[CI] PercentileIntGroupingAggregatorFunctionTests testManyInitialManyPartialFinalRunner failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #8210 / openjdk24_checkpart3_java-matrix
• elasticsearch-intake #22889 / part3

Reproduction Line:

./gradlew ":x-pack:plugin:esql:compute:test" --tests "org.elasticsearch.compute.aggregation.PercentileIntGroupingAggregatorFunctionTests.testManyInitialManyPartialFinalRunner" -Dtests.seed=F52E3C728DDE6B38 -Dtests.locale=fa-IR -Dtests.timezone=America/Swift_Current -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
No

Failure History:
See dashboard

Failure Message:

java.lang.ArrayIndexOutOfBoundsException: Index 245 out of bounds for length 244

Issue Reasons:

• [main] 2 failures in test testManyInitialManyPartialFinalRunner (0.4% fail rate in 568 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 testManyInitialManyPartialFinalRunner (0.4% fail rate in 568 executions)

Build Scans:

• elasticsearch-periodic #8210 / openjdk24_checkpart3_java-matrix
• elasticsearch-intake #22889 / part3

[elasticsearchmachine]

Pinging @elastic/es-analytical-engine (Team:Analytics)

[idegtiarenko]

@ivancea do you mind taking a look? #127582 was the last change affecting this