SilverNarcissus commented on a change in pull request #5295: URL: https://github.com/apache/iotdb/pull/5295#discussion_r840598244
########## File path: server/src/main/java/org/apache/iotdb/db/metadata/schemaregion/rocksdb/RSchemaReadWriteHandler.java ########## @@ -0,0 +1,581 @@ +/* + * 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.iotdb.db.metadata.schemaregion.rocksdb; + +import org.apache.iotdb.commons.utils.TestOnly; +import org.apache.iotdb.db.conf.IoTDBConfig; +import org.apache.iotdb.db.conf.IoTDBDescriptor; +import org.apache.iotdb.db.exception.metadata.MetadataException; +import org.apache.iotdb.db.metadata.mnode.IMeasurementMNode; +import org.apache.iotdb.db.metadata.mnode.MeasurementMNode; +import org.apache.iotdb.db.metadata.path.PartialPath; +import org.apache.iotdb.db.metadata.schemaregion.rocksdb.mnode.RMNodeType; +import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; +import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; + +import com.google.common.primitives.Bytes; +import org.rocksdb.BlockBasedTableConfig; +import org.rocksdb.BloomFilter; +import org.rocksdb.Cache; +import org.rocksdb.ColumnFamilyDescriptor; +import org.rocksdb.ColumnFamilyHandle; +import org.rocksdb.ColumnFamilyOptions; +import org.rocksdb.DBOptions; +import org.rocksdb.Filter; +import org.rocksdb.Holder; +import org.rocksdb.InfoLogLevel; +import org.rocksdb.LRUCache; +import org.rocksdb.Options; +import org.rocksdb.RocksDB; +import org.rocksdb.RocksDBException; +import org.rocksdb.RocksIterator; +import org.rocksdb.Statistics; +import org.rocksdb.WriteBatch; +import org.rocksdb.WriteOptions; +import org.rocksdb.util.SizeUnit; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.BufferedOutputStream; +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.nio.ByteBuffer; +import java.util.ArrayList; +import java.util.Arrays; +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.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.function.Function; + +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.ALL_NODE_TYPE_ARRAY; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DATA_BLOCK_TYPE_ORIGIN_KEY; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DATA_BLOCK_TYPE_SCHEMA; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DATA_VERSION; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DEFAULT_FLAG; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.NODE_TYPE_ENTITY; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.NODE_TYPE_MEASUREMENT; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.NODE_TYPE_ROOT; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.PATH_SEPARATOR; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.ROOT; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.TABLE_NAME_TAGS; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.ZERO; + +public class RSchemaReadWriteHandler { + + private static final Logger logger = LoggerFactory.getLogger(RSchemaReadWriteHandler.class); + + protected static IoTDBConfig config = IoTDBDescriptor.getInstance().getConfig(); + + private static final String ROCKSDB_FOLDER = "rocksdb-schema"; + + private static final String[] INNER_TABLES = + new String[] {new String(RocksDB.DEFAULT_COLUMN_FAMILY), TABLE_NAME_TAGS}; + + public static final String ROCKSDB_PATH = config.getSystemDir() + File.separator + ROCKSDB_FOLDER; + + private RocksDB rocksDB; + + ConcurrentMap<String, ColumnFamilyHandle> columnFamilyHandleMap = new ConcurrentHashMap<>(); + List<ColumnFamilyDescriptor> columnFamilyDescriptors = new ArrayList<>(); + List<ColumnFamilyHandle> columnFamilyHandles = new ArrayList<>(); + + static { + RocksDB.loadLibrary(); + } + + public RSchemaReadWriteHandler(String path) throws RocksDBException { + initReadWriteHandler(path); + } + + public RSchemaReadWriteHandler() throws RocksDBException { + initReadWriteHandler(ROCKSDB_PATH); + } + + private void initReadWriteHandler(String path) throws RocksDBException { + try (Options options = new Options()) { + org.rocksdb.Logger rocksDBLogger = new RSchemaLogger(options, logger); + rocksDBLogger.setInfoLogLevel(InfoLogLevel.ERROR_LEVEL); + + options + .setCreateIfMissing(true) + .setAllowMmapReads(true) + .setWriteBufferSize(64 * SizeUnit.KB) + .setMaxWriteBufferNumber(6) + .setMaxBackgroundJobs(10) + .setStatistics(new Statistics()) + .setLogger(rocksDBLogger); + + final Filter bloomFilter = new BloomFilter(64); + + final BlockBasedTableConfig table_options = new BlockBasedTableConfig(); + Cache cache = new LRUCache(20L * 1024 * 1024 * 1024, 6); Review comment: This size can be a constant. ########## File path: server/src/assembly/resources/conf/iotdb-engine.properties ########## @@ -505,6 +505,14 @@ timestamp_precision=ms # Datatype: int # query_timeout_threshold=60000 +#################### Review comment: Please also update doc ########## File path: server/src/main/java/org/apache/iotdb/db/metadata/schemaregion/rocksdb/RSchemaReadWriteHandler.java ########## @@ -0,0 +1,581 @@ +/* + * 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.iotdb.db.metadata.schemaregion.rocksdb; + +import org.apache.iotdb.commons.utils.TestOnly; +import org.apache.iotdb.db.conf.IoTDBConfig; +import org.apache.iotdb.db.conf.IoTDBDescriptor; +import org.apache.iotdb.db.exception.metadata.MetadataException; +import org.apache.iotdb.db.metadata.mnode.IMeasurementMNode; +import org.apache.iotdb.db.metadata.mnode.MeasurementMNode; +import org.apache.iotdb.db.metadata.path.PartialPath; +import org.apache.iotdb.db.metadata.schemaregion.rocksdb.mnode.RMNodeType; +import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; +import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; + +import com.google.common.primitives.Bytes; +import org.rocksdb.BlockBasedTableConfig; +import org.rocksdb.BloomFilter; +import org.rocksdb.Cache; +import org.rocksdb.ColumnFamilyDescriptor; +import org.rocksdb.ColumnFamilyHandle; +import org.rocksdb.ColumnFamilyOptions; +import org.rocksdb.DBOptions; +import org.rocksdb.Filter; +import org.rocksdb.Holder; +import org.rocksdb.InfoLogLevel; +import org.rocksdb.LRUCache; +import org.rocksdb.Options; +import org.rocksdb.RocksDB; +import org.rocksdb.RocksDBException; +import org.rocksdb.RocksIterator; +import org.rocksdb.Statistics; +import org.rocksdb.WriteBatch; +import org.rocksdb.WriteOptions; +import org.rocksdb.util.SizeUnit; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.BufferedOutputStream; +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.nio.ByteBuffer; +import java.util.ArrayList; +import java.util.Arrays; +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.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.function.Function; + +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.ALL_NODE_TYPE_ARRAY; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DATA_BLOCK_TYPE_ORIGIN_KEY; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DATA_BLOCK_TYPE_SCHEMA; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DATA_VERSION; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DEFAULT_FLAG; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.NODE_TYPE_ENTITY; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.NODE_TYPE_MEASUREMENT; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.NODE_TYPE_ROOT; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.PATH_SEPARATOR; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.ROOT; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.TABLE_NAME_TAGS; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.ZERO; + +public class RSchemaReadWriteHandler { + + private static final Logger logger = LoggerFactory.getLogger(RSchemaReadWriteHandler.class); + + protected static IoTDBConfig config = IoTDBDescriptor.getInstance().getConfig(); + + private static final String ROCKSDB_FOLDER = "rocksdb-schema"; + + private static final String[] INNER_TABLES = + new String[] {new String(RocksDB.DEFAULT_COLUMN_FAMILY), TABLE_NAME_TAGS}; + + public static final String ROCKSDB_PATH = config.getSystemDir() + File.separator + ROCKSDB_FOLDER; + + private RocksDB rocksDB; + + ConcurrentMap<String, ColumnFamilyHandle> columnFamilyHandleMap = new ConcurrentHashMap<>(); + List<ColumnFamilyDescriptor> columnFamilyDescriptors = new ArrayList<>(); + List<ColumnFamilyHandle> columnFamilyHandles = new ArrayList<>(); + + static { + RocksDB.loadLibrary(); + } + + public RSchemaReadWriteHandler(String path) throws RocksDBException { + initReadWriteHandler(path); + } + + public RSchemaReadWriteHandler() throws RocksDBException { + initReadWriteHandler(ROCKSDB_PATH); + } + + private void initReadWriteHandler(String path) throws RocksDBException { + try (Options options = new Options()) { + org.rocksdb.Logger rocksDBLogger = new RSchemaLogger(options, logger); + rocksDBLogger.setInfoLogLevel(InfoLogLevel.ERROR_LEVEL); + + options + .setCreateIfMissing(true) + .setAllowMmapReads(true) + .setWriteBufferSize(64 * SizeUnit.KB) + .setMaxWriteBufferNumber(6) + .setMaxBackgroundJobs(10) + .setStatistics(new Statistics()) + .setLogger(rocksDBLogger); + + final Filter bloomFilter = new BloomFilter(64); + + final BlockBasedTableConfig table_options = new BlockBasedTableConfig(); + Cache cache = new LRUCache(20L * 1024 * 1024 * 1024, 6); + table_options + .setBlockCache(cache) + .setFilterPolicy(bloomFilter) + .setBlockSizeDeviation(5) + .setBlockRestartInterval(10) + .setCacheIndexAndFilterBlocks(true) + .setBlockCacheCompressed(new LRUCache(10L * 1024 * 1024 * 1024, 6)); Review comment: This size can be a constant. ########## File path: server/src/test/java/org/apache/iotdb/db/metadata/schemaregion/rocksdb/MRocksDBBenchmark.java ########## @@ -0,0 +1,195 @@ +/* + * 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.iotdb.db.metadata.schemaregion.rocksdb; + +import org.apache.iotdb.db.conf.IoTDBConfig; +import org.apache.iotdb.db.conf.IoTDBDescriptor; +import org.apache.iotdb.db.exception.metadata.MetadataException; +import org.apache.iotdb.db.metadata.mnode.IMNode; +import org.apache.iotdb.db.metadata.path.PartialPath; +import org.apache.iotdb.db.qp.physical.sys.CreateTimeSeriesPlan; + +import org.junit.Ignore; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; +import java.util.Set; + +@Ignore +public class MRocksDBBenchmark { + protected static IoTDBConfig config = IoTDBDescriptor.getInstance().getConfig(); + private RSchemaRegion rocksDBManager; + + public MRocksDBBenchmark(RSchemaRegion rocksDBManager) { + this.rocksDBManager = rocksDBManager; + } + + public List<RocksDBBenchmarkTask.BenchmarkResult> benchmarkResults = new ArrayList<>(); + + // public void testStorageGroupCreation(List<SetStorageGroupPlan> storageGroups) { Review comment: This class has too many commented code. Please explain the main function of this class and remove these commented code. ########## File path: server/src/main/java/org/apache/iotdb/db/metadata/schemaregion/rocksdb/RSchemaReadWriteHandler.java ########## @@ -0,0 +1,581 @@ +/* + * 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.iotdb.db.metadata.schemaregion.rocksdb; + +import org.apache.iotdb.commons.utils.TestOnly; +import org.apache.iotdb.db.conf.IoTDBConfig; +import org.apache.iotdb.db.conf.IoTDBDescriptor; +import org.apache.iotdb.db.exception.metadata.MetadataException; +import org.apache.iotdb.db.metadata.mnode.IMeasurementMNode; +import org.apache.iotdb.db.metadata.mnode.MeasurementMNode; +import org.apache.iotdb.db.metadata.path.PartialPath; +import org.apache.iotdb.db.metadata.schemaregion.rocksdb.mnode.RMNodeType; +import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; +import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; + +import com.google.common.primitives.Bytes; +import org.rocksdb.BlockBasedTableConfig; +import org.rocksdb.BloomFilter; +import org.rocksdb.Cache; +import org.rocksdb.ColumnFamilyDescriptor; +import org.rocksdb.ColumnFamilyHandle; +import org.rocksdb.ColumnFamilyOptions; +import org.rocksdb.DBOptions; +import org.rocksdb.Filter; +import org.rocksdb.Holder; +import org.rocksdb.InfoLogLevel; +import org.rocksdb.LRUCache; +import org.rocksdb.Options; +import org.rocksdb.RocksDB; +import org.rocksdb.RocksDBException; +import org.rocksdb.RocksIterator; +import org.rocksdb.Statistics; +import org.rocksdb.WriteBatch; +import org.rocksdb.WriteOptions; +import org.rocksdb.util.SizeUnit; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.BufferedOutputStream; +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.nio.ByteBuffer; +import java.util.ArrayList; +import java.util.Arrays; +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.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.function.Function; + +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.ALL_NODE_TYPE_ARRAY; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DATA_BLOCK_TYPE_ORIGIN_KEY; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DATA_BLOCK_TYPE_SCHEMA; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DATA_VERSION; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.DEFAULT_FLAG; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.NODE_TYPE_ENTITY; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.NODE_TYPE_MEASUREMENT; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.NODE_TYPE_ROOT; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.PATH_SEPARATOR; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.ROOT; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.TABLE_NAME_TAGS; +import static org.apache.iotdb.db.metadata.schemaregion.rocksdb.RSchemaConstants.ZERO; + +public class RSchemaReadWriteHandler { + + private static final Logger logger = LoggerFactory.getLogger(RSchemaReadWriteHandler.class); + + protected static IoTDBConfig config = IoTDBDescriptor.getInstance().getConfig(); + + private static final String ROCKSDB_FOLDER = "rocksdb-schema"; + + private static final String[] INNER_TABLES = + new String[] {new String(RocksDB.DEFAULT_COLUMN_FAMILY), TABLE_NAME_TAGS}; + + public static final String ROCKSDB_PATH = config.getSystemDir() + File.separator + ROCKSDB_FOLDER; + + private RocksDB rocksDB; + + ConcurrentMap<String, ColumnFamilyHandle> columnFamilyHandleMap = new ConcurrentHashMap<>(); + List<ColumnFamilyDescriptor> columnFamilyDescriptors = new ArrayList<>(); + List<ColumnFamilyHandle> columnFamilyHandles = new ArrayList<>(); + + static { + RocksDB.loadLibrary(); + } + + public RSchemaReadWriteHandler(String path) throws RocksDBException { + initReadWriteHandler(path); + } + + public RSchemaReadWriteHandler() throws RocksDBException { + initReadWriteHandler(ROCKSDB_PATH); + } + + private void initReadWriteHandler(String path) throws RocksDBException { + try (Options options = new Options()) { + org.rocksdb.Logger rocksDBLogger = new RSchemaLogger(options, logger); + rocksDBLogger.setInfoLogLevel(InfoLogLevel.ERROR_LEVEL); + + options + .setCreateIfMissing(true) + .setAllowMmapReads(true) + .setWriteBufferSize(64 * SizeUnit.KB) + .setMaxWriteBufferNumber(6) + .setMaxBackgroundJobs(10) + .setStatistics(new Statistics()) + .setLogger(rocksDBLogger); + + final Filter bloomFilter = new BloomFilter(64); + + final BlockBasedTableConfig table_options = new BlockBasedTableConfig(); + Cache cache = new LRUCache(20L * 1024 * 1024 * 1024, 6); + table_options + .setBlockCache(cache) + .setFilterPolicy(bloomFilter) + .setBlockSizeDeviation(5) + .setBlockRestartInterval(10) + .setCacheIndexAndFilterBlocks(true) + .setBlockCacheCompressed(new LRUCache(10L * 1024 * 1024 * 1024, 6)); + + options.setTableFormatConfig(table_options); + + try (DBOptions dbOptions = new DBOptions(options)) { + + initColumnFamilyDescriptors(options, path); + + rocksDB = RocksDB.open(dbOptions, path, columnFamilyDescriptors, columnFamilyHandles); + + initInnerColumnFamilies(); + + initRootKey(); + } + } + } + + private void initColumnFamilyDescriptors(Options options, String path) throws RocksDBException { + List<byte[]> cfs = RocksDB.listColumnFamilies(options, path); + if (cfs.size() <= 0) { + cfs = new ArrayList<>(); + cfs.add(RocksDB.DEFAULT_COLUMN_FAMILY); + } + + for (byte[] tableBytes : cfs) { + columnFamilyDescriptors.add( + new ColumnFamilyDescriptor(tableBytes, new ColumnFamilyOptions())); + } + } + + private void initInnerColumnFamilies() throws RocksDBException { + for (String tableNames : INNER_TABLES) { + boolean tableCreated = false; + for (ColumnFamilyHandle cfh : columnFamilyHandles) { + if (tableNames.equals(new String(cfh.getName()))) { + tableCreated = true; + break; + } + } + if (!tableCreated) { + createTable(tableNames); + } + } + for (ColumnFamilyHandle handle : columnFamilyHandles) { + columnFamilyHandleMap.put(new String(handle.getName()), handle); + } + } + + private void initRootKey() throws RocksDBException { + byte[] rootKey = RSchemaUtils.toRocksDBKey(ROOT, NODE_TYPE_ROOT); + if (!keyExist(rootKey)) { + rocksDB.put(rootKey, new byte[] {DATA_VERSION, DEFAULT_FLAG}); + } + } + + private void createTable(String tableName) throws RocksDBException { + ColumnFamilyHandle columnFamilyHandle = + rocksDB.createColumnFamily( + new ColumnFamilyDescriptor(tableName.getBytes(), new ColumnFamilyOptions())); + columnFamilyDescriptors.add( + new ColumnFamilyDescriptor(tableName.getBytes(), new ColumnFamilyOptions())); + columnFamilyHandles.add(columnFamilyHandle); + } + + public ColumnFamilyHandle getCFHByName(String columnFamilyName) { + return columnFamilyHandleMap.get(columnFamilyName); + } + + public void updateNode(byte[] key, byte[] value) throws RocksDBException { + rocksDB.put(key, value); + } + + public void createNode(String levelKey, RMNodeType type, byte[] value) throws RocksDBException { + byte[] nodeKey = RSchemaUtils.toRocksDBKey(levelKey, type.getValue()); + rocksDB.put(nodeKey, value); + } + + public void createNode(byte[] nodeKey, byte[] value) throws RocksDBException { + rocksDB.put(nodeKey, value); + } + + public void convertToEntityNode(String levelPath, byte[] value) throws RocksDBException { + try (WriteBatch batch = new WriteBatch()) { + byte[] internalKey = RSchemaUtils.toInternalNodeKey(levelPath); + byte[] entityKey = RSchemaUtils.toEntityNodeKey(levelPath); + batch.delete(internalKey); + batch.put(entityKey, value); + executeBatch(batch); + } + } + + public IMeasurementMNode getMeasurementMNode(PartialPath fullPath) throws MetadataException { + String[] nodes = fullPath.getNodes(); + String key = RSchemaUtils.getLevelPath(nodes, nodes.length - 1); + try { + byte[] value = rocksDB.get(key.getBytes()); + if (value == null) { + logger.warn("path not exist: {}", key); + throw new MetadataException("key not exist"); + } + return new MeasurementMNode(null, fullPath.getFullPath(), null, null); + } catch (RocksDBException e) { + throw new MetadataException(e); + } + } + + public boolean keyExistByType(String levelKey, RMNodeType type) throws RocksDBException { + return keyExistByType(levelKey, type, new Holder<>()); + } + + public boolean keyExistByType(String levelKey, RMNodeType type, Holder<byte[]> holder) + throws RocksDBException { + byte[] key = RSchemaUtils.toRocksDBKey(levelKey, type.getValue()); + return keyExist(key, holder); + } + + public CheckKeyResult keyExistByAllTypes(String levelKey) throws RocksDBException { + RMNodeType[] types = + new RMNodeType[] { + RMNodeType.ALISA, + RMNodeType.ENTITY, + RMNodeType.INTERNAL, + RMNodeType.MEASUREMENT, + RMNodeType.STORAGE_GROUP + }; + return keyExistByTypes(levelKey, types); + } + + public CheckKeyResult keyExistByTypes(String levelKey, RMNodeType... types) + throws RocksDBException { + CheckKeyResult result = new CheckKeyResult(); + try { + Arrays.stream(types) + // .parallel() Review comment: Why this line is commented? -- This is an automated message from the Apache Git Service. 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