cshuo commented on code in PR #17803: URL: https://github.com/apache/hudi/pull/17803#discussion_r2675188278
########## hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/sink/partitioner/index/IndexDelegatorFactory.java: ########## @@ -0,0 +1,96 @@ +/* + * 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.hudi.sink.partitioner.index; + +import org.apache.hudi.common.model.HoodieRecordGlobalLocation; +import org.apache.hudi.common.util.ValidationUtils; +import org.apache.hudi.configuration.FlinkOptions; +import org.apache.hudi.configuration.OptionsResolver; +import org.apache.hudi.index.HoodieIndex; +import org.apache.hudi.utils.RuntimeContextUtils; +import org.apache.hudi.utils.StateTtlConfigUtils; + +import org.apache.flink.api.common.JobID; +import org.apache.flink.api.common.functions.RuntimeContext; +import org.apache.flink.api.common.state.ListState; +import org.apache.flink.api.common.state.ListStateDescriptor; +import org.apache.flink.api.common.state.ValueState; +import org.apache.flink.api.common.state.ValueStateDescriptor; +import org.apache.flink.api.common.typeinfo.TypeInformation; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.runtime.state.FunctionInitializationContext; + +import java.util.stream.StreamSupport; + +/** + * Factory to create an {@link IndexDelegator} based on the configured index type. + */ +public class IndexDelegatorFactory { + public static IndexDelegator create(Configuration conf, FunctionInitializationContext context, RuntimeContext runtimeContext) throws Exception { + HoodieIndex.IndexType indexType = OptionsResolver.getIndexType(conf); + switch (indexType) { + case FLINK_STATE: + ValueStateDescriptor<HoodieRecordGlobalLocation> indexStateDesc = + new ValueStateDescriptor<>( + "indexState", + TypeInformation.of(HoodieRecordGlobalLocation.class)); + double ttl = conf.get(FlinkOptions.INDEX_STATE_TTL) * 24 * 60 * 60 * 1000; + if (ttl > 0) { + indexStateDesc.enableTimeToLive(StateTtlConfigUtils.createTtlConfig((long) ttl)); + } + ValueState<HoodieRecordGlobalLocation> indexState = context.getKeyedStateStore().getState(indexStateDesc); + ValidationUtils.checkArgument(indexState != null, "indexState should not be null when using FLINK_STATE index!"); + return new FlinkStateIndexDelegator(indexState); + case GLOBAL_RECORD_LEVEL_INDEX: + ListState<JobID> jobIdState = context.getOperatorStateStore().getListState( + new ListStateDescriptor<>( + "bucket-assign-job-id-state", + TypeInformation.of(JobID.class) + )); + long initCheckpointId = -1; + if (context.isRestored()) { + int attemptId = RuntimeContextUtils.getAttemptNumber(runtimeContext); + initCheckpointId = initCheckpointId(attemptId, jobIdState, context.getRestoredCheckpointId().orElse(-1L), runtimeContext); + } + // set the jobId state with current job id. + jobIdState.clear(); + jobIdState.add(RuntimeContextUtils.getJobId(runtimeContext)); + return new RecordLevelIndexDelegator(conf, initCheckpointId); + default: + throw new UnsupportedOperationException("Index type " + indexType + " is not supported for bucket assigning yet."); + } + } + + private static long initCheckpointId(int attemptId, ListState<JobID> jobIdState, long restoredCheckpointId, RuntimeContext runtimeContext) throws Exception { + if (attemptId <= 0) { + // returns early if the job/task is initially started. + return -1; + } + JobID currentJobId = RuntimeContextUtils.getJobId(runtimeContext); + if (StreamSupport.stream(jobIdState.get().spliterator(), false) + .noneMatch(currentJobId::equals)) { + // do not set up the checkpoint id if the state comes from the old job. + return -1; + } + // sets up the known checkpoint id as the last successful checkpoint id for purposes of: + // 1). old events cleaning; + // 2). instant time request for current checkpoint. Review Comment: no, updated the doc. -- 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]
