timoninmaxim commented on code in PR #10314: URL: https://github.com/apache/ignite/pull/10314#discussion_r1071285548
########## modules/core/src/test/java/org/apache/ignite/internal/processors/cache/consistentcut/AbstractConsistentCutTest.java: ########## @@ -0,0 +1,301 @@ +/* + * 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.io.File; +import java.nio.file.Paths; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.Set; +import java.util.UUID; +import org.apache.ignite.Ignite; +import org.apache.ignite.IgniteException; +import org.apache.ignite.cache.CacheAtomicityMode; +import org.apache.ignite.cluster.ClusterState; +import org.apache.ignite.configuration.CacheConfiguration; +import org.apache.ignite.configuration.DataRegionConfiguration; +import org.apache.ignite.configuration.DataStorageConfiguration; +import org.apache.ignite.configuration.IgniteConfiguration; +import org.apache.ignite.configuration.NearCacheConfiguration; +import org.apache.ignite.internal.IgniteEx; +import org.apache.ignite.internal.IgniteInterruptedCheckedException; +import org.apache.ignite.internal.pagemem.wal.WALIterator; +import org.apache.ignite.internal.pagemem.wal.record.ConsistentCutFinishRecord; +import org.apache.ignite.internal.pagemem.wal.record.ConsistentCutStartRecord; +import org.apache.ignite.internal.pagemem.wal.record.DataRecord; +import org.apache.ignite.internal.pagemem.wal.record.WALRecord; +import org.apache.ignite.internal.processors.cache.persistence.wal.WALPointer; +import org.apache.ignite.internal.processors.cache.persistence.wal.reader.IgniteWalIteratorFactory; +import org.apache.ignite.internal.processors.cache.version.GridCacheVersion; +import org.apache.ignite.internal.util.tostring.GridToStringInclude; +import org.apache.ignite.internal.util.typedef.G; +import org.apache.ignite.internal.util.typedef.T2; +import org.apache.ignite.internal.util.typedef.internal.U; +import org.apache.ignite.lang.IgniteBiTuple; +import org.apache.ignite.testframework.GridTestUtils; +import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; +import org.jetbrains.annotations.Nullable; + +import static org.apache.ignite.internal.pagemem.wal.record.WALRecord.RecordType.CONSISTENT_CUT_FINISH_RECORD; +import static org.apache.ignite.internal.pagemem.wal.record.WALRecord.RecordType.CONSISTENT_CUT_START_RECORD; +import static org.apache.ignite.internal.pagemem.wal.record.WALRecord.RecordType.DATA_RECORD_V2; +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.AbstractSnapshotSelfTest.snp; + +/** Base class for testing Consistency Cut algorithm. */ +public abstract class AbstractConsistentCutTest extends GridCommonAbstractTest { + /** */ + protected static final String CACHE = "CACHE"; + + /** */ + protected static final String SNP = "base"; + + /** {@inheritDoc} */ + @Override protected IgniteConfiguration getConfiguration(String instanceName) throws Exception { + IgniteConfiguration cfg = super.getConfiguration(instanceName); + + cfg.setDataStorageConfiguration(new DataStorageConfiguration() + .setWalCompactionEnabled(true) + .setDefaultDataRegionConfiguration(new DataRegionConfiguration() + .setName("consistent-cut-persist") + .setPersistenceEnabled(true))); + + CacheConfiguration<Integer, Integer> ccfg = new CacheConfiguration<Integer, Integer>() + .setName(CACHE) + .setAtomicityMode(CacheAtomicityMode.TRANSACTIONAL) + .setBackups(backups()); + + if (withNearCache()) + ccfg.setNearConfiguration(new NearCacheConfiguration<>()); + + cfg.setCacheConfiguration(ccfg); + + cfg.setConsistentId(instanceName); + + return cfg; + } + + /** {@inheritDoc} */ + @Override protected void beforeTest() throws Exception { + cleanPersistenceDir(); + + startGrids(nodes()); + + grid(0).cluster().state(ClusterState.ACTIVE); + + startClientGrid(nodes()); + + snp(grid(0)).createSnapshot(SNP).get(); + } + + /** {@inheritDoc} */ + @Override protected void afterTest() throws Exception { + stopAllGrids(); + + cleanPersistenceDir(); + } + + /** + * @return {@code true} if NearCache is enabled, otherwise {@code false}. + */ + protected boolean withNearCache() { + return false; + } + + /** + * @return Number of server nodes. + */ + protected abstract int nodes(); + + /** + * @return Number of backups for cache. + */ + protected abstract int backups(); + + /** */ + protected void awaitSnapshotResourcesCleaned() { + try { + GridTestUtils.waitForCondition(() -> { + boolean ready = true; + + for (Ignite g: G.allGrids()) + ready &= snp((IgniteEx)g).currentCreateRequest() == null; + + return ready; + }, 10); + } + catch (IgniteInterruptedCheckedException e) { + throw new IgniteException(e); + } + } + + /** + * Checks WALs for correct Consistency Cut. + * + * @param txCnt Count of run transactions. + * @param cuts Number of Consistent Cuts was run within a test. + */ + protected void checkWalsConsistency(int txCnt, int cuts) throws Exception { + List<ConsistentCutWalReader> readers = new ArrayList<>(); + + for (int i = 0; i < nodes(); i++) { + ConsistentCutWalReader reader = new ConsistentCutWalReader(walIter(i)); + + readers.add(reader); + + reader.read(); + + int expCuts = reader.cuts.get(reader.cuts.size() - 1).id != null ? cuts : cuts + 1; + + assertEquals(expCuts, reader.cuts.size()); + } + + // Transaction ID -> (cutId, nodeId). + Map<GridCacheVersion, T2<UUID, Integer>> txMap = new HashMap<>(); + + // Includes incomplete state also. + for (int cutId = 0; cutId < cuts + 1; cutId++) { + for (int nodeId = 0; nodeId < nodes(); nodeId++) { + // Skip if the latest cut is completed. + if (readers.get(nodeId).cuts.size() == cutId) + continue; + + ReadConsistentCut cut = readers.get(nodeId).cuts.get(cutId); + + for (GridCacheVersion xid: cut.txs) { + T2<UUID, Integer> prev = txMap.put(xid, new T2<>(cut.id, nodeId)); + + if (prev != null) { + assertTrue("Transaction miscutted: [xid=" + xid + ", node" + prev.get2() + "=" + prev.get1() + + ", node" + nodeId + "=" + cut.id, + Objects.equals(prev == null ? null : prev.get1(), cut.id)); + } + } + } + } + + assertEquals(txCnt, txMap.size()); Review Comment: We check that every xid are presented in the same snapshot on every node. -- This is an automated message from the Apache Git Service. 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