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Warn that cloned templates are not automatically updated #2740

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Merged
merged 4 commits into from
Aug 29, 2025
Merged

Warn that cloned templates are not automatically updated #2740

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4ccf850
Warn that cloned templates can lead to outdated configs
karenzone Aug 27, 2025
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Apply suggestions from code review
karenzone Aug 28, 2025
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Content refinements and additional caveats
karenzone Aug 29, 2025
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Merge branch 'main' into 1851-cloning
karenzone Aug 29, 2025
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6 changes: 6 additions & 0 deletions solutions/observability/apm/index-lifecycle-management.md
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Expand Up @@ -140,3 +140,9 @@ POST /traces-apm-default/_rollover/
## Namespace-level index lifecycle policies [apm-data-streams-custom-policy-namespace]

It is also possible to create more granular index lifecycle policies that apply to individual namespaces. This process is similar to the above tutorial, but includes cloning and modify the existing index template to use a new `*@custom` component template.

:::{important}
Cloning index templates is extremely risky because cloned templates are not automatically updated when you upgrade to a new product version. Users may find themselves in situations where their configurations are outdated because cloned templates are being used instead of the latest templates.

Any customization done using cloned index templates must be repeated _every time_ you upgrade to a new version.
:::
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