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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                # 在5.0 重大改變 原文鏈接 : [https://www.elastic.co/guide/en/elasticsearch/reference/5.3/breaking-changes-5.0.html](https://www.elastic.co/guide/en/elasticsearch/reference/5.3/breaking-changes-5.0.html) 譯文鏈接 : [http://www.apache.wiki/pages/viewpage.action?pageId=4260618](http://www.apache.wiki/pages/viewpage.action?pageId=4260618) 貢獻者 : [片刻](/display/~jiangzhonglian) [ApacheCN](/display/~apachecn) [Apache中文網](/display/~apachechina) 本節討論在將應用程序遷移到Elasticsearch 5.0時需要注意的更改。 ## 遷移插件 [elasticsearch-migration插件](https://github.com/elastic/elasticsearch-migration/blob/2.x/README.asciidoc)(與Elasticsearch 2.3.0及更高版本兼容)將幫助您找到升級到Elasticsearch 5.0時需要解決的問題。 ## 5.0之前的索引創建 Elasticsearch 5.0可以讀取在2.0版或更高版本中創建的索引。如果存在在2.0之前的Elasticsearch版本中創建的索引,Elasticsearch 5.0節點將不會啟動。 Reindex索引從Elasticseach 1.x或之前 在Elasticsearch 1.x或之前創建的索引需要使用Elasticsearch 2.x重新索引,以便Elasticsearch 5.x可讀。僅使用升級API是不夠的。有關詳細信息,請參閱[Reindex升級](https://www.elastic.co/guide/en/elasticsearch/reference/5.3/reindex-upgrade.html)。 第一次Elasticsearch 5.0啟動時,它將自動重命名索引文件夾以使用索引UUID而不是索引名稱。如果對共享數據文件夾使用[shadow replicas](https://www.elastic.co/guide/en/elasticsearch/reference/5.3/indices-shadow-replicas.html "Shadow replica indices"),請首先啟動對所有數據文件夾具有訪問權的單個節點,并在啟動群集中的其他節點之前重命名所有索引文件夾。 ## 繼續閱讀 :? * [搜索和查詢DSL改變](/pages/viewpage.action?pageId=4260751) * [映射改變](/pages/viewpage.action?pageId=4260763) * [過濾器改變](/pages/viewpage.action?pageId=4260766) * [Suggester變化](/pages/viewpage.action?pageId=4260769) * [索引API改變](/pages/viewpage.action?pageId=4260773) * [文檔API改變](/pages/viewpage.action?pageId=4260778) * [設置的改變](/pages/viewpage.action?pageId=4260784) * [分配改變](/pages/viewpage.action?pageId=4260787) * [HTTP改變](/pages/viewpage.action?pageId=4260790) * [REST API改變](/pages/viewpage.action?pageId=4260795) * [CAT API改變](/pages/viewpage.action?pageId=4260800) * [Java API改變](/pages/viewpage.action?pageId=4260805) * [Packaging](/display/Elasticsearch/Packaging) * [Plugin改變](/pages/viewpage.action?pageId=4260816) * [文件系統相關改變](/pages/viewpage.action?pageId=4260820) * [磁盤上數據的路徑](/pages/viewpage.action?pageId=4260823) * [聚合改變](/pages/viewpage.action?pageId=4260826) * [腳本相關改變](/pages/viewpage.action?pageId=4260829)
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