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

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #26266 / part1
• elasticsearch-pull-request #83409 / part-1
• elasticsearch-pull-request #83347 / part-1

Reproduction Line:

./gradlew ":server:internalClusterTest" --tests "org.elasticsearch.index.mapper.vectors.DenseVectorFieldIndexTypeUpdateIT.testDenseVectorMappingUpdate {initialType=int8_flat updateType=bbq_flat}" -Dtests.seed=6AC5F67EF86041B6 -Dtests.locale=sr-Cyrl -Dtests.timezone=Africa/Kigali -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Count is 1 hits but 2 was expected.  Total shards: 1 Successful shards: 1 & 0 shard failures:

Issue Reasons:

• [main] 3 failures in test testDenseVectorMappingUpdate {initialType=bbq_hnsw updateType=bbq_disk Discovery: Support local (JVM level) discovery #2} (1.7% fail rate in 173 executions)
• [main] 2 failures in step part-1 (2.4% fail rate in 85 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (2.4% fail rate in 84 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 testDenseVectorMappingUpdate {initialType=bbq_hnsw updateType=bbq_disk Discovery: Support local (JVM level) discovery #2} (1.7% fail rate in 173 executions)
• [main] 2 failures in step part-1 (2.4% fail rate in 85 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (2.4% fail rate in 84 executions)

Build Scans:

• elasticsearch-intake #26266 / part1
• elasticsearch-pull-request #83409 / part-1
• elasticsearch-pull-request #83347 / part-1

[elasticsearchmachine]

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