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TESTS: Fix Race Condition in Temp Path Creation #33352

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Merged
merged 3 commits into from
Sep 3, 2018
Merged

TESTS: Fix Race Condition in Temp Path Creation #33352

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7908f52
TESTS: Fix Race Condition in Temp Path Creation
original-brownbear Sep 3, 2018
c0c5c98
Merge remote-tracking branch 'elastic/master' into 33344
original-brownbear Sep 3, 2018
87d6200
CR: Rename field
original-brownbear Sep 3, 2018
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10 changes: 6 additions & 4 deletions server/src/test/java/org/elasticsearch/index/engine/LuceneChangesSnapshotTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@

package org.elasticsearch.index.engine;

import java.nio.file.Path;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.core.internal.io.IOUtils;
import org.elasticsearch.index.IndexSettings;
Expand Down Expand Up @@ -191,13 +192,12 @@ public void testDedupByPrimaryTerm() throws Exception {
}
}

@AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/33344")
public void testUpdateAndReadChangesConcurrently() throws Exception {
Follower[] followers = new Follower[between(1, 3)];
CountDownLatch readyLatch = new CountDownLatch(followers.length + 1);
AtomicBoolean isDone = new AtomicBoolean();
for (int i = 0; i < followers.length; i++) {
followers[i] = new Follower(engine, isDone, readyLatch);
followers[i] = new Follower(engine, isDone, readyLatch, createTempDir());
followers[i].start();
}
boolean onPrimary = randomBoolean();
Expand Down Expand Up @@ -236,13 +236,15 @@ class Follower extends Thread {
private final TranslogHandler translogHandler;
private final AtomicBoolean isDone;
private final CountDownLatch readLatch;
private final Path translogPath;

Follower(Engine leader, AtomicBoolean isDone, CountDownLatch readLatch) {
Follower(Engine leader, AtomicBoolean isDone, CountDownLatch readLatch, Path translogPath) {
this.leader = leader;
this.isDone = isDone;
this.readLatch = readLatch;
this.translogHandler = new TranslogHandler(xContentRegistry(), IndexSettingsModule.newIndexSettings(shardId.getIndexName(),
engine.engineConfig.getIndexSettings().getSettings()));
this.translogPath = translogPath;
}

void pullOperations(Engine follower) throws IOException {
Expand All @@ -261,7 +263,7 @@ void pullOperations(Engine follower) throws IOException {
@Override
public void run() {
try (Store store = createStore();
InternalEngine follower = createEngine(store, createTempDir())) {
InternalEngine follower = createEngine(store, translogPath)) {
readLatch.countDown();
readLatch.await();
while (isDone.get() == false ||
Expand Down