[CI] DenseVectorFieldIndexTypeUpdateIT testDenseVectorMappingUpdate {initialType=int4_flat updateType=bbq_disk #2} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #9706 / openjdk24_checkpart1_java-matrix
• elasticsearch-pull-request #83491 / part-1

Reproduction Line:

./gradlew ":server:internalClusterTest" --tests "org.elasticsearch.index.mapper.vectors.DenseVectorFieldIndexTypeUpdateIT.testDenseVectorMappingUpdate {initialType=int4_flat updateType=bbq_disk #2}" -Dtests.seed=FA78E93FD14B8837 -Dtests.locale=zh-TW -Dtests.timezone=America/Araguaina -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Count is 5 hits but 6 was expected.  Total shards: 3 Successful shards: 3 & 0 shard failures:

Issue Reasons:

• [main] 2 failures in test testDenseVectorMappingUpdate {initialType=int4_flat updateType=bbq_disk Discovery: Support local (JVM level) discovery #2} (0.8% fail rate in 258 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] 2 failures in test testDenseVectorMappingUpdate {initialType=int4_flat updateType=bbq_disk Discovery: Support local (JVM level) discovery #2} (0.8% fail rate in 258 executions)

Build Scans:

• elasticsearch-periodic #9706 / openjdk24_checkpart1_java-matrix
• elasticsearch-pull-request #83491 / part-1

[elasticsearchmachine]

Pinging @elastic/es-search-relevance (Team:Search Relevance)