[[breaking-changes-7.1]]
== Breaking changes in 7.1
++++
<titleabbrev>7.1</titleabbrev>
++++

This section discusses the changes that you need to be aware of when migrating
your application to Elasticsearch 7.1.

See also <<release-highlights>> and <<es-release-notes>>.

//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]
[[breaking_71_http_changes]]
=== HTTP changes

[discrete]
==== Deprecation of old HTTP settings

The `http.tcp_no_delay` setting is deprecated in 7.1. It is replaced by
`http.tcp.no_delay`.

[discrete]
[[breaking_71_network_changes]]
=== Network changes

[discrete]
==== Deprecation of old network settings

The `network.tcp.connect_timeout` setting is deprecated in 7.1. This setting
was a fallback setting for `transport.connect_timeout`. To change the default
connection timeout for client connections, modify `transport.connect_timeout`.

[discrete]
[[breaking_71_transport_changes]]
=== Transport changes

//tag::notable-breaking-changes[]
[discrete]
==== Deprecation of old transport settings

The following settings are deprecated in 7.1. Each setting has a replacement
setting that was introduced in 6.7.

- `transport.tcp.port` is replaced by `transport.port`
- `transport.tcp.compress` is replaced by `transport.compress`
- `transport.tcp.connect_timeout` is replaced by `transport.connect_timeout`
- `transport.tcp_no_delay` is replaced by `transport.tcp.no_delay`
- `transport.profiles.profile_name.tcp_no_delay` is replaced by
`transport.profiles.profile_name.tcp.no_delay`
- `transport.profiles.profile_name.tcp_keep_alive` is replaced by
`transport.profiles.profile_name.tcp.keep_alive`
- `transport.profiles.profile_name.reuse_address` is replaced by
`transport.profiles.profile_name.tcp.reuse_address`
- `transport.profiles.profile_name.send_buffer_size` is replaced by `transport.profiles.profile_name.tcp.send_buffer_size`
- `transport.profiles.profile_name.receive_buffer_size` is replaced by `transport.profiles.profile_name.tcp.receive_buffer_size`

// end::notable-breaking-changes[]