94 lines
2.8 KiB
Plaintext
94 lines
2.8 KiB
Plaintext
[[migrating-8.1]]
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== Migrating to 8.1
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++++
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<titleabbrev>8.1</titleabbrev>
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++++
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This section discusses the changes that you need to be aware of when migrating
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your application to {es} 8.1.
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See also <<release-highlights>> and <<es-release-notes>>.
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coming[8.1.0]
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////
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[discrete]
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[[breaking-changes-8.1]]
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=== Breaking changes
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The following changes in {es} 8.1 might affect your applications
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and prevent them from operating normally.
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Before upgrading to 8.0, review these changes and take the described steps
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to mitigate the impact.
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NOTE: Breaking changes introduced in minor versions are
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normally limited to security and bug fixes.
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Significant changes in behavior are deprecated in a minor release and
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the old behavior is supported until the next major release.
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To find out if you are using any deprecated functionality,
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enable <<deprecation-logging, deprecation logging>>.
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//NOTE: The notable-breaking-changes tagged regions are re-used in the
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//Installation and Upgrade Guide
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//tag::notable-breaking-changes[]
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//end::notable-breaking-changes[]
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////
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[discrete]
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[[deprecated-8.1]]
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=== Deprecations
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The following functionality has been deprecated in {es} 8.1
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and will be removed in a future version.
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While this won't have an immediate impact on your applications,
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we strongly encourage you take the described steps to update your code
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after upgrading to 8.1.
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NOTE: Significant changes in behavior are deprecated in a minor release and
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the old behavior is supported until the next major release.
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To find out if you are using any deprecated functionality,
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enable <<deprecation-logging, deprecation logging>>.
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//tag::notable-breaking-changes[]
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[discrete]
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[[breaking_8.1_cluster_node_setting_deprecations]]
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==== Cluster and node setting deprecations
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[[deprecate-legacy-discovery-type-setting]]
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.Legacy values for the `discovery.type` setting are deprecated.
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[%collapsible]
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====
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*Details* +
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Legacy values for the `discovery.type` setting are deprecated and will be
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forbidden in a future version.
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*Impact* +
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Do not set `discovery.type` to any value except `single-node` or `multi-node`.
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All other values are equivalent to the default discovery type which is
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`multi-node`. Where possible, omit this setting so that {es} uses the default
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discovery type.
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====
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[discrete]
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[[breaking_8.1_rest_api_deprecations]]
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==== REST API deprecations
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[[deprecate-lenient-parsing-of-bulk-actions]]
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.Lenient parsing of bulk actions is deprecated.
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[%collapsible]
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====
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*Details* +
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Older versions of {es} parse the action lines of bulk requests very permissively
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and would silently ignore invalid or malformed actions. This lenience is
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deprecated and a future version will reject bulk requests containing invalid
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actions.
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*Impact* +
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Ensure that bulk actions are well-formed JSON objects containing a single entry
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with the correct key.
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====
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//end::notable-breaking-changes[]
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