skorotkov commented on code in PR #10178: URL: https://github.com/apache/ignite/pull/10178#discussion_r941987134
########## modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxRecoveryConcurrentOnPrimaryFailTest.java: ########## @@ -0,0 +1,171 @@ +/* + * 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.transactions; + +import java.util.Collection; +import java.util.concurrent.BrokenBarrierException; +import java.util.concurrent.CyclicBarrier; +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.failure.StopNodeFailureHandler; +import org.apache.ignite.internal.IgniteEx; +import org.apache.ignite.internal.TestRecordingCommunicationSpi; +import org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtTxFinishRequest; +import org.apache.ignite.testframework.GridTestUtils; +import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; +import org.apache.ignite.transactions.Transaction; +import org.junit.Test; + +import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL; +import static org.apache.ignite.cache.CacheMode.PARTITIONED; +import static org.apache.ignite.internal.TestRecordingCommunicationSpi.spi; +import static org.apache.ignite.testframework.GridTestUtils.runAsync; +import static org.apache.ignite.transactions.TransactionConcurrency.PESSIMISTIC; +import static org.apache.ignite.transactions.TransactionIsolation.REPEATABLE_READ; + +/** + * Tests concurrent execution of the tx recovery. + */ +public class TxRecoveryConcurrentOnPrimaryFailTest extends GridCommonAbstractTest { + /** {@inheritDoc} */ + @Override protected IgniteConfiguration getConfiguration(String name) throws Exception { + final IgniteConfiguration cfg = super.getConfiguration(name); + + cfg.setConsistentId(name); + + cfg.setCommunicationSpi(new TestRecordingCommunicationSpi()); + + cfg.setFailureHandler(new StopNodeFailureHandler()); + + cfg.setSystemThreadPoolSize(1); + + cfg.setStripedPoolSize(1); + + cfg.setCacheConfiguration(new CacheConfiguration<>(DEFAULT_CACHE_NAME).setCacheMode(PARTITIONED) + .setBackups(2).setAtomicityMode(TRANSACTIONAL).setAffinity(new RendezvousAffinityFunction(false, 1))); + + return cfg; + } + + /** {@inheritDoc} */ + @Override protected void afterTest() throws Exception { + super.afterTest(); + + stopAllGrids(); + } + + /** + * The test enforces the concurrent processing of the same prepared transaction + * both in the tx recovery procedure started due to primary node left and in the + * tx recovery request handler invoked by message from another backup node. + * <p> + * The idea is to have a 3-nodes cluster and a cache with 2 backups. So there + * will be 2 backup nodes to execute the tx recovery in parallel if primary one + * would fail. These backup nodes will send the tx recovery requests to each + * other, so the tx recovery request handler will be invoked as well. + * <p> + * Use several attempts to reproduce the race condition. + * <p> + * Expected result: transaction is finished on both backup nodes and the partition + * map exchange is completed as well. + */ + @Test + public void testRecoveryNotDeadLockOnPrimaryFail() throws Exception { + final IgniteEx grid0 = startGrid(0); + + final IgniteEx grid1 = startGrid(1); + + final CyclicBarrier grid1BlockerBarrier = new CyclicBarrier(3); + + final Runnable grid1BlockerTask = () -> { + try { + grid1BlockerBarrier.await(); + } + catch (InterruptedException | BrokenBarrierException e) { + // Just supress. + } + }; + + for (int iter = 0; iter < 100; iter++) { + final IgniteEx grid2 = startGrid(2); + + awaitPartitionMapExchange(); + + final IgniteCache<Object, Object> cache = grid2.cache(DEFAULT_CACHE_NAME); + + final Transaction tx = grid2.transactions().txStart(PESSIMISTIC, REPEATABLE_READ); + + // Key for which the grid2 node is primary. + final Integer grid2PrimaryKey = primaryKeys(cache, 1, 0).get(0); + + cache.put(grid2PrimaryKey, Boolean.TRUE); + + final TransactionProxyImpl<?, ?> p = (TransactionProxyImpl<?, ?>)tx; Review Comment: ok -- This is an automated message from the Apache Git Service. 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