Build Scans:

• elasticsearch-intake #26255 / part1
• elasticsearch-intake #26257 / part1

Reproduction Line:

./gradlew ":server:internalClusterTest" --tests "org.elasticsearch.index.mapper.vectors.DenseVectorFieldIndexTypeUpdateIT.testDenseVectorMappingUpdate {initialType=int4_flat updateType=int4_hnsw}" -Dtests.seed=B5022211F1D1A1 -Dtests.locale=ff-Latn-MR -Dtests.timezone=Indian/Maldives -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: 2 Successful shards: 2 & 0 shard failures:

Issue Reasons:

• [main] 2 consecutive failures in test testDenseVectorMappingUpdate {initialType=int4_flat updateType=int4_hnsw}
• [main] 2 consecutive failures in step part1
• [main] 2 consecutive failures in pipeline elasticsearch-intake
• [main] 2 failures in test testDenseVectorMappingUpdate {initialType=int4_flat updateType=int4_hnsw} (1.6% fail rate in 123 executions)
• [main] 2 failures in step part1 (4.5% fail rate in 44 executions)
• [main] 2 failures in pipeline elasticsearch-intake (4.5% fail rate in 44 executions)

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