use of org.opensearch.action.DocWriteResponse.Result.UPDATED in project OpenSearch by opensearch-project.
the class ClusterDisruptionIT method testAckedIndexing.
/**
* Test that we do not loose document whose indexing request was successful, under a randomly selected disruption scheme
* We also collect & report the type of indexing failures that occur.
* <p>
* This test is a superset of tests run in the Jepsen test suite, with the exception of versioned updates
*/
@TestIssueLogging(value = "_root:DEBUG,org.opensearch.action.bulk:TRACE,org.opensearch.action.get:TRACE," + "org.opensearch.discovery:TRACE,org.opensearch.action.support.replication:TRACE," + "org.opensearch.cluster.service:TRACE,org.opensearch.indices.recovery:TRACE," + "org.opensearch.indices.cluster:TRACE,org.opensearch.index.shard:TRACE", issueUrl = "https://github.com/elastic/elasticsearch/issues/41068")
public void testAckedIndexing() throws Exception {
final int seconds = !(TEST_NIGHTLY && rarely()) ? 1 : 5;
final String timeout = seconds + "s";
final List<String> nodes = startCluster(rarely() ? 5 : 3);
assertAcked(prepareCreate("test").setSettings(Settings.builder().put(indexSettings()).put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1 + randomInt(2)).put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, randomInt(2))));
ensureGreen();
ServiceDisruptionScheme disruptionScheme = addRandomDisruptionScheme();
logger.info("disruption scheme [{}] added", disruptionScheme);
// id -> node sent.
final ConcurrentHashMap<String, String> ackedDocs = new ConcurrentHashMap<>();
final AtomicBoolean stop = new AtomicBoolean(false);
List<Thread> indexers = new ArrayList<>(nodes.size());
List<Semaphore> semaphores = new ArrayList<>(nodes.size());
final AtomicInteger idGenerator = new AtomicInteger(0);
final AtomicReference<CountDownLatch> countDownLatchRef = new AtomicReference<>();
final List<Exception> exceptedExceptions = new CopyOnWriteArrayList<>();
final ConflictMode conflictMode = ConflictMode.randomMode();
final List<String> fieldNames = IntStream.rangeClosed(0, randomInt(10)).mapToObj(n -> "f" + n).collect(Collectors.toList());
logger.info("starting indexers using conflict mode " + conflictMode);
try {
for (final String node : nodes) {
final Semaphore semaphore = new Semaphore(0);
semaphores.add(semaphore);
final Client client = client(node);
final String name = "indexer_" + indexers.size();
final int numPrimaries = getNumShards("test").numPrimaries;
Thread thread = new Thread(() -> {
while (!stop.get()) {
String id = null;
try {
if (!semaphore.tryAcquire(10, TimeUnit.SECONDS)) {
continue;
}
logger.info("[{}] Acquired semaphore and it has {} permits left", name, semaphore.availablePermits());
try {
id = Integer.toString(idGenerator.incrementAndGet());
int shard = Math.floorMod(Murmur3HashFunction.hash(id), numPrimaries);
logger.trace("[{}] indexing id [{}] through node [{}] targeting shard [{}]", name, id, node, shard);
IndexRequestBuilder indexRequestBuilder = client.prepareIndex("test").setId(id).setSource(Collections.singletonMap(randomFrom(fieldNames), randomNonNegativeLong()), XContentType.JSON).setTimeout(timeout);
if (conflictMode == ConflictMode.external) {
indexRequestBuilder.setVersion(randomIntBetween(1, 10)).setVersionType(VersionType.EXTERNAL);
} else if (conflictMode == ConflictMode.create) {
indexRequestBuilder.setCreate(true);
}
IndexResponse response = indexRequestBuilder.get(timeout);
assertThat(response.getResult(), is(oneOf(CREATED, UPDATED)));
ackedDocs.put(id, node);
logger.trace("[{}] indexed id [{}] through node [{}], response [{}]", name, id, node, response);
} catch (OpenSearchException e) {
exceptedExceptions.add(e);
final String docId = id;
logger.trace(() -> new ParameterizedMessage("[{}] failed id [{}] through node [{}]", name, docId, node), e);
} finally {
countDownLatchRef.get().countDown();
logger.trace("[{}] decreased counter : {}", name, countDownLatchRef.get().getCount());
}
} catch (InterruptedException e) {
// fine - semaphore interrupt
} catch (AssertionError | Exception e) {
logger.info(() -> new ParameterizedMessage("unexpected exception in background thread of [{}]", node), e);
}
}
});
thread.setName(name);
thread.start();
indexers.add(thread);
}
int docsPerIndexer = randomInt(3);
logger.info("indexing {} docs per indexer before partition", docsPerIndexer);
countDownLatchRef.set(new CountDownLatch(docsPerIndexer * indexers.size()));
for (Semaphore semaphore : semaphores) {
semaphore.release(docsPerIndexer);
}
assertTrue(countDownLatchRef.get().await(1, TimeUnit.MINUTES));
for (int iter = 1 + randomInt(2); iter > 0; iter--) {
logger.info("starting disruptions & indexing (iteration [{}])", iter);
disruptionScheme.startDisrupting();
docsPerIndexer = 1 + randomInt(5);
logger.info("indexing {} docs per indexer during partition", docsPerIndexer);
countDownLatchRef.set(new CountDownLatch(docsPerIndexer * indexers.size()));
Collections.shuffle(semaphores, random());
for (Semaphore semaphore : semaphores) {
assertThat(semaphore.availablePermits(), equalTo(0));
semaphore.release(docsPerIndexer);
}
logger.info("waiting for indexing requests to complete");
assertTrue(countDownLatchRef.get().await(docsPerIndexer * seconds * 1000 + 2000, TimeUnit.MILLISECONDS));
logger.info("stopping disruption");
disruptionScheme.stopDisrupting();
for (String node : internalCluster().getNodeNames()) {
ensureStableCluster(nodes.size(), TimeValue.timeValueMillis(disruptionScheme.expectedTimeToHeal().millis() + DISRUPTION_HEALING_OVERHEAD.millis()), true, node);
}
// is the super-connected node and recovery source and target are on opposite sides of the bridge
if (disruptionScheme instanceof NetworkDisruption && ((NetworkDisruption) disruptionScheme).getDisruptedLinks() instanceof Bridge) {
assertBusy(() -> assertAcked(client().admin().cluster().prepareReroute().setRetryFailed(true)));
}
ensureGreen("test");
logger.info("validating successful docs");
assertBusy(() -> {
for (String node : nodes) {
try {
logger.debug("validating through node [{}] ([{}] acked docs)", node, ackedDocs.size());
for (String id : ackedDocs.keySet()) {
assertTrue("doc [" + id + "] indexed via node [" + ackedDocs.get(id) + "] not found", client(node).prepareGet("test", id).setPreference("_local").get().isExists());
}
} catch (AssertionError | NoShardAvailableActionException e) {
throw new AssertionError(e.getMessage() + " (checked via node [" + node + "]", e);
}
}
}, 30, TimeUnit.SECONDS);
logger.info("done validating (iteration [{}])", iter);
}
} finally {
logger.info("shutting down indexers");
stop.set(true);
for (Thread indexer : indexers) {
indexer.interrupt();
indexer.join(60000);
}
if (exceptedExceptions.size() > 0) {
StringBuilder sb = new StringBuilder();
for (Exception e : exceptedExceptions) {
sb.append("\n").append(e.getMessage());
}
logger.debug("Indexing exceptions during disruption: {}", sb);
}
}
}
Aggregations