nizhikov commented on code in PR #10314: URL: https://github.com/apache/ignite/pull/10314#discussion_r1081080438
########## modules/core/src/test/java/org/apache/ignite/internal/processors/cache/consistentcut/ConcurrentTxsConsistentCutTest.java: ########## @@ -0,0 +1,269 @@ +/* + * 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.consistentcut; + +import java.util.ArrayList; +import java.util.List; +import java.util.Random; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.concurrent.locks.Lock; +import java.util.function.BiFunction; +import java.util.function.Supplier; +import org.apache.ignite.Ignite; +import org.apache.ignite.IgniteCache; +import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction; +import org.apache.ignite.configuration.CacheConfiguration; +import org.apache.ignite.configuration.IgniteConfiguration; +import org.apache.ignite.configuration.NearCacheConfiguration; +import org.apache.ignite.internal.IgniteInternalFuture; +import org.apache.ignite.testframework.GridTestUtils; +import org.apache.ignite.transactions.Transaction; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; + +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.AbstractSnapshotSelfTest.snp; + +/** Load Ignite with transactions and starts Consistent Cut concurrently. */ +@RunWith(Parameterized.class) +public class ConcurrentTxsConsistentCutTest extends AbstractConsistentCutTest { + /** Amount of Consistent Cuts to await. */ + private static final int CUTS = 20; + + /** */ + private static final String CACHE2 = "CACHE2"; + + /** */ + private static final Random RND = new Random(); + + /** */ + private final AtomicInteger txCnt = new AtomicInteger(); + + /** Notifies data loader to stop preparing new transactions. */ + private volatile CountDownLatch stopLoadLatch; + + /** Number of server nodes. */ + @Parameterized.Parameter + public int nodes; + + /** Number of backups. */ + @Parameterized.Parameter(1) + public int backups; + + /** */ + @Parameterized.Parameter(2) + public boolean withNearCache; + + /** */ + @Parameterized.Parameters(name = "nodes={0}, backups={1}, withNearCache={2}") + public static List<Object[]> params() { + int[][] nodesAndBackupsCnt = new int[][] { + new int[] {3, 0}, + new int[] {2, 1}, + new int[] {3, 2} + }; + + List<Object[]> params = new ArrayList<>(); + + for (int[] nb: nodesAndBackupsCnt) { + for (boolean near: new boolean[] {false, true}) + params.add(new Object[] {nb[0], nb[1], near}); + } + + return params; + } + + /** {@inheritDoc} */ + @Override protected int nodes() { + return nodes; + } + + /** {@inheritDoc} */ + @Override protected int backups() { + return backups; + } + + /** {@inheritDoc} */ + @Override protected IgniteConfiguration getConfiguration(String instanceName) throws Exception { + IgniteConfiguration cfg = super.getConfiguration(instanceName); + + CacheConfiguration<Integer, Integer> ccfg1 = cacheConfiguration(CACHE); + + if (withNearCache) + ccfg1.setNearConfiguration(new NearCacheConfiguration<>()); + + // Set less partitions to handle default open files limit in OS. + CacheConfiguration<Integer, Integer> ccfg2 = cacheConfiguration(CACHE2) + .setAffinity(new RendezvousAffinityFunction(false, 100)); + + cfg.setCacheConfiguration(ccfg1, ccfg2); + + return cfg; + } + + /** */ + @Test + public void noLoadTest() throws Exception { + testConcurrentTransactionsAndCuts(() -> false); + } + + /** */ + @Test + public void concurrentLoadTransactionsTest() throws Exception { + testConcurrentTransactionsAndCuts(() -> explicitTransaction((g, tx) -> { + int cnt = 1 + RND.nextInt(nodes()); + + for (int j = 0; j < cnt; j++) { + IgniteCache<Integer, Integer> cache = g.cache(CACHE); + + cache.put(RND.nextInt(), RND.nextInt()); + } + + tx.commit(); + + return true; + })); + } + + /** */ + @Test + public void concurrentLoadTransactionsWithRollbackTest() throws Exception { + testConcurrentTransactionsAndCuts(() -> explicitTransaction((g, tx) -> { + int cnt = 1 + RND.nextInt(nodes()); + + for (int j = 0; j < cnt; j++) { + IgniteCache<Integer, Integer> cache = g.cache(CACHE); + + cache.put(RND.nextInt(), RND.nextInt()); + } + + if (RND.nextBoolean()) { + tx.rollback(); + + return false; + } + else { + tx.commit(); + + return true; + } + })); + } + + /** */ + @Test + public void testTransactionsForMultipleCaches() throws Exception { + testConcurrentTransactionsAndCuts(() -> explicitTransaction((g, tx) -> { + for (String c: new String[] {CACHE, CACHE2}) { + int cnt = 1 + RND.nextInt(nodes()); + + for (int j = 0; j < cnt; j++) { + IgniteCache<Integer, Integer> cache = g.cache(c); + + cache.put(RND.nextInt(), RND.nextInt()); + } + } + + tx.commit(); + + return true; + })); + } + + /** */ + @Test + public void concurrentLoadImplicitTransactionsTest() throws Exception { + testConcurrentTransactionsAndCuts(() -> { + // +1 - client node. + int n = RND.nextInt(nodes() + 1); + + IgniteCache<Integer, Integer> cache = grid(n).cache(CACHE); + + cache.put(RND.nextInt(), RND.nextInt()); + + return true; + }); + } + + /** */ + @Test + public void concurrentLoadImplicitTransactionsAndExplicitLocksTest() throws Exception { + testConcurrentTransactionsAndCuts(() -> { + // +1 - client node. + int n = RND.nextInt(nodes() + 1); + + IgniteCache<Integer, Integer> cache = grid(n).cache(CACHE); + + int key = RND.nextInt(); + + Lock lock = cache.lock(key); + + lock.lock(); + + try { + cache.put(key, RND.nextInt()); + } + finally { + lock.unlock(); + } + + return true; + }); + } + + /** @return {@code true} if transaction committed. */ + private boolean explicitTransaction(BiFunction<Ignite, Transaction, Boolean> txFunc) { + // +1 - client node. + int n = RND.nextInt(nodes() + 1); + + Ignite g = grid(n); + + try (Transaction tx = g.transactions().txStart()) { + return txFunc.apply(g, tx); + } + } + + /** + * @param tx Transaction, returs {@code true} if transaction committed. + */ + private void testConcurrentTransactionsAndCuts(Supplier<Boolean> tx) throws Exception { + stopLoadLatch = new CountDownLatch(1); + + IgniteInternalFuture<?> f = GridTestUtils.runMultiThreadedAsync(() -> { + while (stopLoadLatch.getCount() > 0) { + if (tx.get()) + txCnt.incrementAndGet(); + } + }, 2, "async-load"); + + for (int i = 0; i < CUTS; i++) { + awaitSnapshotResourcesCleaned(); + + snp(grid(0)).createIncrementalSnapshot(SNP).get(getTestTimeout()); + + log.info("Consistent Cut finished: " + i); + } + + stopLoadLatch.countDown(); + + f.get(); Review Comment: `f.get(getTestTimeout())` -- This is an automated message from the Apache Git Service. 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