OpenSearch/docs/reference/migration/migrate_7_0/low_level_restclient.asciidoc

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[discrete]
[[breaking_70_low_level_restclient_changes]]
=== Low-level REST client changes
//NOTE: The notable-breaking-changes tagged regions are re-used in the
//Installation and Upgrade Guide
//tag::notable-breaking-changes[]
// end::notable-breaking-changes[]
[discrete]
[[maxretrytimeout-removed]]
==== Support for `maxRetryTimeout` removed from RestClient
`RestClient` and `RestClientBuilder` no longer support the `maxRetryTimeout`
setting. The setting was removed as its counting mechanism was not accurate
and caused issues while adding little value.
[discrete]
==== Deprecated flavors of performRequest have been removed
We deprecated the flavors of `performRequest` and `performRequestAsync` that
do not take `Request` objects in 6.4.0 in favor of the flavors that take
`Request` objects because those methods can be extended without breaking
backwards compatibility.
[discrete]
==== Removed setHosts
We deprecated `setHosts` in 6.4.0 in favor of `setNodes` because it supports
host metadata used by the `NodeSelector`.
[discrete]
==== Minimum compiler version change
The minimum compiler version on the low-level REST client has been bumped
to JDK 8.