HCP System Management Help
For operation-based queries, HCP caches each query for a period of time on the node that receives the request. If you use an IP address in the URL in each request, you access the cached query and avoid having to recreate the query with each request. This can significantly improve the performance of paged queries that return metadata for large numbers of objects.
Some HTTP libraries cache HTTP connections. Programs using these libraries may automatically reconnect to the same node for paged queries. In this case, using a hostname to establish the connection provides the same performance benefit as using an IP address.
For more information on the relative advantages of hostnames and IP addresses, see Using a Namespace or Using the Default Namespace.
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