Mmuzaf commented on a change in pull request #7607: URL: https://github.com/apache/ignite/pull/7607#discussion_r412420558
########## File path: modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/IgniteClusterSnapshotSelfTest.java ########## @@ -0,0 +1,895 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.internal.processors.cache.persistence.snapshot; + +import java.io.File; +import java.io.IOException; +import java.io.Serializable; +import java.nio.file.OpenOption; +import java.util.Collections; +import java.util.List; +import java.util.concurrent.Callable; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.ThreadLocalRandom; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicBoolean; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.function.Function; +import java.util.function.Predicate; +import org.apache.ignite.Ignite; +import org.apache.ignite.IgniteCache; +import org.apache.ignite.IgniteCheckedException; +import org.apache.ignite.IgniteException; +import org.apache.ignite.Ignition; +import org.apache.ignite.cache.CacheAtomicityMode; +import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction; +import org.apache.ignite.cache.query.ScanQuery; +import org.apache.ignite.configuration.CacheConfiguration; +import org.apache.ignite.configuration.IgniteConfiguration; +import org.apache.ignite.internal.IgniteEx; +import org.apache.ignite.internal.IgniteInternalFuture; +import org.apache.ignite.internal.IgniteInterruptedCheckedException; +import org.apache.ignite.internal.NodeStoppingException; +import org.apache.ignite.internal.TestRecordingCommunicationSpi; +import org.apache.ignite.internal.events.DiscoveryCustomEvent; +import org.apache.ignite.internal.managers.discovery.DiscoveryCustomMessage; +import org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionDemandMessage; +import org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionSupplyMessage; +import org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture; +import org.apache.ignite.internal.processors.cache.distributed.dht.preloader.PartitionsExchangeAware; +import org.apache.ignite.internal.processors.cache.persistence.file.FileIO; +import org.apache.ignite.internal.processors.cache.persistence.file.FileIOFactory; +import org.apache.ignite.internal.processors.cache.persistence.file.RandomAccessFileIOFactory; +import org.apache.ignite.internal.processors.cache.persistence.partstate.GroupPartitionId; +import org.apache.ignite.internal.processors.metric.MetricRegistry; +import org.apache.ignite.internal.processors.metric.impl.ObjectGauge; +import org.apache.ignite.internal.util.distributed.DistributedProcess; +import org.apache.ignite.internal.util.distributed.FullMessage; +import org.apache.ignite.internal.util.distributed.SingleNodeMessage; +import org.apache.ignite.internal.util.typedef.G; +import org.apache.ignite.internal.util.typedef.internal.U; +import org.apache.ignite.lang.IgniteFuture; +import org.apache.ignite.spi.metric.LongMetric; +import org.apache.ignite.testframework.GridTestUtils; +import org.apache.ignite.transactions.Transaction; +import org.junit.Before; +import org.junit.Test; + +import static org.apache.ignite.cluster.ClusterState.ACTIVE; +import static org.apache.ignite.internal.events.DiscoveryCustomEvent.EVT_DISCOVERY_CUSTOM_EVT; +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.IgniteSnapshotManager.SNAPSHOT_METRICS; +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.IgniteSnapshotManager.SNP_IN_PROGRESS_ERR_MSG; +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.IgniteSnapshotManager.SNP_NODE_STOPPING_ERR_MSG; +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.IgniteSnapshotManager.isSnapshotOperation; +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.IgniteSnapshotManager.resolveSnapshotWorkDirectory; +import static org.apache.ignite.testframework.GridTestUtils.assertThrowsAnyCause; +import static org.apache.ignite.testframework.GridTestUtils.assertThrowsWithCause; + +/** + * Cluster-wide snapshot test. + */ +public class IgniteClusterSnapshotSelfTest extends AbstractSnapshotSelfTest { + /** Time to wait while rebalance may happen. */ + private static final long REBALANCE_AWAIT_TIME = GridTestUtils.SF.applyLB(10_000, 3_000); + + /** Cache configuration for test. */ + private static CacheConfiguration<Integer, Integer> atomicCcfg = new CacheConfiguration<Integer, Integer>("atomicCacheName") + .setAtomicityMode(CacheAtomicityMode.ATOMIC) + .setBackups(2) + .setAffinity(new RendezvousAffinityFunction(false) + .setPartitions(CACHE_PARTS_COUNT)); + + /** {@code true} if node should be started in separate jvm. */ + protected volatile boolean jvm; + + /** @throws Exception If fails. */ + @Before + @Override public void beforeTestSnapshot() throws Exception { + super.beforeTestSnapshot(); + + jvm = false; + } + + /** + * Take snapshot from the whole cluster and check snapshot consistency when the + * cluster tx load starts on a new topology version. + * Note: Client nodes and server nodes not in baseline topology must not be affected. + * + * @throws Exception If fails. + */ + @Test + public void testConsistentClusterSnapshotLoadNewTopology() throws Exception { + int grids = 3; + String snpName = "backup23012020"; + AtomicInteger atKey = new AtomicInteger(CACHE_KEYS_RANGE); + AtomicInteger txKey = new AtomicInteger(CACHE_KEYS_RANGE); + + IgniteEx ignite = startGrids(grids); + startClientGrid(); + + ignite.cluster().baselineAutoAdjustEnabled(false); + ignite.cluster().state(ACTIVE); + + // Start node not in baseline. + IgniteEx notBltIgnite = startGrid(grids); + File locSnpDir = snp(notBltIgnite).snapshotLocalDir(SNAPSHOT_NAME); + String notBltDirName = folderName(notBltIgnite); + + IgniteCache<Integer, Integer> atCache = ignite.createCache(atomicCcfg); + + for (int idx = 0; idx < CACHE_KEYS_RANGE; idx++) { + atCache.put(atKey.incrementAndGet(), -1); + ignite.cache(DEFAULT_CACHE_NAME).put(txKey.incrementAndGet(), -1); + } + + forceCheckpoint(); + + CountDownLatch loadLatch = new CountDownLatch(1); + + ignite.context().cache().context().exchange().registerExchangeAwareComponent(new PartitionsExchangeAware() { + /** {@inheritDoc} */ + @Override public void onInitBeforeTopologyLock(GridDhtPartitionsExchangeFuture fut) { + if (fut.firstEvent().type() != EVT_DISCOVERY_CUSTOM_EVT) + return; + + // First discovery custom event will be a snapshot operation. + assertTrue(isSnapshotOperation(fut.firstEvent())); + assertTrue("Snapshot must use pme-free exchange", fut.context().exchangeFreeSwitch()); + } + + /** {@inheritDoc} */ + @Override public void onInitAfterTopologyLock(GridDhtPartitionsExchangeFuture fut) { + if (fut.firstEvent().type() != EVT_DISCOVERY_CUSTOM_EVT) + return; + + DiscoveryCustomMessage msg = ((DiscoveryCustomEvent)fut.firstEvent()).customMessage(); + + assertNotNull(msg); + + if (msg instanceof SnapshotDiscoveryMessage) + loadLatch.countDown(); + } + }); + + // Start cache load. + IgniteInternalFuture<Long> loadFut = GridTestUtils.runMultiThreadedAsync(() -> { + try { + U.await(loadLatch); + + while (!Thread.currentThread().isInterrupted()) { + ThreadLocalRandom rnd = ThreadLocalRandom.current(); + + int atIdx = rnd.nextInt(grids); + + // Zero out the sign bit. + grid(atIdx).cache(atomicCcfg.getName()).put(txKey.incrementAndGet(), rnd.nextInt() & Integer.MAX_VALUE); + + int txIdx = rnd.nextInt(grids); + + grid(txIdx).cache(DEFAULT_CACHE_NAME).put(atKey.incrementAndGet(), rnd.nextInt() & Integer.MAX_VALUE); + } + } + catch (IgniteInterruptedCheckedException e) { + throw new RuntimeException(e); + } + }, 3, "cache-put-"); + + try { + IgniteFuture<Void> fut = ignite.snapshot().createSnapshot(snpName); + + U.await(loadLatch, 10, TimeUnit.SECONDS); + + fut.get(); + } + finally { + loadFut.cancel(); + } + + // Cluster can be deactivated but we must test snapshot restore when binary recovery also occurred. + stopAllGrids(); + + assertTrue("Snapshot directory must be empty for node not in baseline topology: " + notBltDirName, + !searchDirectoryRecursively(locSnpDir.toPath(), notBltDirName).isPresent()); + + IgniteEx snpIg0 = startGridsFromSnapshot(grids, snpName); + + assertEquals("The number of all (primary + backup) cache keys mismatch for cache: " + DEFAULT_CACHE_NAME, + CACHE_KEYS_RANGE, snpIg0.cache(DEFAULT_CACHE_NAME).size()); + + assertEquals("The number of all (primary + backup) cache keys mismatch for cache: " + atomicCcfg.getName(), + CACHE_KEYS_RANGE, snpIg0.cache(atomicCcfg.getName()).size()); + + snpIg0.cache(DEFAULT_CACHE_NAME).query(new ScanQuery<>(null)) + .forEach(e -> assertTrue("Snapshot must contains only negative values " + + "[cache=" + DEFAULT_CACHE_NAME + ", entry=" + e +']', (Integer)e.getValue() < 0)); + + snpIg0.cache(atomicCcfg.getName()).query(new ScanQuery<>(null)) + .forEach(e -> assertTrue("Snapshot must contains only negative values " + + "[cache=" + atomicCcfg.getName() + ", entry=" + e + ']', (Integer)e.getValue() < 0)); + } + + /** @throws Exception If fails. */ + @Test + public void testSnapshotPrimaryBackupsTheSame() throws Exception { + int grids = 3; + AtomicInteger cacheKey = new AtomicInteger(); + + IgniteEx ignite = startGridsWithCache(grids, dfltCacheCfg, CACHE_KEYS_RANGE); + + IgniteInternalFuture<Long> atLoadFut = GridTestUtils.runMultiThreadedAsync(() -> { + while (!Thread.currentThread().isInterrupted()) { + ThreadLocalRandom rnd = ThreadLocalRandom.current(); + + int gId = rnd.nextInt(grids); + + IgniteCache<Integer, Integer> txCache = grid(gId).getOrCreateCache(dfltCacheCfg.getName()); + + try (Transaction tx = grid(gId).transactions().txStart()) { + txCache.put(cacheKey.incrementAndGet(), 0); + + txCache.put(cacheKey.incrementAndGet(), 1); + + tx.commit(); + } + } + }, 5, "tx-cache-put-"); + + IgniteInternalFuture<Long> txLoadFut = GridTestUtils.runMultiThreadedAsync(() -> { + while (!Thread.currentThread().isInterrupted()) { + ThreadLocalRandom rnd = ThreadLocalRandom.current(); + + IgniteCache<Integer, Integer> atomicCache = grid(rnd.nextInt(grids)) + .getOrCreateCache(atomicCcfg); + + atomicCache.put(cacheKey.incrementAndGet(), 0); + } + }, 5, "atomic-cache-put-"); + + try { + IgniteFuture<Void> fut = ignite.snapshot().createSnapshot(SNAPSHOT_NAME); + + fut.get(); + } + finally { + txLoadFut.cancel(); + atLoadFut.cancel(); + } + + stopAllGrids(); + + IgniteEx snpIg0 = startGridsFromSnapshot(grids, cfg -> resolveSnapshotWorkDirectory(cfg).getAbsolutePath(), SNAPSHOT_NAME, false); + + // Block whole rebalancing. + for (Ignite g : G.allGrids()) + TestRecordingCommunicationSpi.spi(g).blockMessages((node, msg) -> msg instanceof GridDhtPartitionDemandMessage); + + snpIg0.cluster().state(ACTIVE); + + assertFalse("Primary and backup in snapshot must have the same counters. Rebalance must not happen.", + GridTestUtils.waitForCondition(() -> { + boolean hasMsgs = false; + + for (Ignite g : G.allGrids()) + hasMsgs |= TestRecordingCommunicationSpi.spi(g).hasBlockedMessages(); + + return hasMsgs; + }, REBALANCE_AWAIT_TIME)); + + TestRecordingCommunicationSpi.stopBlockAll(); + } + + /** @throws Exception If fails. */ + @Test + public void testClusterSnapshotConsistencyUnderLoad() throws Exception { + int clientsCnt = 50; + int balance = 10_000; + int transferLimit = 1000; + int total = clientsCnt * balance * 2; + int grids = 3; + int transferThreadCnt = 4; + AtomicBoolean stop = new AtomicBoolean(false); + CountDownLatch txStarted = new CountDownLatch(1); + + CacheConfiguration<Integer, Account> eastCcfg = txCacheConfig(new CacheConfiguration<>("east")); + CacheConfiguration<Integer, Account> westCcfg = txCacheConfig(new CacheConfiguration<>("west")); + + for (int i = 0; i < grids; i++) + startGrid(optimize(getConfiguration(getTestIgniteInstanceName(i)).setCacheConfiguration(eastCcfg, westCcfg))); + + grid(0).cluster().state(ACTIVE); + + Ignite client = startClientGrid(grids); + + IgniteCache<Integer, Account> eastCache = client.cache(eastCcfg.getName()); + IgniteCache<Integer, Account> westCache = client.cache(westCcfg.getName()); + + // Create clients with initial balance. + for (int i = 0; i < clientsCnt; i++) { + eastCache.put(i, new Account(i, balance)); + westCache.put(i, new Account(i, balance)); + } + + assertEquals("The initial summary value in all caches is not correct.", + total, sumAllCacheValues(client, clientsCnt, eastCcfg.getName(), westCcfg.getName())); + + forceCheckpoint(); + + IgniteInternalFuture<?> txLoadFut = GridTestUtils.runMultiThreadedAsync( + () -> { + ThreadLocalRandom rnd = ThreadLocalRandom.current(); + + int amount; + + try { + while (!stop.get()) { + IgniteEx ignite = grid(rnd.nextInt(grids)); + IgniteCache<Integer, Account> east = ignite.cache("east"); + IgniteCache<Integer, Account> west = ignite.cache("west"); + + amount = rnd.nextInt(transferLimit); + + txStarted.countDown(); + + try (Transaction tx = ignite.transactions().txStart()) { + Integer id = rnd.nextInt(clientsCnt); + + Account acc0 = east.get(id); + Account acc1 = west.get(id); + + acc0.balance -= amount; + acc1.balance += amount; + + east.put(id, acc0); + west.put(id, acc1); + + tx.commit(); + } + } + } + catch (Throwable e) { + U.error(log, e); + + fail("Tx must not be failed."); + } + }, transferThreadCnt, "transfer-account-thread-"); + + try { + U.await(txStarted); + + grid(0).snapshot().createSnapshot(SNAPSHOT_NAME).get(); + } + finally { + stop.set(true); + } + + txLoadFut.get(); + + assertEquals("The summary value should not changed during tx transfers.", + total, sumAllCacheValues(client, clientsCnt, eastCcfg.getName(), westCcfg.getName())); + + stopAllGrids(); + + IgniteEx snpIg0 = startGridsFromSnapshot(grids, SNAPSHOT_NAME); + + assertEquals("The total amount of all cache values must not changed in snapshot.", + total, sumAllCacheValues(snpIg0, clientsCnt, eastCcfg.getName(), westCcfg.getName())); + } + + /** @throws Exception If fails. */ + @Test + public void testClusterSnapshotWithCacheNodeFilter() throws Exception { + int grids = 4; + + CacheConfiguration<Integer, Integer> ccfg = txCacheConfig(new CacheConfiguration<Integer, Integer>(DEFAULT_CACHE_NAME)) + .setNodeFilter(node -> node.consistentId().toString().endsWith("1")); + + for (int i = 0; i < grids; i++) + startGrid(optimize(getConfiguration(getTestIgniteInstanceName(i)).setCacheConfiguration())); + + IgniteEx ig0 = grid(0); + + ig0.cluster().baselineAutoAdjustEnabled(false); + ig0.cluster().state(ACTIVE); + + for (int i = 0; i < CACHE_KEYS_RANGE; i++) + ig0.getOrCreateCache(ccfg).put(i, i); + + ig0.snapshot().createSnapshot(SNAPSHOT_NAME).get(); + + stopAllGrids(); + + IgniteEx snp = startGridsFromSnapshot(grids, + cfg -> resolveSnapshotWorkDirectory(cfg.setCacheConfiguration()).getAbsolutePath(), + SNAPSHOT_NAME, + true); + + awaitPartitionMapExchange(); + + assertSnapshotCacheKeys(snp.cache(ccfg.getName())); Review comment: Added. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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