nizhikov commented on code in PR #10950: URL: https://github.com/apache/ignite/pull/10950#discussion_r1349871367
########## modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/dump/Dump.java: ########## @@ -0,0 +1,363 @@ +/* + * 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.dump; + +import java.io.BufferedInputStream; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.nio.ByteBuffer; +import java.nio.file.Files; +import java.nio.file.Paths; +import java.util.Arrays; +import java.util.Collections; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +import java.util.NoSuchElementException; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; +import java.util.stream.Collectors; +import org.apache.ignite.IgniteCheckedException; +import org.apache.ignite.IgniteException; +import org.apache.ignite.IgniteLogger; +import org.apache.ignite.binary.BinaryObject; +import org.apache.ignite.binary.BinaryType; +import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction; +import org.apache.ignite.configuration.IgniteConfiguration; +import org.apache.ignite.dump.DumpEntry; +import org.apache.ignite.internal.GridKernalContext; +import org.apache.ignite.internal.processors.cache.CacheObject; +import org.apache.ignite.internal.processors.cache.KeyCacheObject; +import org.apache.ignite.internal.processors.cache.StoredCacheData; +import org.apache.ignite.internal.processors.cache.binary.CacheObjectBinaryProcessorImpl; +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.FilePageStoreManager; +import org.apache.ignite.internal.processors.cache.persistence.file.RandomAccessFileIOFactory; +import org.apache.ignite.internal.processors.cache.persistence.snapshot.SnapshotMetadata; +import org.apache.ignite.internal.processors.cache.persistence.wal.reader.StandaloneGridKernalContext; +import org.apache.ignite.internal.util.typedef.F; +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.U; +import org.apache.ignite.marshaller.MarshallerUtils; +import org.apache.ignite.marshaller.jdk.JdkMarshaller; +import org.jetbrains.annotations.Nullable; + +import static org.apache.ignite.configuration.DataStorageConfiguration.DFLT_BINARY_METADATA_PATH; +import static org.apache.ignite.configuration.DataStorageConfiguration.DFLT_MARSHALLER_PATH; +import static org.apache.ignite.internal.processors.cache.GridLocalConfigManager.readCacheData; +import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.CACHE_DIR_PREFIX; +import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.CACHE_GRP_DIR_PREFIX; +import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.DFLT_STORE_DIR; +import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.PART_FILE_PREFIX; +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.IgniteSnapshotManager.SNAPSHOT_METAFILE_EXT; +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.dump.CreateDumpFutureTask.DUMP_FILE_EXT; +import static org.apache.ignite.internal.processors.cache.persistence.wal.reader.StandaloneGridKernalContext.closeAll; +import static org.apache.ignite.internal.processors.cache.persistence.wal.reader.StandaloneGridKernalContext.startAll; + +/** + * This class provides ability to work with saved cache dump. + */ +public class Dump implements AutoCloseable { + /** Snapshot meta. */ + private final List<SnapshotMetadata> metadata; + + /** Dump directory. */ + private final File dumpDir; + + /** Specific consistent id. */ + private final @Nullable String consistentId; + + /** + * Kernal context for each node in dump. + */ + private final GridKernalContext cctx; + + /** If {@code true} then return data in form of {@link BinaryObject}. */ + private final boolean keepBinary; + + /** If {@code true} then don't deserialize {@link KeyCacheObject} and {@link CacheObject}. */ + private final boolean raw; + + /** + * Map shared across all instances of {@link DumpEntrySerializer}. + * We use per thread buffer because number of threads is fewer then number of partitions. + * Regular count of partitions is {@link RendezvousAffinityFunction#DFLT_PARTITION_COUNT} + * and thread is {@link IgniteConfiguration#DFLT_PUBLIC_THREAD_CNT} whic is significantly less. + */ + private final ConcurrentMap<Long, ByteBuffer> thLocBufs = new ConcurrentHashMap<>(); + + /** + * @param dumpDir Dump directory. + * @param keepBinary If {@code true} then keep read entries in binary form. + * @param raw If {@code true} then keep read entries in form of {@link KeyCacheObject} and {@link CacheObject}. + * @param log Logger. + */ + public Dump(File dumpDir, boolean keepBinary, boolean raw, IgniteLogger log) { + this(dumpDir, null, keepBinary, raw, log); + } + + /** + * @param dumpDir Dump directory. + * @param consistentId If specified, read dump data only for specific node. + * @param keepBinary If {@code true} then keep read entries in binary form. + * @param raw If {@code true} then keep read entries in form of {@link KeyCacheObject} and {@link CacheObject}. + * @param log Logger. + */ + public Dump(File dumpDir, @Nullable String consistentId, boolean keepBinary, boolean raw, IgniteLogger log) { Review Comment: There are two scenario when we analyzing dump content: 1. User exploring dump content with `DumpReader`. So `Dump` provide a way to consume all data saved in dump. 2. Ignite checks dump consistency during creation. In this case we don't want to know or even read data belong to other nodes, because, other node can be in the middle of dump creation. That's why we want to have the way to filter out all node except one in constructor. Node, that `Dump` is internal class, so it's not an `API`. ########## modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/dump/Dump.java: ########## @@ -0,0 +1,363 @@ +/* + * 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.dump; + +import java.io.BufferedInputStream; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.nio.ByteBuffer; +import java.nio.file.Files; +import java.nio.file.Paths; +import java.util.Arrays; +import java.util.Collections; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +import java.util.NoSuchElementException; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; +import java.util.stream.Collectors; +import org.apache.ignite.IgniteCheckedException; +import org.apache.ignite.IgniteException; +import org.apache.ignite.IgniteLogger; +import org.apache.ignite.binary.BinaryObject; +import org.apache.ignite.binary.BinaryType; +import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction; +import org.apache.ignite.configuration.IgniteConfiguration; +import org.apache.ignite.dump.DumpEntry; +import org.apache.ignite.internal.GridKernalContext; +import org.apache.ignite.internal.processors.cache.CacheObject; +import org.apache.ignite.internal.processors.cache.KeyCacheObject; +import org.apache.ignite.internal.processors.cache.StoredCacheData; +import org.apache.ignite.internal.processors.cache.binary.CacheObjectBinaryProcessorImpl; +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.FilePageStoreManager; +import org.apache.ignite.internal.processors.cache.persistence.file.RandomAccessFileIOFactory; +import org.apache.ignite.internal.processors.cache.persistence.snapshot.SnapshotMetadata; +import org.apache.ignite.internal.processors.cache.persistence.wal.reader.StandaloneGridKernalContext; +import org.apache.ignite.internal.util.typedef.F; +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.U; +import org.apache.ignite.marshaller.MarshallerUtils; +import org.apache.ignite.marshaller.jdk.JdkMarshaller; +import org.jetbrains.annotations.Nullable; + +import static org.apache.ignite.configuration.DataStorageConfiguration.DFLT_BINARY_METADATA_PATH; +import static org.apache.ignite.configuration.DataStorageConfiguration.DFLT_MARSHALLER_PATH; +import static org.apache.ignite.internal.processors.cache.GridLocalConfigManager.readCacheData; +import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.CACHE_DIR_PREFIX; +import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.CACHE_GRP_DIR_PREFIX; +import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.DFLT_STORE_DIR; +import static org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.PART_FILE_PREFIX; +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.IgniteSnapshotManager.SNAPSHOT_METAFILE_EXT; +import static org.apache.ignite.internal.processors.cache.persistence.snapshot.dump.CreateDumpFutureTask.DUMP_FILE_EXT; +import static org.apache.ignite.internal.processors.cache.persistence.wal.reader.StandaloneGridKernalContext.closeAll; +import static org.apache.ignite.internal.processors.cache.persistence.wal.reader.StandaloneGridKernalContext.startAll; + +/** + * This class provides ability to work with saved cache dump. + */ +public class Dump implements AutoCloseable { + /** Snapshot meta. */ + private final List<SnapshotMetadata> metadata; + + /** Dump directory. */ + private final File dumpDir; + + /** Specific consistent id. */ + private final @Nullable String consistentId; + + /** + * Kernal context for each node in dump. + */ + private final GridKernalContext cctx; + + /** If {@code true} then return data in form of {@link BinaryObject}. */ + private final boolean keepBinary; + + /** If {@code true} then don't deserialize {@link KeyCacheObject} and {@link CacheObject}. */ + private final boolean raw; + + /** + * Map shared across all instances of {@link DumpEntrySerializer}. + * We use per thread buffer because number of threads is fewer then number of partitions. + * Regular count of partitions is {@link RendezvousAffinityFunction#DFLT_PARTITION_COUNT} + * and thread is {@link IgniteConfiguration#DFLT_PUBLIC_THREAD_CNT} whic is significantly less. + */ + private final ConcurrentMap<Long, ByteBuffer> thLocBufs = new ConcurrentHashMap<>(); + + /** + * @param dumpDir Dump directory. + * @param keepBinary If {@code true} then keep read entries in binary form. + * @param raw If {@code true} then keep read entries in form of {@link KeyCacheObject} and {@link CacheObject}. + * @param log Logger. + */ + public Dump(File dumpDir, boolean keepBinary, boolean raw, IgniteLogger log) { + this(dumpDir, null, keepBinary, raw, log); + } + + /** + * @param dumpDir Dump directory. + * @param consistentId If specified, read dump data only for specific node. + * @param keepBinary If {@code true} then keep read entries in binary form. + * @param raw If {@code true} then keep read entries in form of {@link KeyCacheObject} and {@link CacheObject}. + * @param log Logger. + */ + public Dump(File dumpDir, @Nullable String consistentId, boolean keepBinary, boolean raw, IgniteLogger log) { Review Comment: There are two scenario when we analyzing dump content: 1. User exploring dump content with `DumpReader`. So `Dump` provide a way to consume all data saved in dump. 2. Ignite checks dump consistency during creation. In this case we don't want to know or even read data belong to other nodes, because, other node can be in the middle of dump creation. That's why we want to have the way to filter out all node except one in constructor. Note, that `Dump` is internal class, so it's not an `API`. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
