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As previously advised in #104087, machine learning functionality will no longer be available on macOS x86_64.

Machine learning functionality is still available on macOS by using an arm64 machine (Apple silicon). It is also possible to run Elasticsearch with machine learning functionality within a Docker container on macOS x86_64.

This PR should be merged to main after the branch is split for the last minor release scheduled for before December 2024. For example, suppose 8.17.0 is scheduled for release in November 2024 and 8.18.0 is scheduled for release in January 2025. Then this PR should be merged to main after the 8.17 branch is split.

One this PR is merged a followup PR should be opened against the ml-cpp repo to remove the build system for darwin-x86_64. It has been confirmed that with this change in place the Elasticsearch build system works with an ml-cpp bundle that does not contain a platform/darwin-x86_64 directory. It still produces an Elasticsearch build that will run providing xpack.ml.enabled is not explicitly set to true.

After the build system for darwin-x86_64 has been removed from the ml-cpp repo, we will be able to do another PyTorch upgrade without having to worry about tweaking the build system to work on Intel macOS.

Backports #104125

As previously advised in elastic#104087, machine learning functionality will no longer be available on macOS x86_64. Machine learning functionality is still available on macOS by using an arm64 machine (Apple silicon). It is also possible to run Elasticsearch with machine learning functionality within a Docker container on macOS x86_64. This PR should be merged to main after the branch is split for the last minor release scheduled for before December 2024. For example, suppose 8.17.0 is scheduled for release in November 2024 and 8.18.0 is scheduled for release in January 2025. Then this PR should be merged to main after the 8.17 branch is split. One this PR is merged a followup PR should be opened against the ml-cpp repo to remove the build system for darwin-x86_64. It has been confirmed that with this change in place the Elasticsearch build system works with an ml-cpp bundle that does not contain a platform/darwin-x86_64 directory. It still produces an Elasticsearch build that will run providing xpack.ml.enabled is not explicitly set to true. After the build system for darwin-x86_64 has been removed from the ml-cpp repo, we will be able to do another PyTorch upgrade without having to worry about tweaking the build system to work on Intel macOS. --------- Co-authored-by: Ed Savage <ed.savage@elastic.co> Co-authored-by: Valeriy Khakhutskyy <1292899+valeriy42@users.noreply.github.com>
@edsavage edsavage merged commit 5170cae into elastic:8.x Nov 29, 2024
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