jojochuang commented on code in PR #8392: URL: https://github.com/apache/ozone/pull/8392#discussion_r2078222050
########## hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/snapshot/filter/TestReclaimableKeyFilter.java: ########## @@ -0,0 +1,267 @@ +/* + * 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.snapshot.filter; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertTrue; +import static org.mockito.ArgumentMatchers.eq; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import java.util.Optional; +import java.util.concurrent.atomic.AtomicLong; +import org.apache.hadoop.hdds.utils.db.Table; +import org.apache.hadoop.ozone.om.KeyManager; +import org.apache.hadoop.ozone.om.OmSnapshot; +import org.apache.hadoop.ozone.om.OmSnapshotManager; +import org.apache.hadoop.ozone.om.OzoneManager; +import org.apache.hadoop.ozone.om.SnapshotChainManager; +import org.apache.hadoop.ozone.om.helpers.OmBucketInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.helpers.SnapshotInfo; +import org.apache.hadoop.ozone.om.lock.IOzoneManagerLock; +import org.apache.hadoop.ozone.om.snapshot.ReferenceCounted; +import org.apache.hadoop.ozone.om.snapshot.SnapshotUtils; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.Arguments; +import org.junit.jupiter.params.provider.MethodSource; +import org.rocksdb.RocksDBException; + +/** + * Test class for ReclaimableKeyFilter. + */ +public class TestReclaimableKeyFilter extends AbstractReclaimableFilterTest { + @Override + protected ReclaimableFilter initializeFilter(OzoneManager om, OmSnapshotManager snapshotManager, + SnapshotChainManager chainManager, SnapshotInfo currentSnapshotInfo, + KeyManager km, IOzoneManagerLock lock, + int numberOfPreviousSnapshotsFromChain) { + return new ReclaimableKeyFilter(om, snapshotManager, chainManager, currentSnapshotInfo, km, lock); + } + + List<Arguments> testReclaimableFilterArguments() { + List<Arguments> arguments = new ArrayList<>(); + for (int i = 0; i < 3; i++) { + for (int j = 0; j < 5; j++) { + arguments.add(Arguments.of(i, j)); + } + } + return arguments; + } + + private KeyManager mockOmSnapshot(ReferenceCounted<OmSnapshot> snapshot) { + if (snapshot != null) { + OmSnapshot omSnapshot = snapshot.get(); + KeyManager keyManager = mock(KeyManager.class); + when(omSnapshot.getKeyManager()).thenReturn(keyManager); + return keyManager; + } + return null; + } + + @SuppressWarnings("checkstyle:ParameterNumber") + private void testReclaimableKeyFilter(String volume, String bucket, int index, + OmKeyInfo keyInfo, OmKeyInfo prevKeyInfo, OmKeyInfo prevPrevKeyInfo, + Boolean expectedValue, + Optional<AtomicLong> size, Optional<AtomicLong> replicatedSize) + throws IOException { + List<SnapshotInfo> snapshotInfos = getLastSnapshotInfos(volume, bucket, 2, index); + SnapshotInfo previousToPreviousSapshotInfo = snapshotInfos.get(0); + SnapshotInfo prevSnapshotInfo = snapshotInfos.get(1); + OmBucketInfo bucketInfo = getOzoneManager().getBucketInfo(volume, bucket); + long volumeId = getOzoneManager().getMetadataManager().getVolumeId(volume); + + ReferenceCounted<OmSnapshot> prevSnap = Optional.ofNullable(prevSnapshotInfo) + .map(info -> { + try { + return getOmSnapshotManager().getActiveSnapshot(volume, bucket, info.getName()); + } catch (IOException e) { + throw new RuntimeException(e); + } + }).orElse(null); + ReferenceCounted<OmSnapshot> prevToPrevSnap = Optional.ofNullable(previousToPreviousSapshotInfo) + .map(info -> { + try { + return getOmSnapshotManager().getActiveSnapshot(volume, bucket, info.getName()); + } catch (IOException e) { + throw new RuntimeException(e); + } + }).orElse(null); + + KeyManager keyManager = getKeyManager(); + KeyManager prevKeyManager = mockOmSnapshot(prevSnap); + KeyManager prevToPrevKeyManager = mockOmSnapshot(prevToPrevSnap); + if (prevKeyManager != null) { + when(keyManager.getPreviousSnapshotOzoneKeyInfo(eq(volumeId), + eq(bucketInfo), eq(keyInfo))) + .thenReturn((km) -> prevKeyInfo); + } + if (prevKeyInfo != null && prevKeyManager != null && prevToPrevKeyManager != null) { + when(prevKeyManager.getPreviousSnapshotOzoneKeyInfo(eq(volumeId), + eq(bucketInfo), eq(prevKeyInfo))).thenReturn((km) -> prevPrevKeyInfo); + } + when(keyInfo.getVolumeName()).thenReturn(volume); + when(keyInfo.getBucketName()).thenReturn(bucket); + assertEquals(expectedValue, getReclaimableFilter().apply(Table.newKeyValue("key", keyInfo))); + ReclaimableKeyFilter keyFilter = (ReclaimableKeyFilter) getReclaimableFilter(); + if (prevSnap != null) { + assertEquals(size.map(AtomicLong::get).orElse(null), + keyFilter.getExclusiveSizeMap().get(prevSnap.get().getSnapshotID())); + assertEquals(replicatedSize.map(AtomicLong::get).orElse(null), + keyFilter.getExclusiveReplicatedSizeMap().get(prevSnap.get().getSnapshotID())); + } else { + assertTrue(keyFilter.getExclusiveReplicatedSizeMap().isEmpty()); + assertTrue(keyFilter.getExclusiveSizeMap().isEmpty()); + } + + } + + private OmKeyInfo getMockedOmKeyInfo(long objectId, long size, long replicatedSize) { + OmKeyInfo keyInfo = mock(OmKeyInfo.class); + when(keyInfo.getObjectID()).thenReturn(objectId); + when(keyInfo.getDataSize()).thenReturn(size); + when(keyInfo.getReplicatedSize()).thenReturn(replicatedSize); + return keyInfo; + } + + private OmKeyInfo getMockedOmKeyInfo(long objectId) { + return getMockedOmKeyInfo(objectId, 0, 0); + } + + @ParameterizedTest + @MethodSource("testReclaimableFilterArguments") + public void testNonReclaimableKey(int actualNumberOfSnapshots, int index) throws IOException, RocksDBException { + setup(2, actualNumberOfSnapshots, index, 4, 2); + String volume = getVolumes().get(3); + String bucket = getBuckets().get(1); + index = Math.min(index, actualNumberOfSnapshots); + OmKeyInfo keyInfo = getMockedOmKeyInfo(1); + OmKeyInfo prevKeyInfo = index - 1 >= 0 ? getMockedOmKeyInfo(1) : null; + OmKeyInfo prevPrevKeyInfo = index - 2 >= 0 ? getMockedOmKeyInfo(3) : null; + if (prevKeyInfo != null) { + getMockedSnapshotUtils().when(() -> SnapshotUtils.isBlockLocationInfoSame(eq(prevKeyInfo), eq(keyInfo))) + .thenReturn(true); + } + if (prevPrevKeyInfo != null) { + getMockedSnapshotUtils().when(() -> SnapshotUtils.isBlockLocationInfoSame(eq(prevPrevKeyInfo), eq(prevKeyInfo))) + .thenReturn(true); + } + Optional<AtomicLong> size = Optional.ofNullable(prevKeyInfo).map(i -> new AtomicLong()); + testReclaimableKeyFilter(volume, bucket, index, keyInfo, prevKeyInfo, prevPrevKeyInfo, + prevKeyInfo == null, size, size); + } + Review Comment: ```suggestion /** * Tests the filter when the object IDs differ between current and previous snapshot key entries. * * @param actualNumberOfSnapshots the total number of snapshots in the chain. * @param index the snapshot chain index used for testing. * @throws IOException if an I/O error occurs during the test. * @throws RocksDBException if RocksDB encounters an error. */ ``` ########## hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/snapshot/filter/TestReclaimableKeyFilter.java: ########## @@ -0,0 +1,267 @@ +/* + * 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.snapshot.filter; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertTrue; +import static org.mockito.ArgumentMatchers.eq; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import java.util.Optional; +import java.util.concurrent.atomic.AtomicLong; +import org.apache.hadoop.hdds.utils.db.Table; +import org.apache.hadoop.ozone.om.KeyManager; +import org.apache.hadoop.ozone.om.OmSnapshot; +import org.apache.hadoop.ozone.om.OmSnapshotManager; +import org.apache.hadoop.ozone.om.OzoneManager; +import org.apache.hadoop.ozone.om.SnapshotChainManager; +import org.apache.hadoop.ozone.om.helpers.OmBucketInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.helpers.SnapshotInfo; +import org.apache.hadoop.ozone.om.lock.IOzoneManagerLock; +import org.apache.hadoop.ozone.om.snapshot.ReferenceCounted; +import org.apache.hadoop.ozone.om.snapshot.SnapshotUtils; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.Arguments; +import org.junit.jupiter.params.provider.MethodSource; +import org.rocksdb.RocksDBException; + +/** + * Test class for ReclaimableKeyFilter. + */ +public class TestReclaimableKeyFilter extends AbstractReclaimableFilterTest { + @Override + protected ReclaimableFilter initializeFilter(OzoneManager om, OmSnapshotManager snapshotManager, + SnapshotChainManager chainManager, SnapshotInfo currentSnapshotInfo, + KeyManager km, IOzoneManagerLock lock, + int numberOfPreviousSnapshotsFromChain) { + return new ReclaimableKeyFilter(om, snapshotManager, chainManager, currentSnapshotInfo, km, lock); + } + + List<Arguments> testReclaimableFilterArguments() { + List<Arguments> arguments = new ArrayList<>(); + for (int i = 0; i < 3; i++) { + for (int j = 0; j < 5; j++) { + arguments.add(Arguments.of(i, j)); + } + } + return arguments; + } + + private KeyManager mockOmSnapshot(ReferenceCounted<OmSnapshot> snapshot) { + if (snapshot != null) { + OmSnapshot omSnapshot = snapshot.get(); + KeyManager keyManager = mock(KeyManager.class); + when(omSnapshot.getKeyManager()).thenReturn(keyManager); + return keyManager; + } + return null; + } + + @SuppressWarnings("checkstyle:ParameterNumber") + private void testReclaimableKeyFilter(String volume, String bucket, int index, + OmKeyInfo keyInfo, OmKeyInfo prevKeyInfo, OmKeyInfo prevPrevKeyInfo, + Boolean expectedValue, + Optional<AtomicLong> size, Optional<AtomicLong> replicatedSize) + throws IOException { + List<SnapshotInfo> snapshotInfos = getLastSnapshotInfos(volume, bucket, 2, index); + SnapshotInfo previousToPreviousSapshotInfo = snapshotInfos.get(0); + SnapshotInfo prevSnapshotInfo = snapshotInfos.get(1); + OmBucketInfo bucketInfo = getOzoneManager().getBucketInfo(volume, bucket); + long volumeId = getOzoneManager().getMetadataManager().getVolumeId(volume); + + ReferenceCounted<OmSnapshot> prevSnap = Optional.ofNullable(prevSnapshotInfo) + .map(info -> { + try { + return getOmSnapshotManager().getActiveSnapshot(volume, bucket, info.getName()); + } catch (IOException e) { + throw new RuntimeException(e); + } + }).orElse(null); + ReferenceCounted<OmSnapshot> prevToPrevSnap = Optional.ofNullable(previousToPreviousSapshotInfo) + .map(info -> { + try { + return getOmSnapshotManager().getActiveSnapshot(volume, bucket, info.getName()); + } catch (IOException e) { + throw new RuntimeException(e); + } + }).orElse(null); + + KeyManager keyManager = getKeyManager(); + KeyManager prevKeyManager = mockOmSnapshot(prevSnap); + KeyManager prevToPrevKeyManager = mockOmSnapshot(prevToPrevSnap); + if (prevKeyManager != null) { + when(keyManager.getPreviousSnapshotOzoneKeyInfo(eq(volumeId), + eq(bucketInfo), eq(keyInfo))) + .thenReturn((km) -> prevKeyInfo); + } + if (prevKeyInfo != null && prevKeyManager != null && prevToPrevKeyManager != null) { + when(prevKeyManager.getPreviousSnapshotOzoneKeyInfo(eq(volumeId), + eq(bucketInfo), eq(prevKeyInfo))).thenReturn((km) -> prevPrevKeyInfo); + } + when(keyInfo.getVolumeName()).thenReturn(volume); + when(keyInfo.getBucketName()).thenReturn(bucket); + assertEquals(expectedValue, getReclaimableFilter().apply(Table.newKeyValue("key", keyInfo))); + ReclaimableKeyFilter keyFilter = (ReclaimableKeyFilter) getReclaimableFilter(); + if (prevSnap != null) { + assertEquals(size.map(AtomicLong::get).orElse(null), + keyFilter.getExclusiveSizeMap().get(prevSnap.get().getSnapshotID())); + assertEquals(replicatedSize.map(AtomicLong::get).orElse(null), + keyFilter.getExclusiveReplicatedSizeMap().get(prevSnap.get().getSnapshotID())); + } else { + assertTrue(keyFilter.getExclusiveReplicatedSizeMap().isEmpty()); + assertTrue(keyFilter.getExclusiveSizeMap().isEmpty()); + } + + } + + private OmKeyInfo getMockedOmKeyInfo(long objectId, long size, long replicatedSize) { + OmKeyInfo keyInfo = mock(OmKeyInfo.class); + when(keyInfo.getObjectID()).thenReturn(objectId); + when(keyInfo.getDataSize()).thenReturn(size); + when(keyInfo.getReplicatedSize()).thenReturn(replicatedSize); + return keyInfo; + } + + private OmKeyInfo getMockedOmKeyInfo(long objectId) { + return getMockedOmKeyInfo(objectId, 0, 0); + } + + @ParameterizedTest + @MethodSource("testReclaimableFilterArguments") + public void testNonReclaimableKey(int actualNumberOfSnapshots, int index) throws IOException, RocksDBException { + setup(2, actualNumberOfSnapshots, index, 4, 2); + String volume = getVolumes().get(3); + String bucket = getBuckets().get(1); + index = Math.min(index, actualNumberOfSnapshots); + OmKeyInfo keyInfo = getMockedOmKeyInfo(1); + OmKeyInfo prevKeyInfo = index - 1 >= 0 ? getMockedOmKeyInfo(1) : null; + OmKeyInfo prevPrevKeyInfo = index - 2 >= 0 ? getMockedOmKeyInfo(3) : null; + if (prevKeyInfo != null) { + getMockedSnapshotUtils().when(() -> SnapshotUtils.isBlockLocationInfoSame(eq(prevKeyInfo), eq(keyInfo))) + .thenReturn(true); + } + if (prevPrevKeyInfo != null) { + getMockedSnapshotUtils().when(() -> SnapshotUtils.isBlockLocationInfoSame(eq(prevPrevKeyInfo), eq(prevKeyInfo))) + .thenReturn(true); + } + Optional<AtomicLong> size = Optional.ofNullable(prevKeyInfo).map(i -> new AtomicLong()); + testReclaimableKeyFilter(volume, bucket, index, keyInfo, prevKeyInfo, prevPrevKeyInfo, + prevKeyInfo == null, size, size); + } + + @ParameterizedTest + @MethodSource("testReclaimableFilterArguments") + public void testReclaimableKeyWithDifferentObjId(int actualNumberOfSnapshots, int index) + throws IOException, RocksDBException { + setup(2, actualNumberOfSnapshots, index, 4, 2); + String volume = getVolumes().get(3); + String bucket = getBuckets().get(1); + index = Math.min(index, actualNumberOfSnapshots); + OmKeyInfo keyInfo = getMockedOmKeyInfo(1); + OmKeyInfo prevKeyInfo = index - 1 >= 0 ? getMockedOmKeyInfo(2) : null; + OmKeyInfo prevPrevKeyInfo = index - 2 >= 0 ? getMockedOmKeyInfo(3) : null; + if (prevKeyInfo != null) { + getMockedSnapshotUtils().when(() -> SnapshotUtils.isBlockLocationInfoSame(eq(prevKeyInfo), eq(keyInfo))) + .thenReturn(true); + } + testReclaimableKeyFilter(volume, bucket, index, keyInfo, prevKeyInfo, prevPrevKeyInfo, + true, Optional.empty(), Optional.empty()); + } + + @ParameterizedTest + @MethodSource("testReclaimableFilterArguments") + public void testReclaimableKeyWithDifferentBlockIds(int actualNumberOfSnapshots, int index) + throws IOException, RocksDBException { + setup(2, actualNumberOfSnapshots, index, 4, 2); + String volume = getVolumes().get(3); + String bucket = getBuckets().get(1); + index = Math.min(index, actualNumberOfSnapshots); + OmKeyInfo keyInfo = getMockedOmKeyInfo(1); + OmKeyInfo prevKeyInfo = index - 1 >= 0 ? getMockedOmKeyInfo(1) : null; + OmKeyInfo prevPrevKeyInfo = index - 2 >= 0 ? getMockedOmKeyInfo(3) : null; + if (prevKeyInfo != null) { + getMockedSnapshotUtils().when(() -> SnapshotUtils.isBlockLocationInfoSame(eq(prevKeyInfo), eq(keyInfo))) + .thenReturn(false); + } + testReclaimableKeyFilter(volume, bucket, index, keyInfo, prevKeyInfo, prevPrevKeyInfo, + true, Optional.empty(), Optional.empty()); + } + Review Comment: ```suggestion /** * Tests the exclusive size calculation for a non-reclaimable key. * * <p>This test verifies that for a key which is not reclaimable, * the filter correctly updates the exclusive size and exclusive replicated size * stored in the filter's maps. * * @param actualNumberOfSnapshots the total number of snapshots in the chain. * @param index the snapshot chain index used for testing size calculations. * @throws IOException if an I/O error occurs during the test. * @throws RocksDBException if RocksDB encounters an error. */ ``` ########## hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/snapshot/filter/TestReclaimableKeyFilter.java: ########## @@ -0,0 +1,267 @@ +/* + * 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.snapshot.filter; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertTrue; +import static org.mockito.ArgumentMatchers.eq; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import java.util.Optional; +import java.util.concurrent.atomic.AtomicLong; +import org.apache.hadoop.hdds.utils.db.Table; +import org.apache.hadoop.ozone.om.KeyManager; +import org.apache.hadoop.ozone.om.OmSnapshot; +import org.apache.hadoop.ozone.om.OmSnapshotManager; +import org.apache.hadoop.ozone.om.OzoneManager; +import org.apache.hadoop.ozone.om.SnapshotChainManager; +import org.apache.hadoop.ozone.om.helpers.OmBucketInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.helpers.SnapshotInfo; +import org.apache.hadoop.ozone.om.lock.IOzoneManagerLock; +import org.apache.hadoop.ozone.om.snapshot.ReferenceCounted; +import org.apache.hadoop.ozone.om.snapshot.SnapshotUtils; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.Arguments; +import org.junit.jupiter.params.provider.MethodSource; +import org.rocksdb.RocksDBException; + +/** + * Test class for ReclaimableKeyFilter. + */ +public class TestReclaimableKeyFilter extends AbstractReclaimableFilterTest { + @Override + protected ReclaimableFilter initializeFilter(OzoneManager om, OmSnapshotManager snapshotManager, + SnapshotChainManager chainManager, SnapshotInfo currentSnapshotInfo, + KeyManager km, IOzoneManagerLock lock, + int numberOfPreviousSnapshotsFromChain) { + return new ReclaimableKeyFilter(om, snapshotManager, chainManager, currentSnapshotInfo, km, lock); + } + + List<Arguments> testReclaimableFilterArguments() { + List<Arguments> arguments = new ArrayList<>(); + for (int i = 0; i < 3; i++) { + for (int j = 0; j < 5; j++) { + arguments.add(Arguments.of(i, j)); + } + } + return arguments; + } + + private KeyManager mockOmSnapshot(ReferenceCounted<OmSnapshot> snapshot) { + if (snapshot != null) { + OmSnapshot omSnapshot = snapshot.get(); + KeyManager keyManager = mock(KeyManager.class); + when(omSnapshot.getKeyManager()).thenReturn(keyManager); + return keyManager; + } + return null; + } + + @SuppressWarnings("checkstyle:ParameterNumber") + private void testReclaimableKeyFilter(String volume, String bucket, int index, + OmKeyInfo keyInfo, OmKeyInfo prevKeyInfo, OmKeyInfo prevPrevKeyInfo, + Boolean expectedValue, + Optional<AtomicLong> size, Optional<AtomicLong> replicatedSize) + throws IOException { + List<SnapshotInfo> snapshotInfos = getLastSnapshotInfos(volume, bucket, 2, index); + SnapshotInfo previousToPreviousSapshotInfo = snapshotInfos.get(0); + SnapshotInfo prevSnapshotInfo = snapshotInfos.get(1); + OmBucketInfo bucketInfo = getOzoneManager().getBucketInfo(volume, bucket); + long volumeId = getOzoneManager().getMetadataManager().getVolumeId(volume); + + ReferenceCounted<OmSnapshot> prevSnap = Optional.ofNullable(prevSnapshotInfo) + .map(info -> { + try { + return getOmSnapshotManager().getActiveSnapshot(volume, bucket, info.getName()); + } catch (IOException e) { + throw new RuntimeException(e); + } + }).orElse(null); + ReferenceCounted<OmSnapshot> prevToPrevSnap = Optional.ofNullable(previousToPreviousSapshotInfo) + .map(info -> { + try { + return getOmSnapshotManager().getActiveSnapshot(volume, bucket, info.getName()); + } catch (IOException e) { + throw new RuntimeException(e); + } + }).orElse(null); + + KeyManager keyManager = getKeyManager(); + KeyManager prevKeyManager = mockOmSnapshot(prevSnap); + KeyManager prevToPrevKeyManager = mockOmSnapshot(prevToPrevSnap); + if (prevKeyManager != null) { + when(keyManager.getPreviousSnapshotOzoneKeyInfo(eq(volumeId), + eq(bucketInfo), eq(keyInfo))) + .thenReturn((km) -> prevKeyInfo); + } + if (prevKeyInfo != null && prevKeyManager != null && prevToPrevKeyManager != null) { + when(prevKeyManager.getPreviousSnapshotOzoneKeyInfo(eq(volumeId), + eq(bucketInfo), eq(prevKeyInfo))).thenReturn((km) -> prevPrevKeyInfo); + } + when(keyInfo.getVolumeName()).thenReturn(volume); + when(keyInfo.getBucketName()).thenReturn(bucket); + assertEquals(expectedValue, getReclaimableFilter().apply(Table.newKeyValue("key", keyInfo))); + ReclaimableKeyFilter keyFilter = (ReclaimableKeyFilter) getReclaimableFilter(); + if (prevSnap != null) { + assertEquals(size.map(AtomicLong::get).orElse(null), + keyFilter.getExclusiveSizeMap().get(prevSnap.get().getSnapshotID())); + assertEquals(replicatedSize.map(AtomicLong::get).orElse(null), + keyFilter.getExclusiveReplicatedSizeMap().get(prevSnap.get().getSnapshotID())); + } else { + assertTrue(keyFilter.getExclusiveReplicatedSizeMap().isEmpty()); + assertTrue(keyFilter.getExclusiveSizeMap().isEmpty()); + } + + } + + private OmKeyInfo getMockedOmKeyInfo(long objectId, long size, long replicatedSize) { + OmKeyInfo keyInfo = mock(OmKeyInfo.class); + when(keyInfo.getObjectID()).thenReturn(objectId); + when(keyInfo.getDataSize()).thenReturn(size); + when(keyInfo.getReplicatedSize()).thenReturn(replicatedSize); + return keyInfo; + } + + private OmKeyInfo getMockedOmKeyInfo(long objectId) { + return getMockedOmKeyInfo(objectId, 0, 0); + } + Review Comment: ```suggestion /** * Tests that a key not present in prior snapshots is not reclaimable. * * @param actualNumberOfSnapshots the total number of snapshots in the chain. * @param index the snapshot chain index used for testing. * @throws IOException if an I/O error occurs during the test. * @throws RocksDBException if RocksDB encounters an error. */ ``` ########## hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/snapshot/filter/TestReclaimableKeyFilter.java: ########## @@ -0,0 +1,267 @@ +/* + * 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.snapshot.filter; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertTrue; +import static org.mockito.ArgumentMatchers.eq; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import java.util.Optional; +import java.util.concurrent.atomic.AtomicLong; +import org.apache.hadoop.hdds.utils.db.Table; +import org.apache.hadoop.ozone.om.KeyManager; +import org.apache.hadoop.ozone.om.OmSnapshot; +import org.apache.hadoop.ozone.om.OmSnapshotManager; +import org.apache.hadoop.ozone.om.OzoneManager; +import org.apache.hadoop.ozone.om.SnapshotChainManager; +import org.apache.hadoop.ozone.om.helpers.OmBucketInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.helpers.SnapshotInfo; +import org.apache.hadoop.ozone.om.lock.IOzoneManagerLock; +import org.apache.hadoop.ozone.om.snapshot.ReferenceCounted; +import org.apache.hadoop.ozone.om.snapshot.SnapshotUtils; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.Arguments; +import org.junit.jupiter.params.provider.MethodSource; +import org.rocksdb.RocksDBException; + +/** + * Test class for ReclaimableKeyFilter. + */ +public class TestReclaimableKeyFilter extends AbstractReclaimableFilterTest { + @Override + protected ReclaimableFilter initializeFilter(OzoneManager om, OmSnapshotManager snapshotManager, + SnapshotChainManager chainManager, SnapshotInfo currentSnapshotInfo, + KeyManager km, IOzoneManagerLock lock, + int numberOfPreviousSnapshotsFromChain) { + return new ReclaimableKeyFilter(om, snapshotManager, chainManager, currentSnapshotInfo, km, lock); + } + + List<Arguments> testReclaimableFilterArguments() { + List<Arguments> arguments = new ArrayList<>(); + for (int i = 0; i < 3; i++) { + for (int j = 0; j < 5; j++) { + arguments.add(Arguments.of(i, j)); + } + } + return arguments; + } + + private KeyManager mockOmSnapshot(ReferenceCounted<OmSnapshot> snapshot) { + if (snapshot != null) { + OmSnapshot omSnapshot = snapshot.get(); + KeyManager keyManager = mock(KeyManager.class); + when(omSnapshot.getKeyManager()).thenReturn(keyManager); + return keyManager; + } + return null; + } + + @SuppressWarnings("checkstyle:ParameterNumber") + private void testReclaimableKeyFilter(String volume, String bucket, int index, + OmKeyInfo keyInfo, OmKeyInfo prevKeyInfo, OmKeyInfo prevPrevKeyInfo, + Boolean expectedValue, + Optional<AtomicLong> size, Optional<AtomicLong> replicatedSize) + throws IOException { + List<SnapshotInfo> snapshotInfos = getLastSnapshotInfos(volume, bucket, 2, index); + SnapshotInfo previousToPreviousSapshotInfo = snapshotInfos.get(0); + SnapshotInfo prevSnapshotInfo = snapshotInfos.get(1); + OmBucketInfo bucketInfo = getOzoneManager().getBucketInfo(volume, bucket); + long volumeId = getOzoneManager().getMetadataManager().getVolumeId(volume); + + ReferenceCounted<OmSnapshot> prevSnap = Optional.ofNullable(prevSnapshotInfo) + .map(info -> { + try { + return getOmSnapshotManager().getActiveSnapshot(volume, bucket, info.getName()); + } catch (IOException e) { + throw new RuntimeException(e); + } + }).orElse(null); + ReferenceCounted<OmSnapshot> prevToPrevSnap = Optional.ofNullable(previousToPreviousSapshotInfo) + .map(info -> { + try { + return getOmSnapshotManager().getActiveSnapshot(volume, bucket, info.getName()); + } catch (IOException e) { + throw new RuntimeException(e); + } + }).orElse(null); + + KeyManager keyManager = getKeyManager(); + KeyManager prevKeyManager = mockOmSnapshot(prevSnap); + KeyManager prevToPrevKeyManager = mockOmSnapshot(prevToPrevSnap); + if (prevKeyManager != null) { + when(keyManager.getPreviousSnapshotOzoneKeyInfo(eq(volumeId), + eq(bucketInfo), eq(keyInfo))) + .thenReturn((km) -> prevKeyInfo); + } + if (prevKeyInfo != null && prevKeyManager != null && prevToPrevKeyManager != null) { + when(prevKeyManager.getPreviousSnapshotOzoneKeyInfo(eq(volumeId), + eq(bucketInfo), eq(prevKeyInfo))).thenReturn((km) -> prevPrevKeyInfo); + } + when(keyInfo.getVolumeName()).thenReturn(volume); + when(keyInfo.getBucketName()).thenReturn(bucket); + assertEquals(expectedValue, getReclaimableFilter().apply(Table.newKeyValue("key", keyInfo))); + ReclaimableKeyFilter keyFilter = (ReclaimableKeyFilter) getReclaimableFilter(); + if (prevSnap != null) { + assertEquals(size.map(AtomicLong::get).orElse(null), + keyFilter.getExclusiveSizeMap().get(prevSnap.get().getSnapshotID())); + assertEquals(replicatedSize.map(AtomicLong::get).orElse(null), + keyFilter.getExclusiveReplicatedSizeMap().get(prevSnap.get().getSnapshotID())); + } else { + assertTrue(keyFilter.getExclusiveReplicatedSizeMap().isEmpty()); + assertTrue(keyFilter.getExclusiveSizeMap().isEmpty()); + } + + } + + private OmKeyInfo getMockedOmKeyInfo(long objectId, long size, long replicatedSize) { + OmKeyInfo keyInfo = mock(OmKeyInfo.class); + when(keyInfo.getObjectID()).thenReturn(objectId); + when(keyInfo.getDataSize()).thenReturn(size); + when(keyInfo.getReplicatedSize()).thenReturn(replicatedSize); + return keyInfo; + } + + private OmKeyInfo getMockedOmKeyInfo(long objectId) { + return getMockedOmKeyInfo(objectId, 0, 0); + } + + @ParameterizedTest + @MethodSource("testReclaimableFilterArguments") + public void testNonReclaimableKey(int actualNumberOfSnapshots, int index) throws IOException, RocksDBException { + setup(2, actualNumberOfSnapshots, index, 4, 2); + String volume = getVolumes().get(3); + String bucket = getBuckets().get(1); + index = Math.min(index, actualNumberOfSnapshots); + OmKeyInfo keyInfo = getMockedOmKeyInfo(1); + OmKeyInfo prevKeyInfo = index - 1 >= 0 ? getMockedOmKeyInfo(1) : null; + OmKeyInfo prevPrevKeyInfo = index - 2 >= 0 ? getMockedOmKeyInfo(3) : null; + if (prevKeyInfo != null) { + getMockedSnapshotUtils().when(() -> SnapshotUtils.isBlockLocationInfoSame(eq(prevKeyInfo), eq(keyInfo))) + .thenReturn(true); + } + if (prevPrevKeyInfo != null) { + getMockedSnapshotUtils().when(() -> SnapshotUtils.isBlockLocationInfoSame(eq(prevPrevKeyInfo), eq(prevKeyInfo))) + .thenReturn(true); + } + Optional<AtomicLong> size = Optional.ofNullable(prevKeyInfo).map(i -> new AtomicLong()); + testReclaimableKeyFilter(volume, bucket, index, keyInfo, prevKeyInfo, prevPrevKeyInfo, + prevKeyInfo == null, size, size); + } + + @ParameterizedTest + @MethodSource("testReclaimableFilterArguments") + public void testReclaimableKeyWithDifferentObjId(int actualNumberOfSnapshots, int index) + throws IOException, RocksDBException { + setup(2, actualNumberOfSnapshots, index, 4, 2); + String volume = getVolumes().get(3); + String bucket = getBuckets().get(1); + index = Math.min(index, actualNumberOfSnapshots); + OmKeyInfo keyInfo = getMockedOmKeyInfo(1); + OmKeyInfo prevKeyInfo = index - 1 >= 0 ? getMockedOmKeyInfo(2) : null; + OmKeyInfo prevPrevKeyInfo = index - 2 >= 0 ? getMockedOmKeyInfo(3) : null; + if (prevKeyInfo != null) { + getMockedSnapshotUtils().when(() -> SnapshotUtils.isBlockLocationInfoSame(eq(prevKeyInfo), eq(keyInfo))) + .thenReturn(true); + } + testReclaimableKeyFilter(volume, bucket, index, keyInfo, prevKeyInfo, prevPrevKeyInfo, + true, Optional.empty(), Optional.empty()); + } + Review Comment: ```suggestion /** * Tests the filter behavior when block location information differs between snapshots. * * @param actualNumberOfSnapshots the total number of snapshots in the chain. * @param index the snapshot chain index used for testing. * @throws IOException if an I/O error occurs during the test. * @throws RocksDBException if RocksDB encounters an error. */ ``` -- This is an automated message from the Apache Git Service. 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