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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
- Get an index rollup job
- Delete an index rollup job
- Start or stop an index rollup job
- Explain an index rollup job
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 just executes over the current data set 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
}
}
}