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49695af2ac
This was an error-prone version type that allowed overriding previous version semantics. It could cause primaries and replicas to be out of sync however, so it has been removed. Resolves #19769
38 lines
1.0 KiB
Plaintext
38 lines
1.0 KiB
Plaintext
[[breaking-changes-6.0]]
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== Breaking changes in 6.0
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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 Elasticsearch 6.0.
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[float]
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=== Indices created before 6.0
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Elasticsearch 6.0 can read indices created in version 5.0 or above. An
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Elasticsearch 6.0 node will not start in the presence of indices created in a
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version of Elasticsearch before 5.0.
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[IMPORTANT]
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.Reindex indices from Elasticseach 2.x or before
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=========================================
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Indices created in Elasticsearch 2.x or before will need to be reindexed with
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Elasticsearch 5.x in order to be readable by Elasticsearch 6.x. The easiest
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way to reindex old indices is to use the `reindex` API.
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=========================================
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[float]
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=== Also see:
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* <<breaking_60_mapping_changes>>
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* <<breaking_60_rest_changes>>
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* <<breaking_60_search_changes>>
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include::migrate_6_0/mapping.asciidoc[]
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include::migrate_6_0/rest.asciidoc[]
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include::migrate_6_0/search.asciidoc[]
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include::migrate_6_0/docs.asciidoc[]
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