elasticsearch/docs/reference/data-streams
Martijn van Groningen 842303cd7f
Lower the look_ahead_time setting's maximum value. (#103434)
Initially the index.look_head_time was both used to define the index.time_series.start_time and index.time_series.end_time.

The former is now controlled by index.look_back_time and the maximum value of 7 days for index.look_ahead_time is too generous. As it also delays data being indexed to new index after rollover by up to 7 days.

This PR changes the index.look_ahead_time setting's maximum allowed value from 7 days to 2 hours, which is equal to the index.look_ahead_time setting's default. A look ahead time of 2 hours is high enough to accept data that is ahead of the current time, but avoids configuring the index.look_ahead_time setting to a too high value that causes rolled over indices to not receive writes for a very long period.

This is a breaking change, but configuring the index.look_ahead_time setting to a higher value than 2 hours will not fail. Instead 2 hours will be used a look ahead time.
2023-12-20 09:00:04 +01:00
..
lifecycle [DOCS] DSL downsampling docs (#103148) 2023-12-08 06:52:18 -05:00
change-mappings-and-settings.asciidoc Add ability to create a data stream failure store (#99134) 2023-11-15 15:32:51 -05:00
data-stream-apis.asciidoc ES-6566: [DSL] Introduce new endpoint to expose data stream lifecycle stats (#101845) 2023-11-20 10:38:41 +02:00
data-streams.asciidoc Start with data stream lifecycle documentation (#95326) 2023-06-28 16:18:05 +03:00
downsampling-ilm.asciidoc Document ILM waits for tsds end_time to lapse in some actions (#100204) 2023-10-04 07:55:58 -04:00
downsampling-manual.asciidoc Add ability to create a data stream failure store (#99134) 2023-11-15 15:32:51 -05:00
downsampling.asciidoc [DOCS] Note limits for queries on downsampled indices (#95749) 2023-05-03 09:58:23 -04:00
modify-data-streams-api.asciidoc [DOCS] Data stream modification API (#80094) 2021-11-10 08:37:12 -06:00
promote-data-stream-api.asciidoc [DOCS] Fix double spaces (#71082) 2021-03-31 09:57:47 -04:00
set-up-a-data-stream.asciidoc [DOCS] Move x-pack docs to docs/reference dir (#99209) 2023-09-12 14:53:41 -04:00
set-up-tsds.asciidoc Slightly simplify setup tsds section (#103475) 2023-12-18 11:39:10 +01:00
tsds-index-settings.asciidoc Lower the look_ahead_time setting's maximum value. (#103434) 2023-12-20 09:00:04 +01:00
tsds-reindex.asciidoc Document how to reindex a TSDS (#99476) 2023-09-13 18:28:03 +03:00
tsds.asciidoc Document ILM waits for tsds end_time to lapse in some actions (#100204) 2023-10-04 07:55:58 -04:00
use-a-data-stream.asciidoc Change test tear down to only remove resources created by the test (#98060) 2023-07-31 17:23:37 +03:00