2013-08-29 01:24:34 +02:00
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[[modules]]
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= Modules
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2015-06-22 23:49:45 +02:00
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[partintro]
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--
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This section contains modules responsible for various aspects of the functionality in Elasticsearch. Each module has settings which may be:
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_static_::
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These settings must be set at the node level, either in the
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`elasticsearch.yml` file, or as an environment variable or on the command line
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when starting a node. They must be set on every relevant node in the cluster.
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_dynamic_::
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These settings can be dynamically updated on a live cluster with the
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<<cluster-update-settings,cluster-update-settings>> API.
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The modules in this section are:
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2018-12-20 13:02:44 +00:00
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<<modules-discovery,Discovery and cluster formation>>::
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2015-06-22 23:49:45 +02:00
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2018-12-20 13:02:44 +00:00
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How nodes discover each other, elect a master and form a cluster.
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2015-06-22 23:49:45 +02:00
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2018-12-20 13:02:44 +00:00
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<<modules-cluster,Shard allocation and cluster-level routing>>::
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2015-06-22 23:49:45 +02:00
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2018-12-20 13:02:44 +00:00
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Settings to control where, when, and how shards are allocated to nodes.
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2015-06-22 23:49:45 +02:00
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--
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2013-08-29 01:24:34 +02:00
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include::modules/discovery.asciidoc[]
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2018-12-20 13:02:44 +00:00
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include::modules/cluster.asciidoc[]
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