gaborgsomogyi commented on code in PR #26931: URL: https://github.com/apache/flink/pull/26931#discussion_r2291458405
########## flink-tests/src/test/java/org/apache/flink/test/checkpointing/UnalignedCheckpointRescaleWithMixedExchangesITCase.java: ########## @@ -0,0 +1,352 @@ +/* + * 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.flink.test.checkpointing; + +import org.apache.flink.api.common.JobStatus; +import org.apache.flink.api.common.eventtime.WatermarkStrategy; +import org.apache.flink.api.common.typeinfo.Types; +import org.apache.flink.api.connector.source.util.ratelimit.RateLimiterStrategy; +import org.apache.flink.api.java.functions.KeySelector; +import org.apache.flink.configuration.CheckpointingOptions; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.configuration.ExternalizedCheckpointRetention; +import org.apache.flink.configuration.MemorySize; +import org.apache.flink.configuration.StateRecoveryOptions; +import org.apache.flink.configuration.TaskManagerOptions; +import org.apache.flink.connector.datagen.source.DataGeneratorSource; +import org.apache.flink.core.execution.JobClient; +import org.apache.flink.runtime.minicluster.MiniCluster; +import org.apache.flink.runtime.testutils.CommonTestUtils; +import org.apache.flink.runtime.testutils.MiniClusterResourceConfiguration; +import org.apache.flink.streaming.api.datastream.DataStream; +import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; +import org.apache.flink.streaming.api.functions.co.CoMapFunction; +import org.apache.flink.test.util.MiniClusterWithClientResource; +import org.apache.flink.util.TestLogger; + +import org.junit.After; +import org.junit.Before; +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.TemporaryFolder; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; + +import javax.annotation.Nullable; + +import java.io.IOException; +import java.time.Duration; +import java.util.Collection; +import java.util.Collections; +import java.util.List; +import java.util.Random; + +/** + * Integration test for rescaling jobs with mixed (UC-supported and UC-unsupported) exchanges from + * an unaligned checkpoint. + */ +@RunWith(Parameterized.class) +public class UnalignedCheckpointRescaleWithMixedExchangesITCase extends TestLogger { + + private static final int NUM_TASK_MANAGERS = 1; + private static final int SLOTS_PER_TASK_MANAGER = 10; + private static final int MAX_SLOTS = NUM_TASK_MANAGERS * SLOTS_PER_TASK_MANAGER; + private static final Random RANDOM = new Random(); + + private static MiniClusterWithClientResource cluster; + @Rule public TemporaryFolder temporaryFolder = new TemporaryFolder(); + + @Parameterized.Parameter public ExecuteJobViaEnv executeJobViaEnv; + + @Parameterized.Parameters(name = "Test case {index}") + public static Collection<ExecuteJobViaEnv> parameter() { + return List.of( + UnalignedCheckpointRescaleWithMixedExchangesITCase::createMultiOutputDAG, + UnalignedCheckpointRescaleWithMixedExchangesITCase::createMultiInputDAG, + UnalignedCheckpointRescaleWithMixedExchangesITCase::createRescalePartitionerDAG, + UnalignedCheckpointRescaleWithMixedExchangesITCase::createMixedComplexityDAG); + } + + @Before + public void setup() throws Exception { + cluster = + new MiniClusterWithClientResource( + new MiniClusterResourceConfiguration.Builder() + .setConfiguration(new Configuration()) + .setNumberTaskManagers(NUM_TASK_MANAGERS) + .setNumberSlotsPerTaskManager(SLOTS_PER_TASK_MANAGER) + .build()); + cluster.before(); + } + + @After + public void shutDownExistingCluster() { + if (cluster != null) { + cluster.after(); + cluster = null; + } + } + + /** + * Tests rescaling from an unaligned checkpoint with different job structures that have mixed + * (UC-supported and UC-unsupported) exchanges. + */ + @Test + public void testRescaleFromUnalignedCheckpoint() throws Exception { + final MiniCluster miniCluster = cluster.getMiniCluster(); + + // Step 1: Run the job with initial parallelism and take a checkpoint + JobClient jobClient1 = executeJobViaEnv.executeJob(getUnalignedCheckpointEnv(null)); + + CommonTestUtils.waitForJobStatus(jobClient1, Collections.singletonList(JobStatus.RUNNING)); + CommonTestUtils.waitForAllTaskRunning(miniCluster, jobClient1.getJobID(), false); + String checkpointPath = + CommonTestUtils.waitForCheckpointWithInflightBuffers( + jobClient1.getJobID(), miniCluster); + jobClient1.cancel().get(); + + // Step 2: Restore the job with a different parallelism + JobClient jobClient2 = + executeJobViaEnv.executeJob(getUnalignedCheckpointEnv(checkpointPath)); + + CommonTestUtils.waitForJobStatus(jobClient2, Collections.singletonList(JobStatus.RUNNING)); + CommonTestUtils.waitForAllTaskRunning(miniCluster, jobClient2.getJobID(), false); + CommonTestUtils.waitForCheckpointWithInflightBuffers(jobClient2.getJobID(), miniCluster); + jobClient2.cancel().get(); + } + + private StreamExecutionEnvironment getUnalignedCheckpointEnv(@Nullable String recoveryPath) + throws IOException { + Configuration conf = new Configuration(); + conf.set(CheckpointingOptions.CHECKPOINTING_INTERVAL, Duration.ofSeconds(1)); + conf.set( + CheckpointingOptions.EXTERNALIZED_CHECKPOINT_RETENTION, + ExternalizedCheckpointRetention.RETAIN_ON_CANCELLATION); + conf.set( + CheckpointingOptions.CHECKPOINTS_DIRECTORY, + temporaryFolder.newFolder().toURI().toString()); + conf.set(CheckpointingOptions.ENABLE_UNALIGNED, true); + // Decrease the memory segment size to avoid the test is so slow for some reasons: + // 1. Recovery phase needs to consume all inflight buffers + // 2. Forward or rescale exchange does not support unaligned checkpoint. + conf.set(TaskManagerOptions.MEMORY_SEGMENT_SIZE, MemorySize.parse("1 kb")); Review Comment: I needed to execute the class 4-5 times to see the following failure: ``` java.lang.IllegalStateException: Job has entered FAILED state, but expecting [RUNNING] ``` -- 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...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
