Use non-metric fields for routing #103463
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Dynamic templates allow defining fields with `time_series_dimension` annotations. When these fields are referenced in dynamic template specs at indexing time, they can be used for routing instead of the routing path; the latter can be empty in case all dimensions are dynamically specified. Related to elastic#98384
# Conflicts: # server/src/main/java/org/elasticsearch/search/DefaultSearchContext.java
…ting' into prototype/dynamic_dimensions_setting
…ting' into prototype/dynamic_dimensions_setting
…ting' into prototype/dynamic_dimensions_setting
elasticsearchmachine
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needs:triage
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Track all fields in dynamic template spec during bulk ingestion as metrics and assume that the rest are dimensions. These get then used for routing and
_tsidcalculations.This mode is controlled with flag
time_series_dynamic_templatesand it's incompatible with settingindex.routing_path, either explicitly in the template or implicitly through fields marked as 'time_series_dimension'.Related to #98384