IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Time series index settings

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Time series index settings

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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.

Backing indices in a time series data stream (TSDS) support the following index settings.

index.mode: [preview] 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. (Static, string) Mode for the index. Valid values are time_series and null (no mode). Defaults to null.

index.time_series.start_time: [preview] 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. (Static, string) Earliest @timestamp value (inclusive) accepted by the index. Only indices with an index.mode of time_series support this setting. For more information, refer to Time-bound indices.

index.time_series.end_time: [preview] 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. (Dynamic, string) Latest @timestamp value (exclusive) accepted by the index. Only indices with an index.mode of time_series support this setting. For more information, refer to Time-bound indices.

index.look_ahead_time: [preview] 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. (Static, time units) Interval used to calculate the index.time_series.end_time for a TSDS’s write index. Defaults to 2h (2 hours). Accepts 1m (one minute) to 7d (seven days). Only indices with an index.mode of time_series support this setting. For more information, refer to Look-ahead time. Additionally this setting can not be less than time_series.poll_interval cluster setting.
index.routing_path: [preview] 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. (Static, string or array of strings) Plain keyword fields used to route documents in a TSDS to index shards. Supports wildcards (*). Only indices with an index.mode of time_series support this setting. Defaults to the list of dimension fields with a time_series_dimension value of true defined in your component templates. For more information, refer to Dimension-based routing.

index.mapping.dimension_fields.limit: [preview] 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. (Dynamic, integer) Maximum number of time series dimensions for the index. Defaults to 16.

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