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- [[breaking-changes-6.0]]
- == Breaking changes in 6.0
- This section discusses the changes that you need to be aware of when migrating
- your application to Elasticsearch 6.0.
- [float]
- === Indices created before 6.0
- Elasticsearch 6.0 can read indices created in version 5.0 or above. An
- Elasticsearch 6.0 node will not start in the presence of indices created in a
- version of Elasticsearch before 5.0.
- [IMPORTANT]
- .Reindex indices from Elasticseach 2.x or before
- =========================================
- Indices created in Elasticsearch 2.x or before will need to be reindexed with
- Elasticsearch 5.x in order to be readable by Elasticsearch 6.x. The easiest
- way to reindex old indices is to use the `reindex` API.
- =========================================
- [float]
- === Also see:
- * <<breaking_60_mapping_changes>>
- * <<breaking_60_rest_changes>>
- * <<breaking_60_search_changes>>
- * <<breaking_60_docs_changes>>
- * <<breaking_60_cluster_changes>>
- * <<breaking_60_plugins_changes>>
- include::migrate_6_0/mapping.asciidoc[]
- include::migrate_6_0/rest.asciidoc[]
- include::migrate_6_0/search.asciidoc[]
- include::migrate_6_0/docs.asciidoc[]
- include::migrate_6_0/cluster.asciidoc[]
- include::migrate_6_0/plugins.asciidoc[]
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