The steps you need to take to upgrade differ depending on which products youare using. Want a list that’s tailored to your stack? Try out our.If you are running a pre-6.0 version, we recommend upgrading to the mostrecent 5.6 before upgrading to 6.8.9.

X-Pack 5.6provides a free Upgrade Assistant that identifies issues you need to addressbefore upgrading and simplifies migrating indices that need to be reindexedbefore you upgrade. The Upgrade Assistant is enabled with both Trial andBasic licenses. You can install X-Pack solely for the purpose of upgrading.In 6.3 and later, X-Pack is automatically installed when you install Elasticsearch,Kibana, and Logstash.Rolling upgrades are supported when upgrading from Elasticsearch 5.6 andElasticsearch 6.0-6.2 to 6.8.9.

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Upgrading from anyversion prior to 5.6 requires a full cluster restart.If you’re upgrading from 2.n, make sure you check the breaking changes from2.n to 5.n, as well as from 5.n to 6.n!.If you are using machine learning datafeeds that contain discontinued search or querydomain specific language (DSL), the upgrade will fail. In 5.6.5 and later, theUpgrade Assistant provides information about which datafeeds need to be updated.or delete any indices created on 2.n. We recommendupgrading to the most recent 5.6 and using the X-Pack Reindex Helper to reindex 2.n indices.If Kibana and X-Pack are part of your stack, upgrade the internal Kibanaand X-Pack indices. We recommend using the X-Pack 5.6 Reindex Helper toupgrade the internal indices.

If you’re performing a full cluster restart upgradefrom an earlier version, you can also directly to upgrade theinternal indices after you install Elasticsearch 6.8.9.If you use Elastic Stack security features to secure your cluster. Enabling TLS requires a full cluster restart.

Nodes that have TLSenabled cannot communicate with nodes that do not have TLS enabled. You mustrestart all nodes to maintain communication across the cluster.Make sure real passwords are configured for the built-in elasticsearch,kibana, and logstashsystem users.

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They cannot use the 5.n defaultpassword ( changeme). For more information, see.Consider closing machine learning jobs before you start the upgrade process. It is notrequired, but there are pros and cons to leaving the jobs running. Theseconsiderations are described in the steps related to. Logstash 5.6 and 6.n and Beats 5.6 and 6.n are compatible with all 6.n versions ofElasticsearch. This provides flexibility in when you schedule the upgradesfor your Logstash instances and Beats agents. We recommend upgrading Logstashand Beats as soon as possible to take advantage of performance improvementsand other enhancements.

Upgrading from 6.0 - 6.2Starting in 6.3, the default distributions of Elasticsearch, Logstash, and Kibanainclude X-Pack and a free Basic license that never expires.You can perform rolling upgrades to 6.8.9 from OSS-only clusters running6.0-6.2. Basic features are operational once the cluster is fully upgraded.

Ifyou are already using X-Pack, your settings are preserved when you upgrade.If you are using X-Pack for the first time, you must explicitly enable datacollection after the upgrade to use monitoring. Setxpack.monitoring.collection.enabled to true with the cluster/settingsAPI.Create an index with 6.x compatible mappings.Use the to copy documents from the2.x index into the new index. You can use a script to perform any necessarymodifications to the document data and metadata during reindexing.Use the API to add the name of the 2.xindex as alias for the new index and delete the 2.x index.Upgrading internal indices for 6.xThe format used for the internal indices used by Kibana and X-Pack haschanged in 6.x. Before you can run Kibana and X-Pack in 6.8.9,these indices must be upgraded to the new format.

If you are upgrading from aversion prior to 5.6, you must upgrade them after after installingElasticsearch 6.8.9.To get a list of the indices that need to be upgraded, use the. Once you upgrade the.kibana index, you can run Kibana and use theX-Pack Reindex Helper UI to upgrade the other indices. Upgrading on Elastic CloudA single click in the Elastic Cloud console can upgrade a cluster to a newerversion, add more processing capacity, change plugins, and enable or disablehigh availability, all at the same time. During the upgrade process,Elasticsearch, Kibana, X-Pack and the officially included plugins areupgraded simultaneously.Although upgrading your Elastic Cloud clusters is easy, you still need toaddress breaking changes that affect your application.

Minor version upgrades,upgrades from 5.6 to 6.x, and all other cluster configurationchanges can be performed with no downtime.To avoid downtime when a full cluster restart is required.Provision an additional cluster with the new Elasticsearch version, reindexyour data, and send index requests to both clusters temporarily.Verify that the new cluster performs as expected, fix any problems, and thenpermanently swap in the new cluster.Delete the old cluster to stop incurring additional costs. You are billedonly for the time that the new cluster runs in parallel with your old cluster.Usage is billed on an hourly basis.To learn more about the upgrade process on Elastic Cloud, see.