[ML] Reject data frame analytics using runtime fields if not all node… #69331
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…s support it When a data frame anylytics job config contains runtime mappings, when the task starts the destination index will be created with a `runtime` section in its mappings. If the cluster contains nodes that are on a version prior to the addition of runtime fields, the index creation will fail. Thus, this commit adds a check to prevent such jobs from being created and it informs the user on the preconditions for using runtime fields in data frame analytics.
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) As we make use of the field caps API `runtime_mappings` feature we should prevent data frame analytics jobs from being created in a cluster that contains nodes prior to 7.12. Relates #69331
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…s support it
When a data frame anylytics job config contains runtime mappings, when the task
starts the destination index will be created with a
runtimesection in its mappings.If the cluster contains nodes that are on a version prior to the addition of runtime
fields, the index creation will fail. Thus, this commit adds a check to prevent such
jobs from being created and it informs the user on the preconditions for using
runtime fields in data frame analytics.