sadanand48 commented on code in PR #9417: URL: https://github.com/apache/ozone/pull/9417#discussion_r2601093425
########## hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/response/TestOMResponse.java: ########## @@ -0,0 +1,154 @@ +/* + * 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.hadoop.ozone.om.response; + +import static org.junit.jupiter.api.Assertions.assertTrue; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +import com.google.protobuf.ProtocolMessageEnum; +import java.nio.file.Path; +import org.apache.hadoop.hdds.conf.OzoneConfiguration; +import org.apache.hadoop.hdds.protocol.proto.HddsProtos; +import org.apache.hadoop.hdds.utils.ProtocolMessageMetrics; +import org.apache.hadoop.ozone.om.OMConfigKeys; +import org.apache.hadoop.ozone.om.OMMetadataManager; +import org.apache.hadoop.ozone.om.OmConfig; +import org.apache.hadoop.ozone.om.OmMetadataManagerImpl; +import org.apache.hadoop.ozone.om.OzoneManager; +import org.apache.hadoop.ozone.om.execution.OMExecutionFlow; +import org.apache.hadoop.ozone.om.ratis.OzoneManagerRatisServer; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMResponse; +import org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB; +import org.apache.ozone.test.GenericTestUtils; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.io.TempDir; + +/** + * Test class for OMResponse related methods. + */ +public class TestOMResponse { + @TempDir + private Path folder; + + private OzoneManagerProtocolServerSideTranslatorPB translator; + private GenericTestUtils.LogCapturer logCapturer; + private static final long IPC_MAX_LEN = 1024 * 1024; // 1MB + private static final long WARN_THRESHOLD = IPC_MAX_LEN / 2; // 512KB + + @BeforeEach + public void setup() throws Exception { + OzoneConfiguration configuration = new OzoneConfiguration(); + configuration.set(OMConfigKeys.OZONE_OM_DB_DIRS, + folder.toAbsolutePath().toString()); + configuration.setLong( + "ipc.maximum.response.length", IPC_MAX_LEN); + + OzoneManager ozoneManager = mock(OzoneManager.class); + OMMetadataManager omMetadataManager = new OmMetadataManagerImpl( + configuration, ozoneManager); + when(ozoneManager.getMetadataManager()).thenReturn(omMetadataManager); + when(ozoneManager.getConfiguration()).thenReturn(configuration); + + final OmConfig omConfig = configuration.getObject(OmConfig.class); + when(ozoneManager.getConfig()).thenReturn(omConfig); + + OMExecutionFlow omExecutionFlow = new OMExecutionFlow(ozoneManager); + when(ozoneManager.getOmExecutionFlow()).thenReturn(omExecutionFlow); + + OzoneManagerRatisServer ratisServer = mock(OzoneManagerRatisServer.class); + when(ratisServer.checkRetryCache()).thenReturn(null); + + ProtocolMessageMetrics<ProtocolMessageEnum> protocolMessageMetrics = + mock(ProtocolMessageMetrics.class); + + translator = new OzoneManagerProtocolServerSideTranslatorPB( + ozoneManager, ratisServer, protocolMessageMetrics); + + // Capture logs from OzoneManagerProtocolServerSideTranslatorPB + logCapturer = GenericTestUtils.LogCapturer.captureLogs( + OzoneManagerProtocolServerSideTranslatorPB.class); + } + + @AfterEach + public void tearDown() { + if (logCapturer != null) { + logCapturer.stopCapturing(); + } + } + + @Test + public void testLargeResponseLogging() { + // Create a large response that exceeds the threshold + // Use ListKeysResponse with many keys to create a large response + OzoneManagerProtocolProtos.ListKeysResponse.Builder listKeysBuilder = + OzoneManagerProtocolProtos.ListKeysResponse.newBuilder(); + for (int i = 0; i < 12000; i++) { + listKeysBuilder.addKeyInfo(OzoneManagerProtocolProtos.KeyInfo.newBuilder() + .setKeyName("key" + i) + .setVolumeName("vol1") + .setBucketName("bucket1") + .setDataSize(1024) + .setCreationTime(System.currentTimeMillis()) + .setType(HddsProtos.ReplicationType.RATIS) + .setModificationTime(System.currentTimeMillis()) + .build()); + } + + OMResponse largeResponse = OMResponse.newBuilder() + .setCmdType(OzoneManagerProtocolProtos.Type.ListKeys) + .setStatus(OzoneManagerProtocolProtos.Status.OK) + .setSuccess(true) + .setListKeysResponse(listKeysBuilder.build()) + .build(); + + long responseSize = largeResponse.getSerializedSize(); + + // Clear previous logs + logCapturer.clearOutput(); + translator.logLargeResponseIfNeeded(largeResponse); + + // Verify logging occurred + String logOutput = logCapturer.getOutput(); + assertTrue(logOutput.contains("Large OMResponse detected"), + "Log should contain 'Large OMResponse detected'. Actual log: " + logOutput); + assertTrue(logOutput.contains("cmd=ListKeys"), "Log should contain command type. Actual log: " + logOutput); + // Verify the size in log matches our response size + assertTrue(logOutput.contains("size=" + responseSize + "B"), + "Log should contain actual response size. Actual log: " + logOutput); + } + + @Test + public void testSmallResponseNoLogging() { + // Create a small response + OMResponse smallResponse = OMResponse.newBuilder() + .setCmdType(OzoneManagerProtocolProtos.Type.InfoVolume) + .setStatus(OzoneManagerProtocolProtos.Status.OK) + .setSuccess(true) + .setMessage("Small response") + .build(); + + long responseSize = smallResponse.getSerializedSize(); + assertTrue(responseSize < WARN_THRESHOLD, Review Comment: Done. -- 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. 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