[CI] ThreadPoolMergeSchedulerStressTestIT testMergingFallsBehindAndThenCatchesUp failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #20849 / part1
• elasticsearch-periodic-platform-support #7273 / ubuntu-2404-aarch64_checkpart1_platform-support-arm

Reproduction Line:

./gradlew ":server:internalClusterTest" --tests "org.elasticsearch.index.engine.ThreadPoolMergeSchedulerStressTestIT.testMergingFallsBehindAndThenCatchesUp" -Dtests.seed=BEBE22A867691519 -Dtests.locale=ml-Mlym-IN -Dtests.timezone=Africa/Timbuktu -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.Error: Maximum permit count exceeded

Issue Reasons:

• [main] 2 failures in test testMergingFallsBehindAndThenCatchesUp (0.9% fail rate in 212 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 testMergingFallsBehindAndThenCatchesUp (0.9% fail rate in 212 executions)

Build Scans:

• elasticsearch-intake #20849 / part1
• elasticsearch-periodic-platform-support #7273 / ubuntu-2404-aarch64_checkpart1_platform-support-arm

[elasticsearchmachine]

Pinging @elastic/es-distributed-indexing (Team:Distributed Indexing)