IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elasticsearch Plugins and Integrations [2.2] ›Discovery Plugins ›AWS Cloud Plugin

AWS VPC Bandwidth Settings

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AWS VPC Bandwidth Settings

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AWS instances resolve S3 endpoints to a public IP. If the elasticsearch instances reside in a private subnet in an AWS VPC then all traffic to S3 will go through that VPC’s NAT instance. If your VPC’s NAT instance is a smaller instance size (e.g. a t1.micro) or is handling a high volume of network traffic your bandwidth to S3 may be limited by that NAT instance’s networking bandwidth limitations.

Instances residing in a public subnet in an AWS VPC will connect to S3 via the VPC’s internet gateway and not be bandwidth limited by the VPC’s NAT instance.

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