495,
      "search_time_in_ms": 584922
    }
  }
}
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