| /* |
| * |
| * 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.bookkeeper.statelib.impl.kv; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import java.io.File; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.bookkeeper.statelib.impl.rocksdb.checkpoint.CheckpointInfo; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| import org.junit.rules.TestName; |
| |
| |
| |
| |
| /** |
| * Test cases for Rocksdb KV Store with checkpoints. |
| */ |
| @Slf4j |
| public class TestRocksdbKVStoreCheckpoint { |
| |
| @Rule |
| public final TestName runtime = new TestName(); |
| @Rule |
| public final TemporaryFolder testDir = new TemporaryFolder(); |
| |
| private TestStateStore store; |
| |
| @Before |
| public void setUp() throws Exception { |
| store = new TestStateStore(runtime, testDir); |
| store.enableCheckpoints(true); |
| store.init(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| if (null != store) { |
| store.close(); |
| } |
| } |
| |
| @Test |
| public void testRestoreCorruptCheckpoint() throws Exception { |
| int numKvs = 100; |
| |
| store.addNumKVs("transaction-1", numKvs, 0); |
| String checkpoint1 = store.checkpoint("checkpoint-1"); |
| assertEquals("transaction-1", store.get("transaction-id")); |
| |
| store.addNumKVs("transaction-2", numKvs, 100); |
| assertEquals("transaction-2", store.get("transaction-id")); |
| String checkpoint2 = store.checkpoint("checkpoint-2"); |
| |
| store.addNumKVs("transaction-3", numKvs, 200); |
| assertEquals("transaction-3", store.get("transaction-id")); |
| |
| store.destroyLocal(); |
| store.restore(); |
| assertEquals("transaction-2", store.get("transaction-id")); |
| |
| // Ensure we can write to new store |
| store.addNumKVs("transaction-4", numKvs, 300); |
| assertEquals("transaction-4", store.get("transaction-id")); |
| |
| // corrupt the checkpoint-2 so restore fails |
| |
| CheckpointInfo cpi = store.getLatestCheckpoint(); |
| store.corruptCheckpoint(cpi); |
| store.destroyLocal(); |
| |
| // latest checkpoint is checkpoint-2, which has been corrupted. |
| store.restore(); |
| // We should fallback to checkpoint-1 |
| assertEquals("transaction-1", store.get("transaction-id")); |
| } |
| |
| @Test |
| public void testLocalStoreCleanup() throws Exception { |
| File checkpointDir = new File(store.getLocalDir(), "checkpoints"); |
| |
| store.setRemoveLocal(true); |
| store.setRemoveRemote(true); |
| store.setLocalStorageCleanup(true); |
| |
| String[] checkpoints = checkpointDir.list(); |
| // Initially there is only one checkpoint directory that is used by the statestore |
| assertEquals(1, checkpoints.length); |
| |
| store.restore(); |
| |
| checkpoints = checkpointDir.list(); |
| // We should only have one checkpoint in the local directory. |
| assertEquals(1, checkpoints.length); |
| |
| int numKvs = 100; |
| for (int i = 0; i < 3; i++) { |
| String txid = "txid-" + i; |
| store.addNumKVs(txid, numKvs, i * numKvs); |
| String checkpoint1 = store.checkpoint("checkpoint-1"); |
| |
| checkpoints = checkpointDir.list(); |
| // Ensure the checkpoints are cleaned up |
| assertEquals(1, checkpoints.length); |
| |
| store.restore(); |
| assertEquals(txid, store.get("transaction-id")); |
| |
| checkpoints = checkpointDir.list(); |
| // We should only have one checkpoint in the local directory. |
| assertEquals(1, checkpoints.length); |
| } |
| |
| store.close(); |
| |
| checkpoints = checkpointDir.list(); |
| // We should not have any checkpoints af the store is closed. |
| assertNull(checkpoints); |
| } |
| } |