stevenzwu commented on code in PR #11144: URL: https://github.com/apache/iceberg/pull/11144#discussion_r1777422424
########## flink/v1.20/flink/src/test/java/org/apache/iceberg/flink/maintenance/api/TestExpireSnapshots.java: ########## @@ -0,0 +1,235 @@ +/* + * 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.iceberg.flink.maintenance.api; + +import static org.apache.iceberg.flink.SimpleDataUtil.createRecord; +import static org.apache.iceberg.flink.maintenance.api.ExpireSnapshots.DELETE_FILES_OPERATOR_NAME; +import static org.apache.iceberg.flink.maintenance.operator.TableMaintenanceMetrics.DELETE_FILE_FAILED_COUNTER; +import static org.apache.iceberg.flink.maintenance.operator.TableMaintenanceMetrics.DELETE_FILE_SUCCEEDED_COUNTER; +import static org.assertj.core.api.Assertions.assertThat; + +import java.time.Duration; +import java.util.Set; +import org.apache.flink.core.execution.JobClient; +import org.apache.flink.streaming.api.graph.StreamGraphGenerator; +import org.apache.iceberg.SerializableTable; +import org.apache.iceberg.Snapshot; +import org.apache.iceberg.Table; +import org.apache.iceberg.flink.SimpleDataUtil; +import org.apache.iceberg.flink.maintenance.operator.MetricsReporterFactoryForTests; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableList; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableMap; +import org.apache.iceberg.relocated.com.google.common.collect.Sets; +import org.awaitility.Awaitility; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +class TestExpireSnapshots extends MaintenanceTaskTestBase { + private Table table; + + @BeforeEach + void before() { + MetricsReporterFactoryForTests.reset(); + this.table = createTable(); + } + + @Test + void testExpireSnapshots() throws Exception { + insert(table, 1, "a"); + insert(table, 2, "b"); + insert(table, 3, "c"); + insert(table, 4, "d"); + + Set<Snapshot> snapshots = Sets.newHashSet(table.snapshots()); + assertThat(snapshots).hasSize(4); + + ExpireSnapshots.builder() + .parallelism(1) + .planningWorkerPoolSize(2) + .deleteBatchSize(3) + .deleteParallelism(1) + .maxSnapshotAge(Duration.ZERO) + .retainLast(1) + .uidSuffix(UID_SUFFIX) + .append( + infra.triggerStream(), + 0, + DUMMY_NAME, + tableLoader(), + "OTHER", + StreamGraphGenerator.DEFAULT_SLOT_SHARING_GROUP, + 1) + .sinkTo(infra.sink()); + + runAndWaitForSuccess( + infra.env(), infra.source(), infra.sink(), () -> checkDeleteFinished(3L), table); + + table.refresh(); + assertThat(Sets.newHashSet(table.snapshots())).hasSize(1); + // Check that the table data not changed + SimpleDataUtil.assertTableRecords( + table, + ImmutableList.of( + createRecord(1, "a"), + createRecord(2, "b"), + createRecord(3, "c"), + createRecord(4, "d"))); + } + + @Test + void testFailure() throws Exception { + insert(table, 1, "a"); + insert(table, 2, "b"); + + SerializableTable serializableTable = (SerializableTable) SerializableTable.copyOf(table); + + ExpireSnapshots.builder() + .append( + infra.triggerStream(), + 0, + DUMMY_NAME, + tableLoader(), + UID_SUFFIX, + StreamGraphGenerator.DEFAULT_SLOT_SHARING_GROUP, + 1) + .sinkTo(infra.sink()); + + JobClient jobClient = null; + try { + jobClient = infra.env().executeAsync(); + + // Do a single task run + long time = System.currentTimeMillis(); + infra + .source() + .sendRecord(Trigger.create(time, serializableTable, 1), System.currentTimeMillis()); + + // First successful run (ensure that the operators are loaded/opened etc.) + assertThat(infra.sink().poll(Duration.ofSeconds(5)).success()).isTrue(); + + // Drop the table, so it will cause an exception + dropTable(); + + // Failed run + infra.source().sendRecord(Trigger.create(time + 1, serializableTable, 1), time + 1); + + assertThat(infra.sink().poll(Duration.ofSeconds(5)).success()).isFalse(); + } finally { + closeJobClient(jobClient); + } + + // Check the metrics + MetricsReporterFactoryForTests.assertCounters( + new ImmutableMap.Builder<String, Long>() + .put( + DELETE_FILES_OPERATOR_NAME + "." + DUMMY_NAME + "." + DELETE_FILE_FAILED_COUNTER, + 0L) + .put( + DELETE_FILES_OPERATOR_NAME + "." + DUMMY_NAME + "." + DELETE_FILE_SUCCEEDED_COUNTER, + 0L) Review Comment: oh. that is because we didn't set the maxAge or maxSnapshots in the builder. maybe add a comment in line 133 or line 119. maybe sth like `there are no expired snapshots or data files because ExpireSnapshots has no max age of number of snapshots set`. ########## flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/maintenance/operator/DeleteFilesProcessor.java: ########## @@ -0,0 +1,125 @@ +/* + * 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.iceberg.flink.maintenance.operator; + +import java.util.Set; +import org.apache.flink.annotation.Internal; +import org.apache.flink.metrics.Counter; +import org.apache.flink.streaming.api.operators.AbstractStreamOperator; +import org.apache.flink.streaming.api.operators.OneInputStreamOperator; +import org.apache.flink.streaming.api.watermark.Watermark; +import org.apache.flink.streaming.runtime.streamrecord.StreamRecord; +import org.apache.iceberg.Table; +import org.apache.iceberg.flink.TableLoader; +import org.apache.iceberg.io.BulkDeletionFailureException; +import org.apache.iceberg.io.FileIO; +import org.apache.iceberg.io.SupportsBulkOperations; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; +import org.apache.iceberg.relocated.com.google.common.collect.Sets; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** Delete the files using the {@link FileIO} which implements {@link SupportsBulkOperations}. */ +@Internal +public class DeleteFilesProcessor extends AbstractStreamOperator<Void> + implements OneInputStreamOperator<String, Void> { + private static final Logger LOG = LoggerFactory.getLogger(DeleteFilesProcessor.class); + + private final String name; + private final SupportsBulkOperations io; + private final String tableName; + private final Set<String> filesToDelete = Sets.newHashSet(); + private final int batchSize; + + private transient Counter failedCounter; + private transient Counter succeededCounter; + + public DeleteFilesProcessor(String name, TableLoader tableLoader, int batchSize) { + Preconditions.checkNotNull(name, "Name should no be null"); + Preconditions.checkNotNull(tableLoader, "Table loader should no be null"); + + tableLoader.open(); Review Comment: It is difficult to track if open and close are not handled by the same class. `TableLoader.clone` could be used if there are multiple places where table loader need to be opened and loaded. Again, a read-only `SerializableTable` is sufficient here, right? Can we have the `TableMaintenance` load the table once and pass the read-only `SerializableTable` to the `MaintenanceTaskBuilder.append(...)`? -- 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: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
