vamsikarnika commented on code in PR #17463: URL: https://github.com/apache/hudi/pull/17463#discussion_r2627926301
########## hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/spark/sql/hudi/command/procedures/ShowFileHistoryProcedureUtils.scala: ########## @@ -0,0 +1,481 @@ +/* + * 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.spark.sql.hudi.command.procedures + +import org.apache.hudi.common.model.{HoodieCommitMetadata, HoodieWriteStat, WriteOperationType} +import org.apache.hudi.common.table.HoodieTableMetaClient +import org.apache.hudi.common.table.timeline.{HoodieInstant, HoodieTimeline} +import org.apache.hudi.common.util.ClusteringUtils + +import org.apache.spark.internal.Logging +import org.apache.spark.sql.types.{DataTypes, Metadata, StructField, StructType} + +import java.util + +import scala.collection.JavaConverters._ + +case class HistoryEntry(instantTime: String, + completionTime: String, + action: String, + timelineType: String, + state: String, + partitionPath: String, + fileName: String, + operationType: String, + numWrites: Long, + numInserts: Long, + numUpdates: Long, + numDeletes: Long, + fileSizeBytes: Long, + totalWriteBytes: Long, + prevCommit: String, + totalWriteErrors: Long, + totalScanTimeMs: Long, + totalUpsertTimeMs: Long, + totalCreateTimeMs: Long, + prevBaseFile: Option[String], + columnStatsAvailable: Boolean + ) + +case class DeletionInfo(action: String, instant: String, timelineType: String, deleteStatus: String = "SUCCESS") + +case class ReplacementInfo(action: String, instant: String, timelineType: String) + +object ShowFileHistoryProcedureUtils extends Logging { + + val OUTPUT_TYPE = new StructType(Array[StructField]( + StructField("instant_time", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("completion_time", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("action", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("timeline_type", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("state", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("partition_path", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("file_name", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("operation_type", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("num_writes", DataTypes.LongType, nullable = true, Metadata.empty), + StructField("num_inserts", DataTypes.LongType, nullable = true, Metadata.empty), + StructField("num_updates", DataTypes.LongType, nullable = true, Metadata.empty), + StructField("num_deletes", DataTypes.LongType, nullable = true, Metadata.empty), + StructField("file_size_bytes", DataTypes.LongType, nullable = true, Metadata.empty), + StructField("total_write_bytes", DataTypes.LongType, nullable = true, Metadata.empty), + StructField("prev_commit", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("was_deleted", DataTypes.BooleanType, nullable = true, Metadata.empty), + StructField("delete_action", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("delete_instant", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("delete_status", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("was_replaced", DataTypes.BooleanType, nullable = true, Metadata.empty), + StructField("replace_action", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("replace_instant", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("total_write_errors", DataTypes.LongType, nullable = true, Metadata.empty), + StructField("total_scan_time_ms", DataTypes.LongType, nullable = true, Metadata.empty), + StructField("total_upsert_time_ms", DataTypes.LongType, nullable = true, Metadata.empty), + StructField("total_create_time_ms", DataTypes.LongType, nullable = true, Metadata.empty), + StructField("prev_base_file", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("column_stats_available", DataTypes.BooleanType, nullable = true, Metadata.empty) + )) + + def readCommitMetadata(timeline: HoodieTimeline, instant: HoodieInstant): Option[HoodieCommitMetadata] = { + try { + if (ClusteringUtils.isClusteringOrReplaceCommitAction(instant.getAction)) { + Option(timeline.readReplaceCommitMetadata(instant)) + } else { + Option(timeline.readCommitMetadata(instant)) + } + } catch { + case e: Exception => + log.warn(s"Failed to read commit metadata for ${instant.requestedTime}: ${e.getMessage}") + None + } + } + + def determineOperationType(writeStat: HoodieWriteStat): String = { + val hasInserts = writeStat.getNumInserts > 0 + val hasUpdates = writeStat.getNumUpdateWrites > 0 + val hasDeletes = writeStat.getNumDeletes > 0 + + val operations = Seq( + if (hasInserts) Some("INSERT") else None, + if (hasUpdates) Some("UPDATE") else None, + if (hasDeletes) Some("DELETE") else None + ).flatten + + if (operations.nonEmpty) { + operations.mkString("_AND_") + } else { + "UNKNOWN" + } + } + + def processWriteTimeline(timeline: HoodieTimeline, + fileGroupId: String, + targetPartition: Option[String], + timelineType: String, + entries: util.ArrayList[HistoryEntry], + limit: Int, + startTime: String, + endTime: String): Unit = { + + val writeTimeline = timeline.getWriteTimeline + val allInstants = writeTimeline.getInstants.asScala.toSeq + + val filteredInstants = if (startTime.nonEmpty && endTime.nonEmpty) { + allInstants.filter { instant => + val instantTime = instant.requestedTime() + instantTime >= startTime && instantTime <= endTime + } + } else if (startTime.nonEmpty) { + allInstants.filter { instant => + val instantTime = instant.requestedTime() + instantTime >= startTime + } + } else { + allInstants + } + + if (startTime.nonEmpty && endTime.nonEmpty) { + for (instant <- filteredInstants) { + try { + processInstant(timeline, instant, fileGroupId, targetPartition, timelineType, entries) + } catch { + case e: Exception => + log.warn(s"Failed to process instant ${instant.requestedTime}: ${e.getMessage}") + } + } + } else { + var foundCount = 0 + for (instant <- filteredInstants if foundCount < limit) { + try { + val initialSize = entries.size() + processInstant(timeline, instant, fileGroupId, targetPartition, timelineType, entries) + if (entries.size() > initialSize) { + foundCount += 1 + } + } catch { + case e: Exception => + log.warn(s"Failed to process instant ${instant.requestedTime}: ${e.getMessage}") + } + } + } + } + + private def processInstant(timeline: HoodieTimeline, + instant: HoodieInstant, + fileGroupId: String, + targetPartition: Option[String], + timelineType: String, + entries: util.ArrayList[HistoryEntry]): Unit = { + + if (instant.getState == HoodieInstant.State.INFLIGHT || instant.getState == HoodieInstant.State.REQUESTED) { + val entry = createInflightRequestedEntry(instant, targetPartition, timelineType) + entries.add(entry) + } + + val commitMetadata = readCommitMetadata(timeline, instant) + if (commitMetadata.isDefined) { + val metadata = commitMetadata.get + val partitionsToCheck = targetPartition.map(Set(_)).getOrElse(metadata.getPartitionToWriteStats.keySet().asScala.toSet) + + for (partitionPath <- partitionsToCheck) { + val writeStatsOpt = Option(metadata.getPartitionToWriteStats.get(partitionPath)) + if (writeStatsOpt.isDefined) { + val writeStats = writeStatsOpt.get.asScala + for (writeStat <- writeStats) { + if (writeStat.getFileId == fileGroupId) { + val entry = createHistoryEntry(instant, writeStat, partitionPath, timelineType) + entries.add(entry) + } + } + } + } + } + } + + def createHistoryEntry(instant: HoodieInstant, + writeStat: HoodieWriteStat, + targetPartition: String, + timelineType: String): HistoryEntry = { + + val fileName = Option(writeStat.getPath).map(_.split("/").last).getOrElse("") + val operationType = determineOperationType(writeStat) + + val runtimeStats = Option(writeStat.getRuntimeStats) + val scanTime = runtimeStats.map(_.getTotalScanTime).getOrElse(0L) + val upsertTime = runtimeStats.map(_.getTotalUpsertTime).getOrElse(0L) + val createTime = runtimeStats.map(_.getTotalCreateTime).getOrElse(0L) + + HistoryEntry( + instantTime = instant.requestedTime, + completionTime = instant.getCompletionTime, + action = instant.getAction, + timelineType = timelineType, + state = instant.getState.toString, + partitionPath = targetPartition, + fileName = fileName, + operationType = operationType, + numWrites = writeStat.getNumWrites, + numInserts = writeStat.getNumInserts, + numUpdates = writeStat.getNumUpdateWrites, + numDeletes = writeStat.getNumDeletes, + fileSizeBytes = writeStat.getFileSizeInBytes, + totalWriteBytes = writeStat.getTotalWriteBytes, + prevCommit = writeStat.getPrevCommit, + totalWriteErrors = writeStat.getTotalWriteErrors, + totalScanTimeMs = scanTime, + totalUpsertTimeMs = upsertTime, + totalCreateTimeMs = createTime, + prevBaseFile = Option(writeStat.getPrevBaseFile), + columnStatsAvailable = writeStat.getColumnStats.isPresent + ) + } + + def createInflightRequestedEntry(instant: HoodieInstant, + targetPartition: Option[String], + timelineType: String): HistoryEntry = { + + HistoryEntry( + instantTime = instant.requestedTime, + completionTime = instant.getCompletionTime, + action = instant.getAction, + timelineType = timelineType, + state = instant.getState.toString, + partitionPath = targetPartition.getOrElse(""), + fileName = "", + operationType = "UNKNOWN", + numWrites = -1, + numInserts = -1, + numUpdates = -1, + numDeletes = -1, + fileSizeBytes = -1, + totalWriteBytes = -1, + prevCommit = "", + totalWriteErrors = -1, + totalScanTimeMs = -1, + totalUpsertTimeMs = -1, + totalCreateTimeMs = -1, + prevBaseFile = None, + columnStatsAvailable = false + ) + } + + def checkForDeletions(metaClient: HoodieTableMetaClient, + fileGroupId: String, + targetPartition: Option[String], + showArchived: Boolean): Map[String, DeletionInfo] = { + + val deletions = scala.collection.mutable.Map[String, DeletionInfo]() + + checkDeletionsInTimeline(metaClient.getActiveTimeline, fileGroupId, targetPartition, "ACTIVE", deletions) + + if (showArchived) { + try { + val archivedTimeline = metaClient.getArchivedTimeline.reload() + archivedTimeline.loadCompletedInstantDetailsInMemory() + checkDeletionsInTimeline(archivedTimeline, fileGroupId, targetPartition, "ARCHIVED", deletions) + } catch { + case e: Exception => + log.warn(s"Failed to check deletions in archived timeline: ${e.getMessage}") + } + } + + deletions.toMap + } + + def checkForReplacements(metaClient: HoodieTableMetaClient, + fileGroupId: String, + targetPartition: Option[String], + showArchived: Boolean): Map[String, ReplacementInfo] = { + + val replacements = scala.collection.mutable.Map[String, ReplacementInfo]() + + checkReplacementsInTimeline(metaClient.getActiveTimeline, fileGroupId, targetPartition, "ACTIVE", replacements) + + if (showArchived) { + try { + val archivedTimeline = metaClient.getArchivedTimeline.reload() + archivedTimeline.loadCompletedInstantDetailsInMemory() + checkReplacementsInTimeline(archivedTimeline, fileGroupId, targetPartition, "ARCHIVED", replacements) + } catch { + case e: Exception => + log.warn(s"Failed to check replacements in archived timeline: ${e.getMessage}") + } + } + + replacements.toMap + } + + private def checkDeletionsInTimeline(timeline: HoodieTimeline, + fileGroupId: String, + targetPartition: Option[String], + timelineType: String, + deletions: scala.collection.mutable.Map[String, DeletionInfo]): Unit = { + + val cleanInstants = timeline.getCleanerTimeline.getInstants.iterator().asScala + for (instant <- cleanInstants) { + try { + if (instant.getState == HoodieInstant.State.COMPLETED) { + val cleanMetadata = timeline.readCleanMetadata(instant) + val partitionsToCheck = targetPartition.map(Set(_)).getOrElse(cleanMetadata.getPartitionMetadata.keySet().asScala.toSet) + + for { + partitionPath <- partitionsToCheck + partitionMetadata <- Option(cleanMetadata.getPartitionMetadata.get(partitionPath)) + } { + for { + deletedFile <- partitionMetadata.getSuccessDeleteFiles.asScala + if matchesDeletedFileGroup(deletedFile, fileGroupId) + } { + val deletedFileName = extractActualFileName(deletedFile) + deletions(deletedFileName) = DeletionInfo(HoodieTimeline.CLEAN_ACTION, instant.requestedTime, timelineType, "SUCCESS") + } + for { + failedDeleteFile <- partitionMetadata.getFailedDeleteFiles.asScala + if matchesDeletedFileGroup(failedDeleteFile, fileGroupId) + } { + val failedDeleteFileName = extractActualFileName(failedDeleteFile) + deletions(failedDeleteFileName) = DeletionInfo(HoodieTimeline.CLEAN_ACTION, instant.requestedTime, timelineType, "FAILED") + } + } + } + } catch { + case e: Exception => + log.warn(s"Failed to process clean instant ${instant.requestedTime}: ${e.getMessage}") + } + } + + val rollbackInstants = timeline.getRollbackTimeline.getInstants.iterator().asScala + for (instant <- rollbackInstants) { + try { + if (instant.getState == HoodieInstant.State.COMPLETED) { + val rollbackMetadata = timeline.readRollbackMetadata(instant) + val partitionsToCheck = targetPartition.map(Set(_)).getOrElse(rollbackMetadata.getPartitionMetadata.keySet().asScala.toSet) + + for { + partitionPath <- partitionsToCheck + partitionMetadata <- Option(rollbackMetadata.getPartitionMetadata.get(partitionPath)) + } { + for { + deletedFile <- partitionMetadata.getSuccessDeleteFiles.asScala + if matchesDeletedFileGroup(deletedFile, fileGroupId) + } { + val deletedFileName = extractActualFileName(deletedFile) + deletions(deletedFileName) = DeletionInfo(HoodieTimeline.ROLLBACK_ACTION, instant.requestedTime, timelineType, "SUCCESS") + } + for { + failedDeleteFile <- partitionMetadata.getFailedDeleteFiles.asScala + if matchesDeletedFileGroup(failedDeleteFile, fileGroupId) + } { + val failedDeleteFileName = extractActualFileName(failedDeleteFile) + deletions(failedDeleteFileName) = DeletionInfo(HoodieTimeline.ROLLBACK_ACTION, instant.requestedTime, timelineType, "FAILED") + } + } + } + } catch { + case e: Exception => + log.warn(s"Failed to process rollback instant ${instant.requestedTime}: ${e.getMessage}") + } + } + } + + private def checkReplacementsInTimeline(timeline: HoodieTimeline, + fileGroupId: String, + targetPartition: Option[String], + timelineType: String, + replacements: scala.collection.mutable.Map[String, ReplacementInfo]): Unit = { + + val replacementInstants = timeline.getCommitsAndCompactionTimeline.getInstants.iterator().asScala + for (instant <- replacementInstants) { + try { + if (instant.getState == HoodieInstant.State.COMPLETED) { + val commitMetadata = readCommitMetadata(timeline, instant) + if (commitMetadata.isDefined) { + val metadata = commitMetadata.get Review Comment: we're only looking for compaction and clustering instants, so why not filter for them directly? why readCommitMetadata for all instants when we're not using them. reading commit metadata can be a costly operation -- This is an automated message from the Apache Git Service. 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