[CI] DenseVectorFieldIndexTypeUpdateIT testDenseVectorMappingUpdate {initialType=flat updateType=int8_flat} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #26243 / part1
• elasticsearch-pull-request #83399 / part-1
• elasticsearch-pull-request #83336 / part-1

Reproduction Line:

./gradlew ":server:internalClusterTest" --tests "org.elasticsearch.index.mapper.vectors.DenseVectorFieldIndexTypeUpdateIT.testDenseVectorMappingUpdate {initialType=flat updateType=int8_flat}" -Dtests.seed=9A0ECE3A79E49353 -Dtests.locale=en-PG -Dtests.timezone=Asia/Magadan -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Count is 6 hits but 9 was expected.  Total shards: 1 Successful shards: 1 & 0 shard failures:

Issue Reasons:

• [main] 3 failures in test testDenseVectorMappingUpdate {initialType=flat updateType=int8_flat} (3.2% fail rate in 93 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.

[elasticsearchmachine]

This has been muted on branch main

Mute Reasons:

• [main] 3 failures in test testDenseVectorMappingUpdate {initialType=flat updateType=int8_flat} (3.2% fail rate in 93 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)

Build Scans:

• elasticsearch-intake #26243 / part1
• elasticsearch-pull-request #83399 / part-1
• elasticsearch-pull-request #83336 / part-1

[elasticsearchmachine]

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

[carlosdelest]

Closed by #132176