Build Scans:

• elasticsearch-periodic-platform-support #9689 / almalinux-8-aarch64_checkpart1_platform-support-arm
• elasticsearch-pull-request #83409 / part-1
• elasticsearch-pull-request #83290 / part-1

Reproduction Line:

./gradlew ":server:internalClusterTest" --tests "org.elasticsearch.index.mapper.vectors.DenseVectorFieldIndexTypeUpdateIT.testDenseVectorMappingUpdate {initialType=int8_flat updateType=int4_flat}" -Dtests.seed=EF38FFBA2705EF8 -Dtests.locale=pl-Latn-PL -Dtests.timezone=Etc/Zulu -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Count is 2 hits but 4 was expected.  Total shards: 2 Successful shards: 2 & 0 shard failures:

Issue Reasons:

• [main] 3 failures in test testDenseVectorMappingUpdate {initialType=int8_flat updateType=int4_flat} (3.4% fail rate in 88 executions)
• [main] 2 failures in step part-1 (3.6% fail rate in 56 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (3.6% fail rate in 55 executions)

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