Build Scans:

• elasticsearch-periodic #9678 / openjdk23_checkpart1_java-matrix
• elasticsearch-pull-request #83399 / part-1
• elasticsearch-intake #26232 / part1
• elasticsearch-pull-request #83363 / part-1
• elasticsearch-pull-request #83343 / part-1
• elasticsearch-pull-request #83321 / part-1
• elasticsearch-pull-request #83312 / part-1

Reproduction Line:

./gradlew ":server:internalClusterTest" --tests "org.elasticsearch.index.mapper.vectors.DenseVectorFieldIndexTypeUpdateIT.testDenseVectorMappingUpdate {initialType=hnsw updateType=bbq_hnsw}" -Dtests.seed=4EA6C16A0B862E84 -Dtests.locale=raj -Dtests.timezone=Canada/Atlantic -Druntime.java=23

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Count is 6 hits but 7 was expected.  Total shards: 5 Successful shards: 5 & 0 shard failures:

Issue Reasons:

• [main] 7 failures in test testDenseVectorMappingUpdate {initialType=hnsw updateType=bbq_hnsw} (8.8% fail rate in 80 executions)
• [main] 5 failures in step part-1 (9.6% fail rate in 52 executions)
• [main] 5 failures in pipeline elasticsearch-pull-request (9.8% fail rate in 51 executions)

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