27 lines
1009 B
Markdown
27 lines
1009 B
Markdown
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---
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mapped_pages:
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- https://www.elastic.co/guide/en/elasticsearch/plugins/current/discovery.html
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---
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# Discovery plugins [discovery]
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Discovery plugins extend Elasticsearch by adding new seed hosts providers that can be used to extend the [cluster formation module](docs-content://deploy-manage/distributed-architecture/discovery-cluster-formation.md).
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## Core discovery plugins [_core_discovery_plugins]
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The core discovery plugins are:
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[EC2 discovery](/reference/elasticsearch-plugins/discovery-ec2.md)
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: The EC2 discovery plugin uses the [AWS API](https://github.com/aws/aws-sdk-java) to identify the addresses of seed hosts.
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[Azure Classic discovery](/reference/elasticsearch-plugins/discovery-azure-classic.md)
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: The Azure Classic discovery plugin uses the Azure Classic API to identify the addresses of seed hosts.
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[GCE discovery](/reference/elasticsearch-plugins/discovery-gce.md)
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: The Google Compute Engine discovery plugin uses the GCE API to identify the addresses of seed hosts.
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