| /* |
| * 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.cache; |
| |
| import java.util.Arrays; |
| import java.util.UUID; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction; |
| import org.apache.ignite.cluster.ClusterNode; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.configuration.DataStorageConfiguration; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.internal.IgniteEx; |
| import org.apache.ignite.internal.TestRecordingCommunicationSpi; |
| import org.apache.ignite.internal.processors.cache.GridCacheGroupIdMessage; |
| import org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionSupplyMessage; |
| import org.apache.ignite.internal.processors.cache.distributed.dht.topology.GridDhtPartitionState; |
| import org.apache.ignite.internal.util.typedef.internal.CU; |
| import org.apache.ignite.lang.IgniteBiPredicate; |
| import org.apache.ignite.plugin.extensions.communication.Message; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| /** |
| * |
| */ |
| public class RebalanceAfterResettingLostPartitionTest extends GridCommonAbstractTest { |
| /** Cache name. */ |
| private static final String CACHE_NAME = "cache" + UUID.randomUUID().toString(); |
| |
| /** Cache size */ |
| public static final int CACHE_SIZE = 10_000; |
| |
| /** Stop all grids and cleanup persistence directory. */ |
| @Before |
| public void before() throws Exception { |
| stopAllGrids(); |
| |
| cleanPersistenceDir(); |
| } |
| |
| /** Stop all grids and cleanup persistence directory. */ |
| @After |
| public void after() throws Exception { |
| stopAllGrids(); |
| |
| cleanPersistenceDir(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { |
| IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); |
| |
| cfg.setCommunicationSpi(new TestRecordingCommunicationSpi()); |
| |
| cfg.setRebalanceBatchSize(100); |
| |
| cfg.setConsistentId(igniteInstanceName); |
| |
| DataStorageConfiguration storageCfg = new DataStorageConfiguration().setWalSegmentSize(4 * 1024 * 1024); |
| |
| storageCfg.getDefaultDataRegionConfiguration() |
| .setPersistenceEnabled(true) |
| .setMaxSize(500L * 1024 * 1024); |
| |
| cfg.setDataStorageConfiguration(storageCfg); |
| |
| cfg.setCacheConfiguration(new CacheConfiguration() |
| .setName(CACHE_NAME) |
| .setCacheMode(CacheMode.PARTITIONED) |
| .setAtomicityMode(CacheAtomicityMode.TRANSACTIONAL) |
| .setAffinity(new RendezvousAffinityFunction(false, 32)) |
| .setBackups(1)); |
| |
| return cfg; |
| } |
| |
| /** |
| * Test to restore lost partitions and rebalance data on working grid with two nodes. |
| * |
| * @throws Exception if fail. |
| */ |
| @SuppressWarnings("unchecked") |
| @Test |
| public void testRebalanceAfterPartitionsWereLost() throws Exception { |
| startGrids(2); |
| |
| grid(0).cluster().active(true); |
| |
| for (int j = 0; j < CACHE_SIZE; j++) |
| grid(0).cache(CACHE_NAME).put(j, "Value" + j); |
| |
| String g1Name = grid(1).name(); |
| |
| // Stopping the the second node. |
| stopGrid(1); |
| |
| // Cleaning the persistence for second node. |
| cleanPersistenceDir(g1Name); |
| |
| AtomicInteger msgCntr = new AtomicInteger(); |
| |
| TestRecordingCommunicationSpi.spi(ignite(0)).blockMessages(new IgniteBiPredicate<ClusterNode, Message>() { |
| @Override public boolean apply(ClusterNode clusterNode, Message msg) { |
| if (msg instanceof GridDhtPartitionSupplyMessage && |
| ((GridCacheGroupIdMessage)msg).groupId() == CU.cacheId(CACHE_NAME)) { |
| if (msgCntr.get() > 3) |
| return true; |
| else |
| msgCntr.incrementAndGet(); |
| } |
| |
| return false; |
| } |
| }); |
| |
| // Starting second node again(with the same consistent id). |
| startGrid(1); |
| |
| // Waitting for rebalance. |
| TestRecordingCommunicationSpi.spi(ignite(0)).waitForBlocked(); |
| |
| // Killing the first node at the moment of rebalancing. |
| stopGrid(0); |
| |
| // Returning first node to the cluster. |
| IgniteEx g0 = startGrid(0); |
| |
| assertTrue(requireNonNull(grid(0).cachex(CACHE_NAME)).context().topology().localPartitions().stream().allMatch( |
| p -> p.state() == GridDhtPartitionState.LOST)); |
| |
| // Verify that partition loss is detected. |
| assertTrue(requireNonNull(grid(1).cachex(CACHE_NAME)).context().topology().localPartitions().stream().allMatch( |
| p -> p.state() == GridDhtPartitionState.LOST)); |
| |
| // Reset lost partitions and wait for PME. |
| grid(1).resetLostPartitions(Arrays.asList(CACHE_NAME, "ignite-sys-cache")); |
| |
| awaitPartitionMapExchange(); |
| |
| assertTrue(requireNonNull(grid(0).cachex(CACHE_NAME)).context().topology().localPartitions().stream().allMatch( |
| p -> p.state() == GridDhtPartitionState.OWNING)); |
| |
| // Verify that partitions are in owning state. |
| assertTrue(requireNonNull(grid(1).cachex(CACHE_NAME)).context().topology().localPartitions().stream().allMatch( |
| p -> p.state() == GridDhtPartitionState.OWNING)); |
| |
| // Verify that data was successfully rebalanced. |
| for (int i = 0; i < CACHE_SIZE; i++) |
| assertEquals("Value" + i, grid(0).cache(CACHE_NAME).get(i)); |
| |
| for (int i = 0; i < CACHE_SIZE; i++) |
| assertEquals("Value" + i, grid(1).cache(CACHE_NAME).get(i)); |
| } |
| } |