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From GitBox <...@apache.org>
Subject [GitHub] [ignite] Mmuzaf commented on a change in pull request #6554: IGNITE-11073: Backup page store manager, initial
Date Wed, 06 Nov 2019 18:15:38 GMT
Mmuzaf commented on a change in pull request #6554: IGNITE-11073: Backup page store manager,
initial
URL: https://github.com/apache/ignite/pull/6554#discussion_r343250126
 
 

 ##########
 File path: modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/IgniteSnapshotManager.java
 ##########
 @@ -0,0 +1,1783 @@
+/*
+ * 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.persistence.snapshot;
+
+import java.io.Closeable;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.Serializable;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.channels.FileChannel;
+import java.nio.file.Paths;
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Queue;
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.Executor;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.atomic.AtomicIntegerArray;
+import java.util.concurrent.atomic.LongAdder;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+import java.util.function.BiConsumer;
+import java.util.function.BiFunction;
+import java.util.function.BooleanSupplier;
+import java.util.function.Consumer;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import java.util.zip.CRC32;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.IgniteException;
+import org.apache.ignite.IgniteLogger;
+import org.apache.ignite.binary.BinaryType;
+import org.apache.ignite.cluster.ClusterNode;
+import org.apache.ignite.configuration.CacheConfiguration;
+import org.apache.ignite.failure.FailureContext;
+import org.apache.ignite.failure.FailureType;
+import org.apache.ignite.internal.GridKernalContext;
+import org.apache.ignite.internal.GridTopic;
+import org.apache.ignite.internal.IgniteInternalFuture;
+import org.apache.ignite.internal.MarshallerMappingWriter;
+import org.apache.ignite.internal.cluster.ClusterTopologyCheckedException;
+import org.apache.ignite.internal.managers.communication.GridIoManager;
+import org.apache.ignite.internal.managers.communication.GridMessageListener;
+import org.apache.ignite.internal.managers.communication.TransmissionHandler;
+import org.apache.ignite.internal.managers.communication.TransmissionMeta;
+import org.apache.ignite.internal.managers.communication.TransmissionPolicy;
+import org.apache.ignite.internal.pagemem.PageIdUtils;
+import org.apache.ignite.internal.pagemem.store.PageStore;
+import org.apache.ignite.internal.processors.cache.CacheGroupContext;
+import org.apache.ignite.internal.processors.cache.GridCacheSharedManagerAdapter;
+import org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture;
+import org.apache.ignite.internal.processors.cache.distributed.dht.preloader.PartitionsExchangeAware;
+import org.apache.ignite.internal.processors.cache.persistence.CheckpointFuture;
+import org.apache.ignite.internal.processors.cache.persistence.DbCheckpointListener;
+import org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager;
+import org.apache.ignite.internal.processors.cache.persistence.StorageException;
+import org.apache.ignite.internal.processors.cache.persistence.file.FileIO;
+import org.apache.ignite.internal.processors.cache.persistence.file.FileIOFactory;
+import org.apache.ignite.internal.processors.cache.persistence.file.FilePageStore;
+import org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreFactory;
+import org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager;
+import org.apache.ignite.internal.processors.cache.persistence.file.RandomAccessFileIOFactory;
+import org.apache.ignite.internal.processors.cache.persistence.filename.PdsFolderSettings;
+import org.apache.ignite.internal.processors.cache.persistence.partstate.GroupPartitionId;
+import org.apache.ignite.internal.processors.cache.persistence.partstate.PagesAllocationRange;
+import org.apache.ignite.internal.processors.cache.persistence.partstate.PartitionAllocationMap;
+import org.apache.ignite.internal.processors.cache.persistence.tree.io.PageIO;
+import org.apache.ignite.internal.processors.cache.persistence.wal.crc.FastCrc;
+import org.apache.ignite.internal.processors.cacheobject.BinaryTypeWriter;
+import org.apache.ignite.internal.processors.marshaller.MappedName;
+import org.apache.ignite.internal.processors.metric.impl.LongAdderMetric;
+import org.apache.ignite.internal.util.GridBusyLock;
+import org.apache.ignite.internal.util.GridIntIterator;
+import org.apache.ignite.internal.util.GridIntList;
+import org.apache.ignite.internal.util.future.GridFinishedFuture;
+import org.apache.ignite.internal.util.future.GridFutureAdapter;
+import org.apache.ignite.internal.util.tostring.GridToStringExclude;
+import org.apache.ignite.internal.util.typedef.T2;
+import org.apache.ignite.internal.util.typedef.internal.A;
+import org.apache.ignite.internal.util.typedef.internal.CU;
+import org.apache.ignite.internal.util.typedef.internal.S;
+import org.apache.ignite.internal.util.typedef.internal.U;
+import org.apache.ignite.thread.IgniteThreadPoolExecutor;
+
+import static java.nio.file.StandardOpenOption.READ;
+import static org.apache.ignite.internal.IgniteFeatures.PERSISTENCE_CACHE_SNAPSHOT;
+import static org.apache.ignite.internal.IgniteFeatures.nodeSupports;
+import static org.apache.ignite.internal.MarshallerContextImpl.addPlatformMappings;
+import static org.apache.ignite.internal.managers.communication.GridIoPolicy.SYSTEM_POOL;
+import static org.apache.ignite.internal.pagemem.PageIdAllocator.INDEX_PARTITION;
+import static org.apache.ignite.internal.pagemem.PageIdAllocator.MAX_PARTITION_ID;
+import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.INDEX_FILE_NAME;
+import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.PART_FILE_TEMPLATE;
+import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.cacheDirName;
+import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.cacheWorkDir;
+import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.getPartitionFileEx;
+import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.getPartitionNameEx;
+import static org.apache.ignite.internal.processors.cache.persistence.partstate.GroupPartitionId.getFlagByPartId;
+
+/** */
+public class IgniteSnapshotManager extends GridCacheSharedManagerAdapter implements PartitionsExchangeAware
 {
+    /** File with delta pages suffix. */
+    public static final String DELTA_SUFFIX = ".delta";
+
+    /** File name template consists of delta pages. */
+    public static final String PART_DELTA_TEMPLATE = PART_FILE_TEMPLATE + DELTA_SUFFIX;
+
+    /** File name template for index delta pages. */
+    public static final String INDEX_DELTA_NAME = INDEX_FILE_NAME + DELTA_SUFFIX;
+
+    /** The reason of checkpoint start for needs of bakcup. */
+    public static final String SNAPSHOT_CP_REASON = "Wakeup for checkpoint to take snapshot
[name=%s]";
+
+    /** Default working directory for snapshot temporary files. */
+    public static final String DFLT_LOCAL_SNAPSHOT_DIRECTORY = "snapshots";
+
+    /** Default snapshot directory for loading remote snapshots. */
+    public static final String DFLT_SNAPSHOT_WORK_DIRECTORY = "snp";
+
+    /** Prefix for snapshot threads. */
+    private static final String SNAPSHOT_RUNNER_THREAD_PREFIX = "snapshot-runner";
+
+    /** Total number of thread to perform local snapshot. */
+    private static final int SNAPSHOT_THEEAD_POOL_SIZE = 4;
+
+    /** Default snapshot topic to receive snapshots from remote node. */
+    private static final Object DFLT_RMT_SNAPSHOT_TOPIC = GridTopic.TOPIC_RMT_SNAPSHOT.topic("0");
+
+    /** Cache group id parameter name for a file transmission. */
+    private static final String SNP_GRP_ID_PARAM = "grpId";
+
+    /** Cache partition id parameter name for a file transmission. */
+    private static final String SNP_PART_ID_PARAM = "partId";
+
+    /** Cache local node directory path name (e.g. db/IgniteNode0). */
+    private static final String SNP_DB_NODE_PATH_PARAM = "dbNodePath";
 
 Review comment:
   Done!

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