Merge pull request #20488 from areek/docs/clarify_plugins_installation

[DOC] Add note requiring full cluster restart for installing plugins with custom metadata
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Areek Zillur 2016-09-15 17:05:27 -04:00 committed by GitHub
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@ -16,6 +16,10 @@ Plugins contain JAR files, but may also contain scripts and config files, and
must be installed on every node in the cluster. After installation, each
node must be restarted before the plugin becomes visible.
NOTE: A full cluster restart is required for installing plugins that have
custom cluster state metadata, such as X-Pack. It is still possible to upgrade
such plugins with a rolling restart.
This documentation distinguishes two categories of plugins:
Core Plugins:: This category identifies plugins that are part of Elasticsearch