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[9.0] TEST Fix ThreadPoolMergeExecutorServiceTests testIORateIsAdjustedForAllRunningMergeTasks #130562

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Merged
merged 1 commit into from
Jul 3, 2025
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[9.0] TEST Fix ThreadPoolMergeExecutorServiceTests testIORateIsAdjustedForAllRunningMergeTasks #130562

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3 changes: 0 additions & 3 deletions muted-tests.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -276,9 +276,6 @@ tests:
- class: org.elasticsearch.packaging.test.DockerTests
method: test010Install
issue: https://github.com/elastic/elasticsearch/issues/125680
- class: org.elasticsearch.index.engine.ThreadPoolMergeExecutorServiceTests
method: testIORateIsAdjustedForAllRunningMergeTasks
issue: https://github.com/elastic/elasticsearch/issues/129531
- class: org.elasticsearch.packaging.test.DockerTests
method: test600Interrupt
issue: https://github.com/elastic/elasticsearch/issues/128144
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14 changes: 1 addition & 13 deletions server/src/test/java/org/elasticsearch/index/engine/ThreadPoolMergeExecutorServiceTests.java
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Expand Up @@ -51,7 +51,6 @@
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.greaterThanOrEqualTo;
import static org.hamcrest.Matchers.hasItem;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.lessThan;
import static org.hamcrest.Matchers.lessThanOrEqualTo;
Expand Down Expand Up @@ -329,7 +328,6 @@ public void testIORateIsAdjustedForAllRunningMergeTasks() throws Exception {
ThreadPoolExecutor threadPoolExecutor = (ThreadPoolExecutor) testThreadPool.executor(ThreadPool.Names.MERGE);
Semaphore runMergeSemaphore = new Semaphore(0);
Set<MergeTask> currentlyRunningMergeTasksSet = ConcurrentCollections.newConcurrentSet();
Set<MergeTask> currentlyRunningOrAbortingMergeTasksSet = ConcurrentCollections.newConcurrentSet();
while (mergesStillToComplete > 0) {
if (mergesStillToSubmit > 0 && (currentlyRunningMergeTasksSet.isEmpty() || randomBoolean())) {
MergeTask mergeTask = mock(MergeTask.class);
Expand All @@ -347,27 +345,17 @@ public void testIORateIsAdjustedForAllRunningMergeTasks() throws Exception {
}).when(mergeTask).schedule();
doAnswer(mock -> {
currentlyRunningMergeTasksSet.add(mergeTask);
currentlyRunningOrAbortingMergeTasksSet.add(mergeTask);
// wait to be signalled before completing
runMergeSemaphore.acquire();
currentlyRunningOrAbortingMergeTasksSet.remove(mergeTask);
currentlyRunningMergeTasksSet.remove(mergeTask);
return null;
}).when(mergeTask).run();
doAnswer(mock -> {
currentlyRunningOrAbortingMergeTasksSet.add(mergeTask);
// wait to be signalled before completing
runMergeSemaphore.acquire();
currentlyRunningOrAbortingMergeTasksSet.remove(mergeTask);
return null;
}).when(mergeTask).abort();
assertThat(runMergeSemaphore.availablePermits(), is(0));
boolean isAnyExecutorAvailable = currentlyRunningOrAbortingMergeTasksSet.size() < mergeExecutorThreadCount;
boolean mergeTaskSubmitted = threadPoolMergeExecutorService.submitMergeTask(mergeTask);
assertTrue(mergeTaskSubmitted);
if (isAnyExecutorAvailable) {
assertBusy(() -> assertThat(currentlyRunningOrAbortingMergeTasksSet, hasItem(mergeTask)));
}
assertTrue(threadPoolMergeExecutorService.submitMergeTask(mergeTask));
long latestIORate = threadPoolMergeExecutorService.getTargetIORateBytesPerSec();
// all currently running merge tasks must be IO throttled to the latest IO Rate
assertBusy(() -> {
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