Tejaskriya commented on code in PR #8815: URL: https://github.com/apache/ozone/pull/8815#discussion_r2213778560
########## hadoop-ozone/tools/src/test/java/org/apache/hadoop/ozone/repair/ldb/TestLdbRepair.java: ########## @@ -0,0 +1,153 @@ +/* + * 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.repair.ldb; + +import static org.apache.ozone.test.IntLambda.withTextFromSystemIn; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertTrue; + +import java.io.IOException; +import java.nio.charset.StandardCharsets; +import java.nio.file.Files; +import java.nio.file.Path; +import java.util.stream.Stream; +import org.apache.commons.lang3.RandomStringUtils; +import org.apache.hadoop.hdds.conf.OzoneConfiguration; +import org.apache.hadoop.hdds.utils.db.CodecBuffer; +import org.apache.hadoop.hdds.utils.db.DBStoreBuilder; +import org.apache.hadoop.hdds.utils.db.RDBStore; +import org.apache.hadoop.hdds.utils.db.Table; +import org.apache.hadoop.hdds.utils.db.managed.ManagedDBOptions; +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; +import picocli.CommandLine; + +/** + * Tests for RocksDB LDB repair tools. + */ +public class TestLdbRepair { + + private static final String TEST_CF_NAME = "testColumnFamily"; + private static final int NUM_KEYS = 100; + + @TempDir + private Path tempDir; + private Path dbPath; + private RDBStore rdbStore; + private ManagedDBOptions options; + + @BeforeEach + public void setUp() throws Exception { + CodecBuffer.enableLeakDetection(); + + dbPath = tempDir.resolve("test.db"); + options = new ManagedDBOptions(); + options.setCreateIfMissing(true) + .setCreateMissingColumnFamilies(true); + rdbStore = DBStoreBuilder.newBuilder(new OzoneConfiguration()) + .setName(dbPath.toFile().getName()) + .setPath(dbPath.getParent()) + .addTable(TEST_CF_NAME) + .build(); + } + + @AfterEach + public void tearDown() throws Exception { + if (rdbStore != null && !rdbStore.isClosed()) { + rdbStore.close(); + } + if (options != null) { + options.close(); + } + CodecBuffer.assertNoLeaks(); + } + + /** + * Test manual compaction of RocksDB. + * This test creates a large number of keys, deletes them, and then triggers compaction. + * The sizes after each step is compared to ensure that compaction reduces the size of the database. + */ + @Test + public void testRocksDBManualCompaction() throws Exception { + Table<byte[], byte[]> testTable = rdbStore.getTable(TEST_CF_NAME); + + // Create many keys + for (int i = 0; i < NUM_KEYS; i++) { + String key = "key" + i; + String value = RandomStringUtils.secure().nextAlphanumeric(100); + testTable.put(key.getBytes(StandardCharsets.UTF_8), value.getBytes(StandardCharsets.UTF_8)); + } + rdbStore.flushDB(); + long size1 = calculateSstFileSize(dbPath); Review Comment: With your suggestion, this is removed. -- 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...@ozone.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@ozone.apache.org For additional commands, e-mail: issues-h...@ozone.apache.org
