nsivabalan commented on a change in pull request #4693: URL: https://github.com/apache/hudi/pull/4693#discussion_r835782128
########## File path: hudi-utilities/src/main/java/org/apache/hudi/utilities/HoodieIndexer.java ########## @@ -0,0 +1,276 @@ +/* + * 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.utilities; + +import org.apache.hudi.avro.model.HoodieIndexCommitMetadata; +import org.apache.hudi.avro.model.HoodieIndexPartitionInfo; +import org.apache.hudi.client.SparkRDDWriteClient; +import org.apache.hudi.common.config.TypedProperties; +import org.apache.hudi.common.model.HoodieRecordPayload; +import org.apache.hudi.common.table.HoodieTableMetaClient; +import org.apache.hudi.common.table.timeline.HoodieInstant; +import org.apache.hudi.common.util.Option; +import org.apache.hudi.common.util.StringUtils; +import org.apache.hudi.exception.HoodieIndexException; +import org.apache.hudi.metadata.MetadataPartitionType; + +import com.beust.jcommander.JCommander; +import com.beust.jcommander.Parameter; +import org.apache.hadoop.fs.Path; +import org.apache.log4j.LogManager; +import org.apache.log4j.Logger; +import org.apache.spark.api.java.JavaSparkContext; +import org.jetbrains.annotations.TestOnly; + +import java.io.Serializable; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import java.util.Locale; +import java.util.stream.Collectors; + +import static org.apache.hudi.common.table.timeline.HoodieInstant.State.INFLIGHT; +import static org.apache.hudi.utilities.UtilHelpers.EXECUTE; +import static org.apache.hudi.utilities.UtilHelpers.SCHEDULE; +import static org.apache.hudi.utilities.UtilHelpers.SCHEDULE_AND_EXECUTE; + +/** + * A tool to run metadata indexing asynchronously. + * <p> + * Example command (assuming indexer.properties contains related index configs, see {@link org.apache.hudi.common.config.HoodieMetadataConfig} for configs): + * <p> + * spark-submit \ + * --class org.apache.hudi.utilities.HoodieIndexer \ + * /path/to/hudi/packaging/hudi-utilities-bundle/target/hudi-utilities-bundle_2.11-0.11.0-SNAPSHOT.jar \ + * --props /path/to/indexer.properties \ + * --mode scheduleAndExecute \ + * --base-path /tmp/hudi_trips_cow \ + * --table-name hudi_trips_cow \ + * --index-types COLUMN_STATS \ + * --parallelism 1 \ + * --spark-memory 1g + * <p> + * A sample indexer.properties file: + * <p> + * hoodie.metadata.index.async=true + * hoodie.metadata.index.column.stats.enable=true + * hoodie.metadata.index.check.timeout.seconds=60 + * hoodie.write.concurrency.mode=optimistic_concurrency_control + * hoodie.write.lock.provider=org.apache.hudi.client.transaction.lock.ZookeeperBasedLockProvider + */ +public class HoodieIndexer { + + private static final Logger LOG = LogManager.getLogger(HoodieIndexer.class); + private static final String DROP_INDEX = "dropindex"; + + private final HoodieIndexer.Config cfg; + private TypedProperties props; + private final JavaSparkContext jsc; + private final HoodieTableMetaClient metaClient; + + public HoodieIndexer(JavaSparkContext jsc, HoodieIndexer.Config cfg) { + this.cfg = cfg; + this.jsc = jsc; + this.props = StringUtils.isNullOrEmpty(cfg.propsFilePath) + ? UtilHelpers.buildProperties(cfg.configs) + : readConfigFromFileSystem(jsc, cfg); + this.metaClient = UtilHelpers.createMetaClient(jsc, cfg.basePath, true); + } + + private TypedProperties readConfigFromFileSystem(JavaSparkContext jsc, HoodieIndexer.Config cfg) { + return UtilHelpers.readConfig(jsc.hadoopConfiguration(), new Path(cfg.propsFilePath), cfg.configs) + .getProps(true); + } + + public static class Config implements Serializable { + @Parameter(names = {"--base-path", "-sp"}, description = "Base path for the table", required = true) + public String basePath = null; + @Parameter(names = {"--table-name", "-tn"}, description = "Table name", required = true) + public String tableName = null; + @Parameter(names = {"--instant-time", "-it"}, description = "Indexing Instant time") + public String indexInstantTime = null; + @Parameter(names = {"--parallelism", "-pl"}, description = "Parallelism for hoodie insert", required = true) + public int parallelism = 1; + @Parameter(names = {"--spark-master", "-ms"}, description = "Spark master") + public String sparkMaster = null; + @Parameter(names = {"--spark-memory", "-sm"}, description = "spark memory to use", required = true) + public String sparkMemory = null; + @Parameter(names = {"--retry", "-rt"}, description = "number of retries") + public int retry = 0; + @Parameter(names = {"--index-types", "-ixt"}, description = "Comma-separated index types to be built, e.g. BLOOM_FILTERS,COLUMN_STATS", required = true) + public String indexTypes = null; + @Parameter(names = {"--mode", "-m"}, description = "Set job mode: Set \"schedule\" to generate an indexing plan; " + + "Set \"execute\" to execute the indexing plan at the given instant, which means --instant-time is required here; " + + "Set \"scheduleandExecute\" to generate an indexing plan first and execute that plan immediately;" + + "Set \"dropindex\" to drop the index types specified in --index-types;") + public String runningMode = null; + @Parameter(names = {"--help", "-h"}, help = true) + public Boolean help = false; + + @Parameter(names = {"--props"}, description = "path to properties file on localfs or dfs, with configurations for hoodie client for indexing") + public String propsFilePath = null; + + @Parameter(names = {"--hoodie-conf"}, description = "Any configuration that can be set in the properties file " + + "(using the CLI parameter \"--props\") can also be passed command line using this parameter. This can be repeated", + splitter = IdentitySplitter.class) + public List<String> configs = new ArrayList<>(); + } + + public static void main(String[] args) { + final HoodieIndexer.Config cfg = new HoodieIndexer.Config(); + JCommander cmd = new JCommander(cfg, null, args); + + if (cfg.help || args.length == 0) { + cmd.usage(); + System.exit(1); + } + + final JavaSparkContext jsc = UtilHelpers.buildSparkContext("indexing-" + cfg.tableName, cfg.sparkMaster, cfg.sparkMemory); + HoodieIndexer indexer = new HoodieIndexer(jsc, cfg); + int result = indexer.start(cfg.retry); + String resultMsg = String.format("Indexing with basePath: %s, tableName: %s, runningMode: %s", + cfg.basePath, cfg.tableName, cfg.runningMode); + if (result == -1) { + LOG.error(resultMsg + " failed"); + } else { + LOG.info(resultMsg + " success"); + } + jsc.stop(); + } + + public int start(int retry) { + return UtilHelpers.retry(retry, () -> { + switch (cfg.runningMode.toLowerCase()) { + case SCHEDULE: { + LOG.info("Running Mode: [" + SCHEDULE + "]; Do schedule"); + Option<String> instantTime = scheduleIndexing(jsc); + int result = instantTime.isPresent() ? 0 : -1; + if (result == 0) { + LOG.info("The schedule instant time is " + instantTime.get()); + } + return result; + } + case SCHEDULE_AND_EXECUTE: { + LOG.info("Running Mode: [" + SCHEDULE_AND_EXECUTE + "]"); + return scheduleAndRunIndexing(jsc); + } + case EXECUTE: { + LOG.info("Running Mode: [" + EXECUTE + "];"); + return runIndexing(jsc); + } + case DROP_INDEX: { + LOG.info("Running Mode: [" + DROP_INDEX + "];"); + return dropIndex(jsc); + } + default: { + LOG.info("Unsupported running mode [" + cfg.runningMode + "], quit the job directly"); + return -1; + } + } + }, "Indexer failed"); + } + + @TestOnly + public Option<String> doSchedule() throws Exception { + return this.scheduleIndexing(jsc); + } + + private Option<String> scheduleIndexing(JavaSparkContext jsc) throws Exception { + String schemaStr = UtilHelpers.getSchemaFromLatestInstant(metaClient); + try (SparkRDDWriteClient<HoodieRecordPayload> client = UtilHelpers.createHoodieClient(jsc, cfg.basePath, schemaStr, cfg.parallelism, Option.empty(), props)) { + return doSchedule(client); + } + } + + private Option<String> doSchedule(SparkRDDWriteClient<HoodieRecordPayload> client) { + List<String> partitionsToIndex = Arrays.asList(cfg.indexTypes.split(",")); + List<MetadataPartitionType> partitionTypes = partitionsToIndex.stream() + .map(p -> MetadataPartitionType.valueOf(p.toUpperCase(Locale.ROOT))) + .collect(Collectors.toList()); + if (cfg.indexInstantTime != null) { + client.scheduleClusteringAtInstant(cfg.indexInstantTime, Option.empty()); Review comment: this should be scheduleIndexing -- This is an automated message from the Apache Git Service. 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