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[flink] Introduce Query Service (apache#2709)
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70 changes: 70 additions & 0 deletions
70
...-flink-common/src/main/java/org/apache/paimon/flink/action/QueryServiceActionFactory.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.paimon.flink.action; | ||
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| import org.apache.paimon.flink.service.QueryService; | ||
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| import org.apache.flink.api.java.tuple.Tuple3; | ||
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| import java.util.Map; | ||
| import java.util.Optional; | ||
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| /** Factory to create QueryService Action. */ | ||
| public class QueryServiceActionFactory implements ActionFactory { | ||
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| public static final String IDENTIFIER = "query_service"; | ||
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| public static final String PARALLELISM = "parallelism"; | ||
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| @Override | ||
| public String identifier() { | ||
| return IDENTIFIER; | ||
| } | ||
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| @Override | ||
| public Optional<Action> create(MultipleParameterToolAdapter params) { | ||
| Tuple3<String, String, String> tablePath = getTablePath(params); | ||
| Map<String, String> catalogConfig = optionalConfigMap(params, CATALOG_CONF); | ||
| Map<String, String> tableConfig = optionalConfigMap(params, TABLE_CONF); | ||
| String parallStr = params.get(PARALLELISM); | ||
| int parallelism = parallStr == null ? 1 : Integer.parseInt(parallStr); | ||
| Action action = | ||
| new TableActionBase(tablePath.f0, tablePath.f1, tablePath.f2, catalogConfig) { | ||
| @Override | ||
| public void run() throws Exception { | ||
| QueryService.build(env, table.copy(tableConfig), parallelism); | ||
| execute("Query Service job"); | ||
| } | ||
| }; | ||
| return Optional.of(action); | ||
| } | ||
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| @Override | ||
| public void printHelp() { | ||
| System.out.println( | ||
| "Action \"query-service\" runs a dedicated job starting query service for a table."); | ||
| System.out.println(); | ||
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| System.out.println("Syntax:"); | ||
| System.out.println( | ||
| " query-service --warehouse <warehouse-path> --database <database-name> --table <table-name> --parallelism <parallelism>" | ||
| + "[--catalog_conf <key>=<value> [--catalog_conf <key>=<value> ...]] " | ||
| + "[--table_conf <key>=<value> [--table_conf <key>=<value> ...]] "); | ||
| } | ||
| } |
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51 changes: 51 additions & 0 deletions
51
...n-flink-common/src/main/java/org/apache/paimon/flink/procedure/QueryServiceProcedure.java
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| @@ -0,0 +1,51 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.paimon.flink.procedure; | ||
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| import org.apache.paimon.catalog.Identifier; | ||
| import org.apache.paimon.flink.service.QueryService; | ||
| import org.apache.paimon.table.Table; | ||
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| import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; | ||
| import org.apache.flink.table.procedure.ProcedureContext; | ||
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| /** | ||
| * Query Service procedure. Usage: | ||
| * | ||
| * <pre><code> | ||
| * CALL sys.query_service('tableId', 'parallelism') | ||
| * </code></pre> | ||
| */ | ||
| public class QueryServiceProcedure extends ProcedureBase { | ||
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| public static final String IDENTIFIER = "query_service"; | ||
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| @Override | ||
| public String identifier() { | ||
| return IDENTIFIER; | ||
| } | ||
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| public String[] call(ProcedureContext procedureContext, String tableId, int parallelism) | ||
| throws Exception { | ||
| Table table = catalog.getTable(Identifier.fromString(tableId)); | ||
| StreamExecutionEnvironment env = procedureContext.getExecutionEnvironment(); | ||
| QueryService.build(env, table, parallelism); | ||
| return execute(env, IDENTIFIER); | ||
| } | ||
| } |
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76 changes: 76 additions & 0 deletions
76
...imon-flink-common/src/main/java/org/apache/paimon/flink/service/QueryAddressRegister.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,76 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.paimon.flink.service; | ||
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| import org.apache.paimon.data.InternalRow; | ||
| import org.apache.paimon.service.ServiceManager; | ||
| import org.apache.paimon.table.FileStoreTable; | ||
| import org.apache.paimon.table.Table; | ||
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| import org.apache.flink.configuration.Configuration; | ||
| import org.apache.flink.streaming.api.functions.sink.RichSinkFunction; | ||
| import org.apache.flink.streaming.api.functions.sink.SinkFunction; | ||
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| import java.net.InetSocketAddress; | ||
| import java.util.TreeMap; | ||
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| import static org.apache.paimon.service.ServiceManager.PRIMARY_KEY_LOOKUP; | ||
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| /** Operator for address server to register addresses to {@link ServiceManager}. */ | ||
| public class QueryAddressRegister extends RichSinkFunction<InternalRow> { | ||
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| private final Table table; | ||
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| private transient int numberExecutors; | ||
| private transient TreeMap<Integer, InetSocketAddress> executors; | ||
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| public QueryAddressRegister(Table table) { | ||
| this.table = table; | ||
| } | ||
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| @Override | ||
| public void open(Configuration parameters) throws Exception { | ||
| this.executors = new TreeMap<>(); | ||
| } | ||
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| @Override | ||
| public void invoke(InternalRow row, SinkFunction.Context context) { | ||
| int numberExecutors = row.getInt(0); | ||
| if (this.numberExecutors != 0 && this.numberExecutors != numberExecutors) { | ||
| throw new IllegalArgumentException( | ||
| String.format( | ||
| "Number Executors can not be changed! Old %s , New %s .", | ||
| this.numberExecutors, numberExecutors)); | ||
| } | ||
| this.numberExecutors = numberExecutors; | ||
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| int executorId = row.getInt(1); | ||
| String hostname = row.getString(2).toString(); | ||
| int port = row.getInt(3); | ||
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| executors.put(executorId, new InetSocketAddress(hostname, port)); | ||
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| if (executors.size() == numberExecutors) { | ||
| FileStoreTable storeTable = (FileStoreTable) table; | ||
| ServiceManager manager = storeTable.store().newServiceManager(); | ||
| manager.resetService( | ||
| PRIMARY_KEY_LOOKUP, executors.values().toArray(new InetSocketAddress[0])); | ||
| } | ||
| } | ||
| } |
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