Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

AsyncTwoPhaseIndexerTests race condition fixed Backport(#37830) #38195

Merged
merged 1 commit into from
Feb 4, 2019
Merged

AsyncTwoPhaseIndexerTests race condition fixed Backport(#37830) #38195

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 19 additions & 3 deletions ...n/core/src/test/java/org/elasticsearch/xpack/core/indexing/AsyncTwoPhaseIndexerTests.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -20,9 +20,11 @@

import java.io.IOException;
import java.util.Collections;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;

Expand All @@ -34,11 +36,14 @@ public class AsyncTwoPhaseIndexerTests extends ESTestCase {

private class MockIndexer extends AsyncTwoPhaseIndexer<Integer, MockJobStats> {

private final CountDownLatch latch;
// test the execution order
private int step;

protected MockIndexer(Executor executor, AtomicReference<IndexerState> initialState, Integer initialPosition) {
protected MockIndexer(Executor executor, AtomicReference<IndexerState> initialState, Integer initialPosition,
CountDownLatch latch) {
super(executor, initialState, initialPosition, new MockJobStats());
this.latch = latch;
}

@Override
Expand All @@ -48,11 +53,20 @@ protected String getJobId() {

@Override
protected IterationResult<Integer> doProcess(SearchResponse searchResponse) {
awaitForLatch();
assertThat(step, equalTo(3));
++step;
return new IterationResult<Integer>(Collections.emptyList(), 3, true);
}

private void awaitForLatch() {
try {
latch.await(10, TimeUnit.SECONDS);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}

@Override
protected SearchRequest buildSearchRequest() {
assertThat(step, equalTo(1));
Expand Down Expand Up @@ -195,12 +209,14 @@ public void testStateMachine() throws InterruptedException {
final ExecutorService executor = Executors.newFixedThreadPool(1);
isFinished.set(false);
try {

MockIndexer indexer = new MockIndexer(executor, state, 2);
CountDownLatch countDownLatch = new CountDownLatch(1);
MockIndexer indexer = new MockIndexer(executor, state, 2, countDownLatch);
indexer.start();
assertThat(indexer.getState(), equalTo(IndexerState.STARTED));
assertTrue(indexer.maybeTriggerAsyncJob(System.currentTimeMillis()));
assertThat(indexer.getState(), equalTo(IndexerState.INDEXING));
countDownLatch.countDown();

assertThat(indexer.getPosition(), equalTo(2));
ESTestCase.awaitBusy(() -> isFinished.get());
assertThat(indexer.getStep(), equalTo(6));
Expand Down