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Time series index settings

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Time series index settings

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

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

index.time_series.start_time: (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: (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: (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: (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: (Dynamic, integer) Maximum number of time series dimensions for the index. Defaults to 16.

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