[CI] SmokeTestMultiNodeClientYamlTestSuiteIT test {yaml=search.vectors/40_knn_search/Dimensions are dynamically set} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #9171 / sles-15_platform-support-unix
• elasticsearch-pull-request #78840 / part-6
• elasticsearch-pull-request #78835 / part-6

Reproduction Line:

./gradlew ":qa:smoke-test-multinode:yamlRestTest" --tests "org.elasticsearch.smoketest.SmokeTestMultiNodeClientYamlTestSuiteIT" -Dtests.method="test {yaml=search.vectors/40_knn_search/Dimensions are dynamically set}" -Dtests.seed=58E286845CA46FA9 -Dtests.locale=kkj-CM -Dtests.timezone=Asia/Saigon -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Failure at [search.vectors/40_knn_search:632]: field [test_index.mappings.properties.embedding.dims] is null

Issue Reasons:

• [main] 3 failures in test test {yaml=search.vectors/40_knn_search/Dimensions are dynamically set} (1.0% fail rate in 311 executions)
• [main] 2 failures in step part-6 (1.6% fail rate in 122 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (1.6% fail rate in 122 executions)

Note:
This issue was created using new test triage automation. Please report issues or feedback to es-delivery.

[elasticsearchmachine]

This has been muted on branch main

Mute Reasons:

• [main] 3 failures in test test {yaml=search.vectors/40_knn_search/Dimensions are dynamically set} (1.0% fail rate in 311 executions)
• [main] 2 failures in step part-6 (1.6% fail rate in 122 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (1.6% fail rate in 122 executions)

Build Scans:

• elasticsearch-periodic-platform-support #9171 / sles-15_platform-support-unix
• elasticsearch-pull-request #78840 / part-6
• elasticsearch-pull-request #78835 / part-6

[elasticsearchmachine]

Pinging @elastic/es-storage-engine (Team:StorageEngine)