ElasticSearch ——（五）升级 Upgrade Elasticsearch

最新推荐文章于 2023-08-09 09:58:13 发布

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最新推荐文章于 2023-08-09 09:58:13 发布

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分类专栏： ElasticSearch ElasticSearch系统性学习

本文链接：https://blog.youkuaiyun.com/weixin_42142408/article/details/89011180

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本文介绍了Elasticsearch的升级方法，包括不中断服务的Rolling upgrades和需要全集群重启的情况。Rolling upgrades适用于小版本升级，如从5.6到6.x，但跨大版本升级需要全集群重启并可能涉及重新索引。升级前，确保升级所有Elastic Stack产品。在进行Rolling upgrades时，建议停止非必要索引操作并执行synced flush以加速恢复。

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Upgrade Elasticsearch

Elasticsearch can usually be upgraded using a Rolling upgrade process so upgrading does not interrupt service. However, you might need to Reindex to upgrade indices created in older versions. Upgrades across major versions prior to 6.0 require a Full cluster restart.

ES通常可以使用Rolling upgrade来进行升级，在中断服务的情况下。但是升级可能需要重新索引。升级主版本到6.0需要整个集群重启。

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When upgrading to a new version of Elasticsearch, you need to upgrade each of the products in your Elastic Stack. The steps you need to take to upgrade differ depending on which products you are using. Want a list that’s tailored to your stack? Try out our Interactive Upgrade Guide. For more information about upgrading your stack, see Upgrading the Elastic Stack.

当更新到ES的新版本，需