| /* |
| * 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; |
| |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteCache; |
| import org.apache.ignite.cache.CacheMode; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| 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.transactions.TransactionConcurrency.PESSIMISTIC; |
| import static org.apache.ignite.transactions.TransactionIsolation.REPEATABLE_READ; |
| |
| /** |
| * |
| */ |
| public class IgniteCachePutStackOverflowSelfTest extends GridCommonAbstractTest { |
| /** {@inheritDoc} */ |
| @Override protected void beforeTestsStarted() throws Exception { |
| startGrid(0); |
| } |
| |
| /** |
| * @throws Exception if failed. |
| */ |
| @Test |
| public void testStackPartitioned() throws Exception { |
| checkCache(CacheMode.PARTITIONED); |
| } |
| |
| /** |
| * @throws Exception if failed. |
| */ |
| @Test |
| public void testStackReplicated() throws Exception { |
| checkCache(CacheMode.REPLICATED); |
| } |
| |
| /** |
| * @throws Exception if failed. |
| */ |
| private void checkCache(CacheMode mode) throws Exception { |
| final Ignite ignite = ignite(0); |
| |
| final IgniteCache<Object, Object> cache = ignite.getOrCreateCache(new CacheConfiguration<>("cache") |
| .setCacheMode(mode) |
| .setAtomicityMode(TRANSACTIONAL)); |
| |
| try { |
| Thread[] threads = new Thread[256]; |
| |
| try (Transaction tx = ignite.transactions().txStart(PESSIMISTIC, REPEATABLE_READ)) { |
| // Lock the key. |
| final String key = "key"; |
| |
| cache.get(key); |
| |
| // Simulate high contention. |
| for (int i = 0; i < threads.length; i++) { |
| threads[i] = new Thread() { |
| @Override public void run() { |
| cache.put(key, 1); |
| } |
| }; |
| |
| threads[i].start(); |
| } |
| |
| U.sleep(2_000); |
| |
| cache.put(key, 1); |
| |
| tx.commit(); |
| } |
| |
| System.out.println("Waiting for threads to finish..."); |
| |
| for (Thread thread : threads) |
| thread.join(); |
| } |
| finally { |
| ignite.destroyCache("cache"); |
| } |
| } |
| } |